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2 conductors it is necessary to have a global order for every conductor. +This order is set by the winding_number which is given to the Conductor on creation. +This results in multiple lists containg the same conductor objects (called windings) in different objects: + +1. Every virtual winding window contains a list of conductors. This list either contains one conductor (single winding) or two conductors (interleaved winding). When setting the interleaved winding the order of conductors is given by the order of the parameters. First given winding -> winding[0], second given winding -> winding[1]. +2. The magnetic component contains a list of conductors too. This list contains every unique conductor from every virtual winding window. The order of the windings list in magnetic component is given by the winding_number (sorted in ascending order). This means that the conductor with the lowest winding_number is at position 0 of the winding list: windings[0]. + +Example: + +2 conductors are created: Conductor0(winding_index=0) and Conductor1(winding_index=1). Additionaly 2 virtual winding windows are created. +The first virtual winding window only contains Conductor0, the second virtual winding window contains both conductors. +The following winding lists are created: + +- VirtualWindingWindow0: windings = [Conductor0] +- VirtualWindingWindow1: windings = [Conductor0, Conductor1] +- MagneticComponent: windings = [Conductor0, Conductor1] + +If Conductor1 has a lower winding_index than Conductor0 only the list in magnetic component would change since it does not change +the parameter order for setInterleavedWinding() in VirtualWindingWindow1: + +- MagneticComponent: windings = [Conductor1, Conductor0] + +The order of the conductors in the magnetic component windings list is very important for the simulation. +When creating the model and running the simulation the order of the conductors in MagneticComponent.windings is used to determine +if the conductor is the primary, secondary (, tertiary, ...) winding. + +In the TwoDaxiSymmetric class points for every conductor are created. Those points are stored in a list called p_conductor. +p_conductor[0] is a list containing the points for every turn of the conductor with the lowest winding_index (primary winding). +p_conductors[1] is a list containing the points for every turn of the conductor with the second lowest winding_index (secondary winding). + +Currently the magnetic solver only supports primary and secondary windings, therefore it is useless to create more conductors. +However the implemented structure is capable of working with n windings. \ No newline at end of file diff --git a/main/0.4.0/_sources/index.rst.txt b/main/0.4.0/_sources/index.rst.txt new file mode 100644 index 00000000..d5bafd71 --- /dev/null +++ b/main/0.4.0/_sources/index.rst.txt @@ -0,0 +1,15 @@ +Welcome to FEM Magnetics Toolbox's documentation! +""""""""""""""""""""""""""""""""""""""""""""""""""""" + +.. toctree:: + :maxdepth: 6 + :caption: Table of Contents: + + intro + + +Indices and tables +""""""""""""""""""""""""""""""""""""""""""""""""""""" + +* :ref:`genindex` + diff --git a/main/0.4.0/_sources/intro.rst.txt b/main/0.4.0/_sources/intro.rst.txt new file mode 100644 index 00000000..e52134bb --- /dev/null +++ b/main/0.4.0/_sources/intro.rst.txt @@ -0,0 +1,88 @@ +.. sectnum:: + + +.. include:: introduction.rst + +.. _user_guide_model_creation: + +.. include:: user_guide_model_creation.rst + +.. _winding_types: + +.. include:: winding_types.rst + +FEMMT class and function documentation +======================================= +The ``MagneticComponent`` class +--------------------------------------- +.. currentmodule:: femmt.MagneticComponent + +.. autoclass:: MagneticComponent + :members: set_core, set_air_gaps, set_insulation, set_stray_path, set_winding_window, create_model, single_simulation, excitation_sweep, mesh, thermal_simulation, femm_reference, femm_thermal_validation + :special-members: __init__ + +The ``Core`` class +-------------------------------------- +.. autoclass:: femmt.Model.Core + :special-members: __init__ + +The ``AirGaps`` class +-------------------------------------- +.. autoclass:: femmt.Model.AirGaps + :members: add_air_gap + :special-members: __init__ + +The ``Insulation`` class +-------------------------------------- +.. autoclass:: femmt.Model.Insulation + :members: add_winding_insulations, add_core_insulations + :special-members: __init__ + +The ``Conductor`` class +-------------------------------------- +.. autoclass:: femmt.Model.Conductor + :members: set_rectangular_conductor, set_solid_round_conductor, set_litz_round_conductor + :special-members: __init__ + +The ``WindingWindow`` class +-------------------------------------- +.. autoclass:: femmt.Model.WindingWindow + :members: split_window, combine_vww + :special-members: __init__ + +The ``VirtualWindingWindow`` class +-------------------------------------- +.. autoclass:: femmt.Model.VirtualWindingWindow + :members: set_winding, set_interleaved_winding + :special-members: __init__ + +The ``LogParser`` class +----------------------------------- +.. autoclass:: femmt.FEMMTLogParser + :members: plot_frequency_sweep_losses, plot_frequency_sweep_winding_params + :special-members: __init__ + +.. autoclass:: femmt.FileData + :members: + :undoc-members: + +.. autoclass:: femmt.SweepData + :members: + :undoc-members: + +.. autoclass:: femmt.WindingData + :members: + :undoc-members: + +``Enumerations`` +--------------------------------- +.. automodule:: femmt.Enumerations + :members: + :undoc-members: + +Helper functions +--------------------------------- +.. automodule:: femmt.Functions + :members: core_database, litz_database, wire_material_database + +.. include:: developer_notes.rst \ No newline at end of file diff --git a/main/0.4.0/_sources/introduction.rst.txt b/main/0.4.0/_sources/introduction.rst.txt new file mode 100644 index 00000000..3a0ea3b1 --- /dev/null +++ b/main/0.4.0/_sources/introduction.rst.txt @@ -0,0 +1,136 @@ +FEM Magnetics Toolbox (FEMMT) +============================= + +Python toolbox to generate preconfigured figures for FEM simulation +tools in power electronics. + +The toolbox contains two parts, a reluctance module and a FEM module. + +* The reluctance module is for pre-calculations +* The FEM module is for detailed calculations + +Installation +--------------- + +To run FEMMT, python (version 3.8 or above) and onelab is needed. + +ONELAB installation +~~~~~~~~~~~~~~~~~~~~~~~ + +- Go to https://onelab.info/ +- Download the Desktop Version for your OS (Windows, Linux or macOS) +- Unpack the software and remember the file path. This will be needed + later when installing FEMMT. + +Install FEMMT +~~~~~~~~~~~~~~~~~ + +FEMMT can be installed using the python pip package manager. +Either a release version can be installed using pip or a developement version by downloading this repository. + +FEMMT release version (recommended) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +This installs the stable release version. + +:: + + pip install femmt + +FEMMT development version (for developers only) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +This is the latest development version with the latest features. Note: +You may need to install `git `__. +Also have a look at the `developers notes `__. + + +:: + + cd /Documents/Folder/of/Interest/FEMMT + git clone git@github.com:upb-lea/FEM_Magnetics_Toolbox.git + pip install -e . + +FEMMT is using the material database. To use the latest version for developing, also install the material database in developer mode. + +:: + + cd /Documents/Folder/of/Interest/materialdatabase + git clone git@github.com:upb-lea/materialdatabase.git + pip install -e . + + + +Examples +----------- + +This toolbox is able to build a complete FEM simulation from simple +Python code. The following figure shows the Python code on the left and +the corresponding FEM simulation on the right. |image_femmt_screenshot| + +Code examples can be found in this `example file `__. This file is updated +regulary. + +Basics +~~~~~~~~~~ + +The magnetic component can be an inductor, a transformer, or a +transformer with integrated stray path. The parameterization process is +divided into the following steps: + +1. Chose simulation type, +2. set core parameters (geometry, material), +3. set air gap parameters (position, height), +4. set conductor parameters (litz/solid wire), +5. start simulation with given frequencies and currents and phases. + +Please have a look at the `basic_example `__. + +The examples contain among other things: + +* Geometries: Coil, transformer, transformer with integrated stray path, +* wire and stranded wire definition, +* air gaps definition, +* excitation with different frequencies, amplitudes and phases. + +The simulation results can be found in `working_directory/results/result_log_electro_magnetic.json`. Working directory can either be set by the user otherwise it located at `/python-side-packages-path/femmt`. +In it you can find + +* power loss in the core: hysteresis losses and eddy current losses, +* losses per winding and for each individual winding, +* self- and mutual inductances. + +For a more detailed guide on how to create a model, plase have a look :ref:`here `. + +Counting arrow system +~~~~~~~~~~~~~~~~~~~~~~~~~ + +Defined as depicted here: + +|image_counting_arrow_system| + +GUI (Experimental) +------------------- + +There is a first preview for a GUI. Installing this is a bit cumbersome +at first, but will be simplified in the future: + +* Download the complete repository via ``Code`` -> ``Download ZIP`` and unpack it. +* install the development version of femmt as described above +* run python ``downloads/path-to_femmt/femmt/gui/femmt_gui.py`` + +Please note, the GUI is experimental. + +|image_gui_definition| + +FEMM Validation (for developers only) +-------------------------------------- + +For verification purposes a FEMM model can be created in FEMMT. To do this +FEMM needs to be installed as well as the FEMM python package. +The functionality is limited, e.g. the air gaps are limited to the 'center'-type. Other types, like 'percent' are not implemented. + + +.. |image_femmt_screenshot| image:: ../images/FEMMT_Screenshot.png +.. |image_counting_arrow_system| image:: ../images/counting_arrow_system.png +.. |image_gui_definition| image:: ../images/femmt_gui_definition.png diff --git a/main/0.4.0/_sources/user_guide_model_creation.rst.txt b/main/0.4.0/_sources/user_guide_model_creation.rst.txt new file mode 100644 index 00000000..701b6695 --- /dev/null +++ b/main/0.4.0/_sources/user_guide_model_creation.rst.txt @@ -0,0 +1,455 @@ +User Guide: How to create a FEMMT model +======================================= + +This guide explains how a model can be created in femmt and provides all +the necessary information to work with femmt. Many examples for femmt +models can be found in the example folder. + +Working directory +-------------------- + +Every femmt model has a working directory which can be set when creating +an instance of the femmt base class called 'MagneticComponent'. When +running the simulation many files will be created in the working +directory including the model, mesh and multiple result files. It also +contains the electro_magnetic_log.json which the most important +simulation results (e.g. losses, inductance, ...). + +Besides the working directory a MagneticComponent also needs a +ComponentType. Currently this can be 'Inductor', 'Transformer' or +'IntegratedTransformer'. + +This results to the following code: + +.. code:: python + + import femmt as fmt + + geo = fmt.MagneticComponent(component_type=fmt.ComponentType.Inductor, working_directory=working_directory, silent=False) + +Note about the silent-flag. In case of False, all outputs are printed in the terminal. In case of True, no command line outputs are shown. This simple feature significantly speeds up simulation time, especially for many automated simulations. + + +Creating a core +------------------ + +In general, only 2D rotationally symmetric geometries are represented in +FEMMT. Other core shapes must first be converted to a 2D rotationally +symmetric shape. The corresponding values for this (diameter core, +dimensions of the winding window) are taken from the data sheet. +Afterwards, a corresponding geometry is generated automatically. + +The following graphics always show only a sectional view of the core +geometry. + +.. image:: ../images/geometry_translated.png + :width: 800 + +After creating a MagneticComponent a core needs to be created. The core +needs spatial parameters as well as material parameters. The neccessary +spatial parameters are shown in the image below. + +.. image:: ../images/geometry_core.png + :width: 800 + +Core spatial parameters can be entered manually but FEMMT provides a +database of different practical cores. This database can be accessed +using: + +.. code:: python + + core_db = fmt.core-database()["PQ 40/40"] + +Now the core object can be created and added to the model (geo object) + +.. code:: python + + core = fmt.Core(core_inner_diameter=core_db["core_inner_diameter"], window_w=core_db["window_w"], window_h=core_db["window_h"], material="N95", temperature=25, frequency=100000, datasource="manufacturer_datasheet") + core.set_core(core) + +Material database +~~~~~~~~~~~~~~~~~ + +The `material database `_ was already introduced in the upper code example with the `material=` parameter. The temperature as well as the frequency are necessary to pick the corresponding data from the datasheet. + + +Adding air gaps to the core +------------------------------ + +In the next steps air gaps can be added. Currently it is only possible +to add air gaps in the center leg, there for the 'AirGapLegPosition' is +always 'CenterLeg'. To set the vertical position for a air gap multiple +methods are available: + +- **Center**: The air gap will always be positioned in the center +- **Percent**: A value between 0 and 100 can be given. Where 0 + represents the bottom end and 100 the top end of the winding window. +- **Manually**: The specific y coordinate nneeds to be entered + manually. + +.. image:: ../images/geometry_air_gap.png + :width: 800 + +Have a look at the following example on how to create an air gap object +and add it to the model: + +.. code:: python + + air_gaps = fmt.AirGaps(method=fmt.AirGapMethod.Percent, core=core) + air_gaps.add_air_gap(leg_position=fmt.AirGapLegPosition.CenterLeg, height=0.0005, position_value=50) + geo.set_air_gaps(air_gaps) + +Adding an air_gap object is not necessary. If no air gap is needed, +don't add the air gap object to the model. + +Set insulation distances +--------------------------- + +There are multiple insulations implemented in femmt. Some of them are +created as rectangles in the model, some are just adding an offset to +the windings. + +Core insulations are the insulations which are created as rectangles in +the model. 4 core insulations will be added: top, left, bottom, right. +The distance of those values can be set with the 'add_core_insulations' +function. + +Furthermore there are offset insulations between each turn in the same +winding, a distance between 2 windings in one virtual winding window and +a distance between each virtual winding window. The first two are set +using the 'add_winding_insulations' functions, the last one when +creating such a virtual winding window (vww). + +The function 'add_winding_insulations' therefore needs multiple +parameters: + +- The first parameter is a list called **inner_windings**, where the + list index corresponds to the number of the winding (0: Primary, 1: + Secondary, ...). +- The second parameter is the distance between two virtual winding + windows, this is called **virtual_winding_window_insulation**. + +.. image:: ../images/geometry_insulation.png + :width: 800 + +This is how to create an insulation object and add certain insulations: + +.. code:: python + + insulation = fmt.Insulation() + insulation.add_core_insulation(0.001, 0.001, 0.004, 0.001) + insulation.add_winding_insulation([0.0005], 0.0001) + geo.set_insulation(insulation) + +The spatial parameters for the insulation, as well as for every other +function in FEMMT, are always in SI-Units, in this case metres. + +Add windings to the winding window +------------------------------------- + +In order to understand the way winding windows work in femmt, the +concept of virtual winding windows must be explained: + +Virtual Winding Windows +~~~~~~~~~~~~~~~~~~~~~~~ + +For every femmt model there is always one winding window, which is a 2D +representation of the 3D rotated winding window. This winding window can +be split into multiple virtual winding windows which are used to draw +the conductors. There are multiple ways to split a winding window: + +- **NoSplit**: Only 1 virtual winding window will be returned and it + has the same size as the real winding window. +- **HorizontalSplit**: 2 virtual winding windows will be returned, one + for the top and one for the bottom part. The height of the splitting + line can be set using a horizontal_split_factor (value between 0 and + 1) +- **VerticalSplit**: 2 virtual winding windows will be returned, one + for the left and one for the right part. The radius (x-coordinate) of + the splitting line can be set using a vertical_split_factor (value + between 0 and 1) +- **HorizontalAndVerticalSplit**: 4 virtual winding windows are + returned. One for each corner (in the following order): top_left, + top_right, bottom_left, bottom_right. In this case the horizontal and + vertical split factors can be used to set the sizes of each grid + cell. + +.. image:: ../images/geometry_winding_windows.png + :width: 800 + +In addition to that 2 virtual winding windows can be combined to one +(this is not possible for (top_left, bottom_right) or (top_right, +bottom_left) combinations). This is done using the combine_vww() +function of the WindingWindow class. + +Each virtual winding window can be filled with either one single winding +or one interleaved winding. + +A winding window with only one virtual winding window can be craeted +like this: + +.. code:: python + + winding_window = fmt.WindingWindow(core, insulation) + vww = winding_window.split_window(fmt.WindingWindowSplit.NoSplit) + +Winding types and winding schemes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The following table gives an overview of the different winding types, +winding schemes and conductor arrangements: + ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| **WindingType** | **ConductorType** | **WindingScheme** | **ConductorArrangement** | **WrapParaType** | **status** | **description** | ++==================+========================+===========================+===========================+===================+==================+====================================================================================+ +| Interleaved | | | | | | Always needs 2 conductors | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | RoundSolid, RoundLitz | | | | | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | Bifilar | | | not implemented | TODO | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | VerticalAlternating | | | not implemented | primary and secondary winding are interleaved vertically (rows) | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | HorizontalAlternating | | | implemented | primary and secondary winding are interleaved horizontally (cols) | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | VerticalStacked | | | implemented | primary winding is drawn bottom to top, seoncdary winmding is drawn top to bottom | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | | Square | | " | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | | Hexagonal | | " | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | RectangularSolid | | | | not implemented | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| Single | | | | | | Always needs 1 conductor | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | RoundSolid, RoundLitz | | | | | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | None | | | implemented | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | | Square | | " | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | | Square full width | | " | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | | Hexagonal | | " | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | RectangularSolid | | | | | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | Full | | | implemented | whole virtual winding window contains is filled with one turn | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | FoilHorizontal (stacked) | | | implemented | foils are very long (x-axis) and drawn along y-axis | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | Square full width | | | not implemented | foils are drawn along x-axis first and then along y-axis | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | FoilVertical | | | implemented | foils are very tall (y-axis) and drawn along x-axis | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | | | Fixed Thickness | " | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ +| | | | | Interpolate | " | | ++------------------+------------------------+---------------------------+---------------------------+-------------------+------------------+------------------------------------------------------------------------------------+ + +ConductorArrangement +^^^^^^^^^^^^^^^^^^^^ + +- **Square**: conductors are set in next to each other in a grid +- **Hexagonal**: similar to square but in this case the conductors + frpmo the next column slips in the free space between two conductors + from the first column +- **Square full width**: conducors are first drawn along x-axis and + then y-axis + +WrapParaType +^^^^^^^^^^^^ + +- **Fixed thickness**: TODO +- **Interpolate**: TODO + +Images for the possible winding types can be found :ref:`here `. + + +Add conductors +----------------- + +When creating an instance of the class Conductor a winding number and a +conductivity needs to be given: + +The winding number represents the index of the winding (e.g. primary->1, +secondary->2, tertiary->3). As an example: When starting a simulation on +a transformer a current needs to be given, this is done in a list. The +first index of the current's list will be set to the winding with the +lowest winding number, the second index of the list to the winding with +the second lowest winding number and so on. + +The conductivity can be set using the Conductivity enum where one of two +possible materials need to be selected: + +- **Copper** +- **Aluminium** + +After creating an conductor object it is necessary to add a conductor to +it. As already shown in the winding types table 3 different conducors +can be set: + +- **RoundSolid** +- **RoundLitz** +- **RectangularSolid** + +To create a conductor have a look at the following code example: + +.. code:: python + + winding1 = fmt.Conductor(winding_number=0, conductivity=fmt.Conductivity.Copper) + winding1.set_solid_round_conductor(conductor_radius=0.0011, conductor_arrangement=fmt.ConductorArrangement.Square) + +Add conductors to virtual winding windows +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Now the conductors need to be added to the virtual winding windows with +the corresponding winding type and winding scheme. In this case the +set_winding() or set_interleaved_winding() function needs to be called. +In the set_interleaved_winding() function an insulation distance can +also be set. This value represents the distance between conductors from +the primary and secondary side. + +.. code:: python + + vww.set_winding(conductor=winding1, turns=9, winding_scheme=None) + +If you have a look at the winding types and windng schemes table a +winding scheme is not needed when creating a round solid conductor in +single winding. Therefore the value is set to None. + +Now before simulating the winding window needs to be added to the model +as well: + +.. code:: python + + geo.set_winding_window(winding_window=winding_window) + +Create model and start simulation +------------------------------------ + +After every needed component is added to the model the model can be +created. This is done using the create_model() function. The frequency +is needed there because of the mesh which is adapted according to the +skin depth. In addition to that a boolean can be given to show the model +after creation (in gmsh). + +The last step is to run a simulation using single_simulation(), which +needs the frequency, currents (and phase if transformer is set) as +parameters. + +.. code:: python + + geo.create_model(freq=100000, visualize_before=True, save_png=False) + geo.single_simulation(freq=100000, current=[4.5], show_results=True) + +The results should look like this: + +[Optional] Create thermal simulation +--------------------------------------- + +After running the electromagnetic simulation it is possible to use the +simulation results and the created model and start a thermal simulation. +The thermal simulation will add a case surrounding the previous created +model. At the edge of this case the boundary condition is applied and +the thermal conductivity as well as the dimensions of the case can be +choosen freely. This case is split into 5 parts: top, top right, right, +bot right, bot. For each region a different thermal conductivity and +boundary condition can be set. In order to run thermal a thermal +simulation different values are needed: + +- thermal conductivity dict: A dictionary containing thermal + conductivities for each region. The regions are: air, core, winding, + air_gaps, insulation, case (which is split in top, top_right, right, + bot_right, bot +- case gap values: Set the size of the surrounding case +- boundary temperatures dict: The temperatures which will be applied at + the edge of the case (dirichlet boundary condition) +- boundary flags: By disabling a specific boundary its condition can be + set to a neumann boundary condition ignoring the temperature + parameter + +.. image:: ../images/geometry_thermal.png + :width: 800 + +Have a look at this example on how to set the parameters since the +dictionary keywords are important to write correctly: + +.. code:: python + + thermal_conductivity_dict = { + "air": 0.0263, + "case": { + "top": 0.122, + "top_right": 0.122, + "right": 0.122, + "bot_right": 0.122, + "bot": 0.122 + }, + "core": 5, + "winding": 400, + "air_gaps": 180, + "insulation": 0.42 + } + + case_gap_top = 0.002 + case_gap_right = 0.0025 + case_gap_bot = 0.002 + + boundary_temperatures = { + "value_boundary_top": 20, + "value_boundary_top_right": 20, + "value_boundary_right_top": 20, + "value_boundary_right": 20, + "value_boundary_right_bottom": 20, + "value_boundary_bottom_right": 20, + "value_boundary_bottom": 20 + } + + boundary_flags = { + "flag_boundary_top": 0, + "flag_boundary_top_right": 0, + "flag_boundary_right_top": 1, + "flag_boundary_right": 1, + "flag_boundary_right_bottom": 1, + "flag_boundary_bottom_right": 1, + "flag_boundary_bottom": 1 + } + +In the boundary_flags dictionary 2 flags are set to 0 which means there +will be a neumann boundary applied. Please have a look at the picture +above which shows the current selected boundaries. + +In the following table a possible set of thermal conductivities can be +found: + ++-----------------------------+--------------------------+ +| **Material** | **Thermal conductivity** | ++-----------------------------+--------------------------+ +| air (background) | 0.0263 | ++-----------------------------+--------------------------+ +| epoxy resign (used in case) | 1.54 | ++-----------------------------+--------------------------+ +| ferrite (core) | 5 | ++-----------------------------+--------------------------+ +| copper (winding) | 400 | ++-----------------------------+--------------------------+ +| aluminiumnitride (air gaps) | 180 | ++-----------------------------+--------------------------+ +| polyethylen (insulation) | 0.42 | ++-----------------------------+--------------------------+ + +The thermal simulation will solve the stationary heat equation and since +no convection is considered every material is assumed to be solid. Now +the simulation can be run: + +.. code:: python + + geo.thermal_simulation(thermal_conductivity_dict, boundary_temperatures, boundary_flags, case_gap_top, case_gap_right, case_gap_bot, True, True) + +The following image shows the simulation results: + +.. image:: ../images/user_guide_example_thermal_simulation.png + :width: 350 + + diff --git a/main/0.4.0/_sources/winding_types.rst.txt b/main/0.4.0/_sources/winding_types.rst.txt new file mode 100644 index 00000000..ad6ca6b6 --- /dev/null +++ b/main/0.4.0/_sources/winding_types.rst.txt @@ -0,0 +1,41 @@ +Winding types +======================================= + ++---------------------------------------------+---------------------------------------+-------------------------------------------+ +| **Single_Square** | **Single Hexagonal** | **Single Full** | ++---------------------------------------------+---------------------------------------+-------------------------------------------+ +| |image0| | |image1| | |image2| | ++---------------------------------------------+---------------------------------------+-------------------------------------------+ +| **Single_SquareFullWidth** | **Single FoilHorizontal** | **Single FoilVertical (fixed thickness)** | ++---------------------------------------------+---------------------------------------+-------------------------------------------+ +| |image3| | |image4| | |image5| | ++---------------------------------------------+---------------------------------------+-------------------------------------------+ +| **Single FoilVertical (interpolate)** | **Interleaved HorizontalAlternating** | **Interleaved VerticalStacked (square)** | ++---------------------------------------------+---------------------------------------+-------------------------------------------+ +| |image6| | |image7| | |image8| | ++---------------------------------------------+---------------------------------------+-------------------------------------------+ +| **Interleaved VerticalStacked (hexagonal)** | | | ++---------------------------------------------+---------------------------------------+-------------------------------------------+ +| |image9| | | | ++---------------------------------------------+---------------------------------------+-------------------------------------------+ + +.. |image0| image:: ../images/winding_types/Single_Square.png + :width: 250 +.. |image1| image:: ../images/winding_types/Single_Hexagonal.png + :width: 250 +.. |image2| image:: ../images/winding_types/Single_Full.png + :width: 250 +.. |image3| image:: ../images/winding_types/Single_SquareFullWidth.png + :width: 250 +.. |image4| image:: ../images/winding_types/Single_FoilHorizontal.png + :width: 250 +.. |image5| image:: ../images/winding_types/Single_FoilVertical_fixed_thickness.png + :width: 250 +.. |image6| image:: ../images/winding_types/Single_FoilVertical_interpolate.png + :width: 250 +.. |image7| image:: ../images/winding_types/Interleaved_HorizontalAlternating.png + :width: 250 +.. |image8| image:: ../images/winding_types/Interleaved_VerticalStacked_square.png + :width: 250 +.. |image9| image:: ../images/winding_types/Interleaved_VerticalStacked_hexagonal.png + :width: 250 \ No newline at end of file diff --git a/main/0.4.0/_static/_sphinx_javascript_frameworks_compat.js b/main/0.4.0/_static/_sphinx_javascript_frameworks_compat.js new file mode 100644 index 00000000..81415803 --- /dev/null +++ b/main/0.4.0/_static/_sphinx_javascript_frameworks_compat.js @@ -0,0 +1,123 @@ +/* Compatability shim for jQuery and underscores.js. + * + * Copyright Sphinx contributors + * Released under the two clause BSD licence + */ + +/** + * small helper function to urldecode strings + * + * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent#Decoding_query_parameters_from_a_URL + */ +jQuery.urldecode = function(x) { + if (!x) { + return x + } + return decodeURIComponent(x.replace(/\+/g, ' ')); +}; + +/** + * small helper function to urlencode strings + */ +jQuery.urlencode = encodeURIComponent; + +/** + * This function returns the parsed url parameters of the + * current request. 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font-weight: bold } /* Literal.String.Escape */ +.highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */ +.highlight .si { color: #A45A77; font-weight: bold } /* Literal.String.Interpol */ +.highlight .sx { color: #008000 } /* Literal.String.Other */ +.highlight .sr { color: #A45A77 } /* Literal.String.Regex */ +.highlight .s1 { color: #BA2121 } /* Literal.String.Single */ +.highlight .ss { color: #19177C } /* Literal.String.Symbol */ +.highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */ +.highlight .fm { color: #0000FF } /* Name.Function.Magic */ +.highlight .vc { color: #19177C } /* Name.Variable.Class */ +.highlight .vg { color: #19177C } /* Name.Variable.Global */ +.highlight .vi { color: #19177C } /* Name.Variable.Instance */ +.highlight .vm { color: #19177C } /* Name.Variable.Magic */ +.highlight .il { color: #666666 } /* Literal.Number.Integer.Long */ \ No newline at end of file diff --git a/main/0.4.0/_static/searchtools.js b/main/0.4.0/_static/searchtools.js new file mode 100644 index 00000000..7918c3fa --- /dev/null +++ b/main/0.4.0/_static/searchtools.js @@ -0,0 +1,574 @@ +/* + * searchtools.js + * ~~~~~~~~~~~~~~~~ + * + * Sphinx JavaScript utilities for the full-text search. + * + * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. + * :license: BSD, see LICENSE for details. + * + */ +"use strict"; + +/** + * Simple result scoring code. + */ +if (typeof Scorer === "undefined") { + var Scorer = { + // Implement the following function to further tweak the score for each result + // The function takes a result array [docname, title, anchor, descr, score, filename] + // and returns the new score. + /* + score: result => { + const [docname, title, anchor, descr, score, filename] = result + return score + }, + */ + + // query matches the full name of an object + objNameMatch: 11, + // or matches in the last dotted part of the object name + objPartialMatch: 6, + // Additive scores depending on the priority of the object + objPrio: { + 0: 15, // used to be importantResults + 1: 5, // used to be objectResults + 2: -5, // used to be unimportantResults + }, + // Used when the priority is not in the mapping. + objPrioDefault: 0, + + // query found in title + title: 15, + partialTitle: 7, + // query found in terms + term: 5, + partialTerm: 2, + }; +} + +const _removeChildren = (element) => { + while (element && element.lastChild) element.removeChild(element.lastChild); +}; + +/** + * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#escaping + */ +const _escapeRegExp = (string) => + string.replace(/[.*+\-?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string + +const _displayItem = (item, searchTerms, highlightTerms) => { + const docBuilder = DOCUMENTATION_OPTIONS.BUILDER; + const docFileSuffix = DOCUMENTATION_OPTIONS.FILE_SUFFIX; + const docLinkSuffix = DOCUMENTATION_OPTIONS.LINK_SUFFIX; + const showSearchSummary = DOCUMENTATION_OPTIONS.SHOW_SEARCH_SUMMARY; + const contentRoot = document.documentElement.dataset.content_root; + + const [docName, title, anchor, descr, score, _filename] = item; + + let listItem = document.createElement("li"); + let requestUrl; + let linkUrl; + if (docBuilder === "dirhtml") { + // dirhtml builder + let dirname = docName + "/"; + if (dirname.match(/\/index\/$/)) + dirname = dirname.substring(0, dirname.length - 6); + else if (dirname === "index/") dirname = ""; + requestUrl = contentRoot + dirname; + linkUrl = requestUrl; + } else { + // normal html builders + requestUrl = contentRoot + docName + docFileSuffix; + linkUrl = docName + docLinkSuffix; + } + let linkEl = listItem.appendChild(document.createElement("a")); + linkEl.href = linkUrl + anchor; + linkEl.dataset.score = score; + linkEl.innerHTML = title; + if (descr) { + listItem.appendChild(document.createElement("span")).innerHTML = + " (" + descr + ")"; + // highlight search terms in the description + if (SPHINX_HIGHLIGHT_ENABLED) // set in sphinx_highlight.js + highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted")); + } + else if (showSearchSummary) + fetch(requestUrl) + .then((responseData) => responseData.text()) + .then((data) => { + if (data) + listItem.appendChild( + Search.makeSearchSummary(data, searchTerms) + ); + // highlight search terms in the summary + if (SPHINX_HIGHLIGHT_ENABLED) // set in sphinx_highlight.js + highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted")); + }); + Search.output.appendChild(listItem); +}; +const _finishSearch = (resultCount) => { + Search.stopPulse(); + Search.title.innerText = _("Search Results"); + if (!resultCount) + Search.status.innerText = Documentation.gettext( + "Your search did not match any documents. Please make sure that all words are spelled correctly and that you've selected enough categories." + ); + else + Search.status.innerText = _( + `Search finished, found ${resultCount} page(s) matching the search query.` + ); +}; +const _displayNextItem = ( + results, + resultCount, + searchTerms, + highlightTerms, +) => { + // results left, load the summary and display it + // this is intended to be dynamic (don't sub resultsCount) + if (results.length) { + _displayItem(results.pop(), searchTerms, highlightTerms); + setTimeout( + () => _displayNextItem(results, resultCount, searchTerms, highlightTerms), + 5 + ); + } + // search finished, update title and status message + else _finishSearch(resultCount); +}; + +/** + * Default splitQuery function. Can be overridden in ``sphinx.search`` with a + * custom function per language. + * + * The regular expression works by splitting the string on consecutive characters + * that are not Unicode letters, numbers, underscores, or emoji characters. + * This is the same as ``\W+`` in Python, preserving the surrogate pair area. + */ +if (typeof splitQuery === "undefined") { + var splitQuery = (query) => query + .split(/[^\p{Letter}\p{Number}_\p{Emoji_Presentation}]+/gu) + .filter(term => term) // remove remaining empty strings +} + +/** + * Search Module + */ +const Search = { + _index: null, + _queued_query: null, + _pulse_status: -1, + + htmlToText: (htmlString) => { + const htmlElement = new DOMParser().parseFromString(htmlString, 'text/html'); + htmlElement.querySelectorAll(".headerlink").forEach((el) => { el.remove() }); + const docContent = htmlElement.querySelector('[role="main"]'); + if (docContent !== undefined) return docContent.textContent; + console.warn( + "Content block not found. Sphinx search tries to obtain it via '[role=main]'. Could you check your theme or template." + ); + return ""; + }, + + init: () => { + const query = new URLSearchParams(window.location.search).get("q"); + document + .querySelectorAll('input[name="q"]') + .forEach((el) => (el.value = query)); + if (query) Search.performSearch(query); + }, + + loadIndex: (url) => + (document.body.appendChild(document.createElement("script")).src = url), + + setIndex: (index) => { + Search._index = index; + if (Search._queued_query !== null) { + const query = Search._queued_query; + Search._queued_query = null; + Search.query(query); + } + }, + + hasIndex: () => Search._index !== null, + + deferQuery: (query) => (Search._queued_query = query), + + stopPulse: () => (Search._pulse_status = -1), + + startPulse: () => { + if (Search._pulse_status >= 0) return; + + const pulse = () => { + Search._pulse_status = (Search._pulse_status + 1) % 4; + Search.dots.innerText = ".".repeat(Search._pulse_status); + if (Search._pulse_status >= 0) window.setTimeout(pulse, 500); + }; + pulse(); + }, + + /** + * perform a search for something (or wait until index is loaded) + */ + performSearch: (query) => { + // create the required interface elements + const searchText = document.createElement("h2"); + searchText.textContent = _("Searching"); + const searchSummary = document.createElement("p"); + searchSummary.classList.add("search-summary"); + searchSummary.innerText = ""; + const searchList = document.createElement("ul"); + searchList.classList.add("search"); + + const out = document.getElementById("search-results"); + Search.title = out.appendChild(searchText); + Search.dots = Search.title.appendChild(document.createElement("span")); + Search.status = out.appendChild(searchSummary); + Search.output = out.appendChild(searchList); + + const searchProgress = document.getElementById("search-progress"); + // Some themes don't use the search progress node + if (searchProgress) { + searchProgress.innerText = _("Preparing search..."); + } + Search.startPulse(); + + // index already loaded, the browser was quick! + if (Search.hasIndex()) Search.query(query); + else Search.deferQuery(query); + }, + + /** + * execute search (requires search index to be loaded) + */ + query: (query) => { + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const titles = Search._index.titles; + const allTitles = Search._index.alltitles; + const indexEntries = Search._index.indexentries; + + // stem the search terms and add them to the correct list + const stemmer = new Stemmer(); + const searchTerms = new Set(); + const excludedTerms = new Set(); + const highlightTerms = new Set(); + const objectTerms = new Set(splitQuery(query.toLowerCase().trim())); + splitQuery(query.trim()).forEach((queryTerm) => { + const queryTermLower = queryTerm.toLowerCase(); + + // maybe skip this "word" + // stopwords array is from language_data.js + if ( + stopwords.indexOf(queryTermLower) !== -1 || + queryTerm.match(/^\d+$/) + ) + return; + + // stem the word + let word = stemmer.stemWord(queryTermLower); + // select the correct list + if (word[0] === "-") excludedTerms.add(word.substr(1)); + else { + searchTerms.add(word); + highlightTerms.add(queryTermLower); + } + }); + + if (SPHINX_HIGHLIGHT_ENABLED) { // set in sphinx_highlight.js + localStorage.setItem("sphinx_highlight_terms", [...highlightTerms].join(" ")) + } + + // console.debug("SEARCH: searching for:"); + // console.info("required: ", [...searchTerms]); + // console.info("excluded: ", [...excludedTerms]); + + // array of [docname, title, anchor, descr, score, filename] + let results = []; + _removeChildren(document.getElementById("search-progress")); + + const queryLower = query.toLowerCase(); + for (const [title, foundTitles] of Object.entries(allTitles)) { + if (title.toLowerCase().includes(queryLower) && (queryLower.length >= title.length/2)) { + for (const [file, id] of foundTitles) { + let score = Math.round(100 * queryLower.length / title.length) + results.push([ + docNames[file], + titles[file] !== title ? `${titles[file]} > ${title}` : title, + id !== null ? "#" + id : "", + null, + score, + filenames[file], + ]); + } + } + } + + // search for explicit entries in index directives + for (const [entry, foundEntries] of Object.entries(indexEntries)) { + if (entry.includes(queryLower) && (queryLower.length >= entry.length/2)) { + for (const [file, id] of foundEntries) { + let score = Math.round(100 * queryLower.length / entry.length) + results.push([ + docNames[file], + titles[file], + id ? "#" + id : "", + null, + score, + filenames[file], + ]); + } + } + } + + // lookup as object + objectTerms.forEach((term) => + results.push(...Search.performObjectSearch(term, objectTerms)) + ); + + // lookup as search terms in fulltext + results.push(...Search.performTermsSearch(searchTerms, excludedTerms)); + + // let the scorer override scores with a custom scoring function + if (Scorer.score) results.forEach((item) => (item[4] = Scorer.score(item))); + + // now sort the results by score (in opposite order of appearance, since the + // display function below uses pop() to retrieve items) and then + // alphabetically + results.sort((a, b) => { + const leftScore = a[4]; + const rightScore = b[4]; + if (leftScore === rightScore) { + // same score: sort alphabetically + const leftTitle = a[1].toLowerCase(); + const rightTitle = b[1].toLowerCase(); + if (leftTitle === rightTitle) return 0; + return leftTitle > rightTitle ? -1 : 1; // inverted is intentional + } + return leftScore > rightScore ? 1 : -1; + }); + + // remove duplicate search results + // note the reversing of results, so that in the case of duplicates, the highest-scoring entry is kept + let seen = new Set(); + results = results.reverse().reduce((acc, result) => { + let resultStr = result.slice(0, 4).concat([result[5]]).map(v => String(v)).join(','); + if (!seen.has(resultStr)) { + acc.push(result); + seen.add(resultStr); + } + return acc; + }, []); + + results = results.reverse(); + + // for debugging + //Search.lastresults = results.slice(); // a copy + // console.info("search results:", Search.lastresults); + + // print the results + _displayNextItem(results, results.length, searchTerms, highlightTerms); + }, + + /** + * search for object names + */ + performObjectSearch: (object, objectTerms) => { + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const objects = Search._index.objects; + const objNames = Search._index.objnames; + const titles = Search._index.titles; + + const results = []; + + const objectSearchCallback = (prefix, match) => { + const name = match[4] + const fullname = (prefix ? prefix + "." : "") + name; + const fullnameLower = fullname.toLowerCase(); + if (fullnameLower.indexOf(object) < 0) return; + + let score = 0; + const parts = fullnameLower.split("."); + + // check for different match types: exact matches of full name or + // "last name" (i.e. last dotted part) + if (fullnameLower === object || parts.slice(-1)[0] === object) + score += Scorer.objNameMatch; + else if (parts.slice(-1)[0].indexOf(object) > -1) + score += Scorer.objPartialMatch; // matches in last name + + const objName = objNames[match[1]][2]; + const title = titles[match[0]]; + + // If more than one term searched for, we require other words to be + // found in the name/title/description + const otherTerms = new Set(objectTerms); + otherTerms.delete(object); + if (otherTerms.size > 0) { + const haystack = `${prefix} ${name} ${objName} ${title}`.toLowerCase(); + if ( + [...otherTerms].some((otherTerm) => haystack.indexOf(otherTerm) < 0) + ) + return; + } + + let anchor = match[3]; + if (anchor === "") anchor = fullname; + else if (anchor === "-") anchor = objNames[match[1]][1] + "-" + fullname; + + const descr = objName + _(", in ") + title; + + // add custom score for some objects according to scorer + if (Scorer.objPrio.hasOwnProperty(match[2])) + score += Scorer.objPrio[match[2]]; + else score += Scorer.objPrioDefault; + + results.push([ + docNames[match[0]], + fullname, + "#" + anchor, + descr, + score, + filenames[match[0]], + ]); + }; + Object.keys(objects).forEach((prefix) => + objects[prefix].forEach((array) => + objectSearchCallback(prefix, array) + ) + ); + return results; + }, + + /** + * search for full-text terms in the index + */ + performTermsSearch: (searchTerms, excludedTerms) => { + // prepare search + const terms = Search._index.terms; + const titleTerms = Search._index.titleterms; + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const titles = Search._index.titles; + + const scoreMap = new Map(); + const fileMap = new Map(); + + // perform the search on the required terms + searchTerms.forEach((word) => { + const files = []; + const arr = [ + { files: terms[word], score: Scorer.term }, + { files: titleTerms[word], score: Scorer.title }, + ]; + // add support for partial matches + if (word.length > 2) { + const escapedWord = _escapeRegExp(word); + Object.keys(terms).forEach((term) => { + if (term.match(escapedWord) && !terms[word]) + arr.push({ files: terms[term], score: Scorer.partialTerm }); + }); + Object.keys(titleTerms).forEach((term) => { + if (term.match(escapedWord) && !titleTerms[word]) + arr.push({ files: titleTerms[word], score: Scorer.partialTitle }); + }); + } + + // no match but word was a required one + if (arr.every((record) => record.files === undefined)) return; + + // found search word in contents + arr.forEach((record) => { + if (record.files === undefined) return; + + let recordFiles = record.files; + if (recordFiles.length === undefined) recordFiles = [recordFiles]; + files.push(...recordFiles); + + // set score for the word in each file + recordFiles.forEach((file) => { + if (!scoreMap.has(file)) scoreMap.set(file, {}); + scoreMap.get(file)[word] = record.score; + }); + }); + + // create the mapping + files.forEach((file) => { + if (fileMap.has(file) && fileMap.get(file).indexOf(word) === -1) + fileMap.get(file).push(word); + else fileMap.set(file, [word]); + }); + }); + + // now check if the files don't contain excluded terms + const results = []; + for (const [file, wordList] of fileMap) { + // check if all requirements are matched + + // as search terms with length < 3 are discarded + const filteredTermCount = [...searchTerms].filter( + (term) => term.length > 2 + ).length; + if ( + wordList.length !== searchTerms.size && + wordList.length !== filteredTermCount + ) + continue; + + // ensure that none of the excluded terms is in the search result + if ( + [...excludedTerms].some( + (term) => + terms[term] === file || + titleTerms[term] === file || + (terms[term] || []).includes(file) || + (titleTerms[term] || []).includes(file) + ) + ) + break; + + // select one (max) score for the file. + const score = Math.max(...wordList.map((w) => scoreMap.get(file)[w])); + // add result to the result list + results.push([ + docNames[file], + titles[file], + "", + null, + score, + filenames[file], + ]); + } + return results; + }, + + /** + * helper function to return a node containing the + * search summary for a given text. keywords is a list + * of stemmed words. + */ + makeSearchSummary: (htmlText, keywords) => { + const text = Search.htmlToText(htmlText); + if (text === "") return null; + + const textLower = text.toLowerCase(); + const actualStartPosition = [...keywords] + .map((k) => textLower.indexOf(k.toLowerCase())) + .filter((i) => i > -1) + .slice(-1)[0]; + const startWithContext = Math.max(actualStartPosition - 120, 0); + + const top = startWithContext === 0 ? "" : "..."; + const tail = startWithContext + 240 < text.length ? "..." : ""; + + let summary = document.createElement("p"); + summary.classList.add("context"); + summary.textContent = top + text.substr(startWithContext, 240).trim() + tail; + + return summary; + }, +}; + +_ready(Search.init); diff --git a/main/0.4.0/_static/sphinx_highlight.js b/main/0.4.0/_static/sphinx_highlight.js new file mode 100644 index 00000000..8a96c69a --- /dev/null +++ b/main/0.4.0/_static/sphinx_highlight.js @@ -0,0 +1,154 @@ +/* Highlighting utilities for Sphinx HTML documentation. */ +"use strict"; + +const SPHINX_HIGHLIGHT_ENABLED = true + +/** + * highlight a given string on a node by wrapping it in + * span elements with the given class name. + */ +const _highlight = (node, addItems, text, className) => { + if (node.nodeType === Node.TEXT_NODE) { + const val = node.nodeValue; + const parent = node.parentNode; + const pos = val.toLowerCase().indexOf(text); + if ( + pos >= 0 && + !parent.classList.contains(className) && + !parent.classList.contains("nohighlight") + ) { + let span; + + const closestNode = parent.closest("body, svg, foreignObject"); + const isInSVG = closestNode && closestNode.matches("svg"); + if (isInSVG) { + span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + } else { + span = document.createElement("span"); + span.classList.add(className); + } + + span.appendChild(document.createTextNode(val.substr(pos, text.length))); + const rest = document.createTextNode(val.substr(pos + text.length)); + parent.insertBefore( + span, + parent.insertBefore( + rest, + node.nextSibling + ) + ); + node.nodeValue = val.substr(0, pos); + /* There may be more occurrences of search term in this node. So call this + * function recursively on the remaining fragment. + */ + _highlight(rest, addItems, text, className); + + if (isInSVG) { + const rect = document.createElementNS( + "http://www.w3.org/2000/svg", + "rect" + ); + const bbox = parent.getBBox(); + rect.x.baseVal.value = bbox.x; + rect.y.baseVal.value = bbox.y; + rect.width.baseVal.value = bbox.width; + rect.height.baseVal.value = bbox.height; + rect.setAttribute("class", className); + addItems.push({ parent: parent, target: rect }); + } + } + } else if (node.matches && !node.matches("button, select, textarea")) { + node.childNodes.forEach((el) => _highlight(el, addItems, text, className)); + } +}; +const _highlightText = (thisNode, text, className) => { + let addItems = []; + _highlight(thisNode, addItems, text, className); + addItems.forEach((obj) => + obj.parent.insertAdjacentElement("beforebegin", obj.target) + ); +}; + +/** + * Small JavaScript module for the documentation. + */ +const SphinxHighlight = { + + /** + * highlight the search words provided in localstorage in the text + */ + highlightSearchWords: () => { + if (!SPHINX_HIGHLIGHT_ENABLED) return; // bail if no highlight + + // get and clear terms from localstorage + const url = new URL(window.location); + const highlight = + localStorage.getItem("sphinx_highlight_terms") + || url.searchParams.get("highlight") + || ""; + localStorage.removeItem("sphinx_highlight_terms") + url.searchParams.delete("highlight"); + window.history.replaceState({}, "", url); + + // get individual terms from highlight string + const terms = highlight.toLowerCase().split(/\s+/).filter(x => x); + if (terms.length === 0) return; // nothing to do + + // There should never be more than one element matching "div.body" + const divBody = document.querySelectorAll("div.body"); + const body = divBody.length ? divBody[0] : document.querySelector("body"); + window.setTimeout(() => { + terms.forEach((term) => _highlightText(body, term, "highlighted")); + }, 10); + + const searchBox = document.getElementById("searchbox"); + if (searchBox === null) return; + searchBox.appendChild( + document + .createRange() + .createContextualFragment( + '

' + + '' + + _("Hide Search Matches") + + "

" + ) + ); + }, + + /** + * helper function to hide the search marks again + */ + hideSearchWords: () => { + document + .querySelectorAll("#searchbox .highlight-link") + .forEach((el) => el.remove()); + document + .querySelectorAll("span.highlighted") + .forEach((el) => el.classList.remove("highlighted")); + localStorage.removeItem("sphinx_highlight_terms") + }, + + initEscapeListener: () => { + // only install a listener if it is really needed + if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS) return; + + document.addEventListener("keydown", (event) => { + // bail for input elements + if (BLACKLISTED_KEY_CONTROL_ELEMENTS.has(document.activeElement.tagName)) return; + // bail with special keys + if (event.shiftKey || event.altKey || event.ctrlKey || event.metaKey) return; + if (DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS && (event.key === "Escape")) { + SphinxHighlight.hideSearchWords(); + event.preventDefault(); + } + }); + }, +}; + +_ready(() => { + /* Do not call highlightSearchWords() when we are on the search page. + * It will highlight words from the *previous* search query. + */ + if (typeof Search === "undefined") SphinxHighlight.highlightSearchWords(); + SphinxHighlight.initEscapeListener(); +}); diff --git a/main/0.4.0/developer_notes.html b/main/0.4.0/developer_notes.html new file mode 100644 index 00000000..2359b7fc --- /dev/null +++ b/main/0.4.0/developer_notes.html @@ -0,0 +1,385 @@ + + + + + + + Developer Notes for FEMMT — FEM Magnetics Toolbox 0.4.0 documentation + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+ +
+
+
+
+ +
+

Developer Notes for FEMMT

+

This chapter contains some useful information when developing with femmt.

+
+

Winding creation

+

Since there are multiple possible virtual winding windows containing currently up to 2 conductors it is necessary to have a global order for every conductor. +This order is set by the winding_number which is given to the Conductor on creation. +This results in multiple lists containg the same conductor objects (called windings) in different objects:

+
    +

  1. Every virtual winding window contains a list of conductors. This list either contains one conductor (single winding) or two conductors (interleaved winding). When setting the interleaved winding the order of conductors is given by the order of the parameters. First given winding -> winding[0], second given winding -> winding[1].

    2. +

  2. The magnetic component contains a list of conductors too. This list contains every unique conductor from every virtual winding window. The order of the windings list in magnetic component is given by the winding_number (sorted in ascending order). This means that the conductor with the lowest winding_number is at position 0 of the winding list: windings[0].

    3. +
+

Example:

+

2 conductors are created: Conductor0(winding_index=0) and Conductor1(winding_index=1). Additionaly 2 virtual winding windows are created. +The first virtual winding window only contains Conductor0, the second virtual winding window contains both conductors. +The following winding lists are created:

+
    +

  • VirtualWindingWindow0: windings = [Conductor0]

    • +

  • VirtualWindingWindow1: windings = [Conductor0, Conductor1]

    • +

  • MagneticComponent: windings = [Conductor0, Conductor1]

    • +
+

If Conductor1 has a lower winding_index than Conductor0 only the list in magnetic component would change since it does not change +the parameter order for setInterleavedWinding() in VirtualWindingWindow1:

+
    +

  • MagneticComponent: windings = [Conductor1, Conductor0]

    • +
+

The order of the conductors in the magnetic component windings list is very important for the simulation. +When creating the model and running the simulation the order of the conductors in MagneticComponent.windings is used to determine +if the conductor is the primary, secondary (, tertiary, …) winding.

+

In the TwoDaxiSymmetric class points for every conductor are created. Those points are stored in a list called p_conductor. +p_conductor[0] is a list containing the points for every turn of the conductor with the lowest winding_index (primary winding). +p_conductors[1] is a list containing the points for every turn of the conductor with the second lowest winding_index (secondary winding).

+

Currently the magnetic solver only supports primary and secondary windings, therefore it is useless to create more conductors. +However the implemented structure is capable of working with n windings.

+
+
+ + +
+
+
+ +
+ +
+

© Copyright 2024, LEA, Paderborn University.

+
+ + Built with Sphinx using a + theme + provided by Read the Docs. + + +
+
+
+
+
+ + + + \ No newline at end of file diff --git a/main/0.4.0/genindex.html b/main/0.4.0/genindex.html new file mode 100644 index 00000000..ce46854b --- /dev/null +++ b/main/0.4.0/genindex.html @@ -0,0 +1,765 @@ + + + + + + Index — FEM Magnetics Toolbox 0.4.0 documentation + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+ +
+
+
+
+ + +

Index

+ +
+ _ + | A + | B + | C + | E + | F + | H + | I + | L + | M + | N + | P + | R + | S + | T + | U + | V + | W + +
+

_

+ + +
+ +

A

+ + + +
+ +

B

+ + +
+ +

C

+ + + +
+ +

E

+ + + +
+ +

F

+ + + +
+ +

H

+ + + +
+ +

I

+ + + +
+ +

L

+ + + +
+ +

M

+ + + +
+ +

N

+ + +
+ +

P

+ + + +
+ +

R

+ + + +
+ +

S

+ + + +
+ +

T

+ + + +
+ +

U

+ + +
+ +

V

+ + + +
+ +

W

+ + + +
+ + + +
+
+
+ +
+ +
+

© Copyright 2024, LEA, Paderborn University.

+
+ + Built with Sphinx using a + theme + provided by Read the Docs. + + +
+
+
+
+
+ + + + \ No newline at end of file diff --git a/main/0.4.0/index.html b/main/0.4.0/index.html new file mode 100644 index 00000000..a881e984 --- /dev/null +++ b/main/0.4.0/index.html @@ -0,0 +1,613 @@ + + + + + + + Welcome to FEM Magnetics Toolbox’s documentation! — FEM Magnetics Toolbox 0.4.0 documentation + + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+
    +
    • +
  • Welcome to FEM Magnetics Toolbox’s documentation!
    • +
  • + Edit on GitHub +
    • +
+
+
+
+
+ +
+

Welcome to FEM Magnetics Toolbox’s documentation!

+
+

Table of Contents:

+ +
+
+
+

Indices and tables

+ +
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/main/0.4.0/intro.html b/main/0.4.0/intro.html new file mode 100644 index 00000000..a33ea08a --- /dev/null +++ b/main/0.4.0/intro.html @@ -0,0 +1,2162 @@ + + + + + + + 1 FEM Magnetics Toolbox (FEMMT) — FEM Magnetics Toolbox 0.4.0 documentation + + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+ +
+
+
+
+ +
+

1 FEM Magnetics Toolbox (FEMMT)

+

Python toolbox to generate preconfigured figures for FEM simulation +tools in power electronics.

+

The toolbox contains two parts, a reluctance module and a FEM module.

+
    +

  • The reluctance module is for pre-calculations

    • +

  • The FEM module is for detailed calculations

    • +
+
+

1.1 Installation

+

To run FEMMT, python (version 3.8 or above) and onelab is needed.

+
+

1.1.1 ONELAB installation

+
    +

  • Go to https://onelab.info/

    • +

  • Download the Desktop Version for your OS (Windows, Linux or macOS)

    • +

  • Unpack the software and remember the file path. This will be needed +later when installing FEMMT.

    • +
+
+
+

1.1.2 Install FEMMT

+

FEMMT can be installed using the python pip package manager. +Either a release version can be installed using pip or a developement version by downloading this repository.

+ +
+

1.1.2.2 FEMMT development version (for developers only)

+

This is the latest development version with the latest features. Note: +You may need to install git. +Also have a look at the developers notes.

+
cd /Documents/Folder/of/Interest/FEMMT
+git clone git@github.com:upb-lea/FEM_Magnetics_Toolbox.git
+pip install -e .
+
+
+

FEMMT is using the material database. To use the latest version for developing, also install the material database in developer mode.

+
cd /Documents/Folder/of/Interest/materialdatabase
+git clone git@github.com:upb-lea/materialdatabase.git
+pip install -e .
+
+
+
+
+
+
+

1.2 Examples

+

This toolbox is able to build a complete FEM simulation from simple +Python code. The following figure shows the Python code on the left and +the corresponding FEM simulation on the right. image_femmt_screenshot

+

Code examples can be found in this example file. This file is updated +regulary.

+
+

1.2.1 Basics

+

The magnetic component can be an inductor, a transformer, or a +transformer with integrated stray path. The parameterization process is +divided into the following steps:

+
    +

  1. Chose simulation type,

    2. +

  2. set core parameters (geometry, material),

    3. +

  3. set air gap parameters (position, height),

    4. +

  4. set conductor parameters (litz/solid wire),

    5. +

  5. start simulation with given frequencies and currents and phases.

    6. +
+

Please have a look at the basic_example.

+

The examples contain among other things:

+
    +

  • Geometries: Coil, transformer, transformer with integrated stray path,

    • +

  • wire and stranded wire definition,

    • +

  • air gaps definition,

    • +

  • excitation with different frequencies, amplitudes and phases.

    • +
+

The simulation results can be found in working_directory/results/result_log_electro_magnetic.json. Working directory can either be set by the user otherwise it located at /python-side-packages-path/femmt. +In it you can find

+
    +

  • power loss in the core: hysteresis losses and eddy current losses,

    • +

  • losses per winding and for each individual winding,

    • +

  • self- and mutual inductances.

    • +
+

For a more detailed guide on how to create a model, plase have a look here.

+
+
+

1.2.2 Counting arrow system

+

Defined as depicted here:

+

image_counting_arrow_system

+
+
+
+

1.3 GUI (Experimental)

+

There is a first preview for a GUI. Installing this is a bit cumbersome +at first, but will be simplified in the future:

+
    +

  • Download the complete repository via Code -> Download ZIP and unpack it.

    • +

  • install the development version of femmt as described above

    • +

  • run python downloads/path-to_femmt/femmt/gui/femmt_gui.py

    • +
+

Please note, the GUI is experimental.

+

image_gui_definition

+
+
+

1.4 FEMM Validation (for developers only)

+

For verification purposes a FEMM model can be created in FEMMT. To do this +FEMM needs to be installed as well as the FEMM python package. +The functionality is limited, e.g. the air gaps are limited to the ‘center’-type. Other types, like ‘percent’ are not implemented.

+
+
+
+

2 User Guide: How to create a FEMMT model

+

This guide explains how a model can be created in femmt and provides all +the necessary information to work with femmt. Many examples for femmt +models can be found in the example folder.

+
+

2.1 Working directory

+

Every femmt model has a working directory which can be set when creating +an instance of the femmt base class called ‘MagneticComponent’. When +running the simulation many files will be created in the working +directory including the model, mesh and multiple result files. It also +contains the electro_magnetic_log.json which the most important +simulation results (e.g. losses, inductance, …).

+

Besides the working directory a MagneticComponent also needs a +ComponentType. Currently this can be ‘Inductor’, ‘Transformer’ or +‘IntegratedTransformer’.

+

This results to the following code:

+
import femmt as fmt
+
+geo = fmt.MagneticComponent(component_type=fmt.ComponentType.Inductor, working_directory=working_directory, silent=False)
+
+
+

Note about the silent-flag. In case of False, all outputs are printed in the terminal. In case of True, no command line outputs are shown. This simple feature significantly speeds up simulation time, especially for many automated simulations.

+
+
+

2.2 Creating a core

+

In general, only 2D rotationally symmetric geometries are represented in +FEMMT. Other core shapes must first be converted to a 2D rotationally +symmetric shape. The corresponding values for this (diameter core, +dimensions of the winding window) are taken from the data sheet. +Afterwards, a corresponding geometry is generated automatically.

+

The following graphics always show only a sectional view of the core +geometry.

+_images/geometry_translated.png +

After creating a MagneticComponent a core needs to be created. The core +needs spatial parameters as well as material parameters. The neccessary +spatial parameters are shown in the image below.

+_images/geometry_core.png +

Core spatial parameters can be entered manually but FEMMT provides a +database of different practical cores. This database can be accessed +using:

+
core_db = fmt.core-database()["PQ 40/40"]
+
+
+

Now the core object can be created and added to the model (geo object)

+
core = fmt.Core(core_inner_diameter=core_db["core_inner_diameter"], window_w=core_db["window_w"], window_h=core_db["window_h"], material="N95", temperature=25, frequency=100000, datasource="manufacturer_datasheet")
+core.set_core(core)
+
+
+
+

2.2.1 Material database

+

The material database was already introduced in the upper code example with the material= parameter. The temperature as well as the frequency are necessary to pick the corresponding data from the datasheet.

+
+
+
+

2.3 Adding air gaps to the core

+

In the next steps air gaps can be added. Currently it is only possible +to add air gaps in the center leg, there for the ‘AirGapLegPosition’ is +always ‘CenterLeg’. To set the vertical position for a air gap multiple +methods are available:

+
    +

  • Center: The air gap will always be positioned in the center

    • +

  • Percent: A value between 0 and 100 can be given. Where 0 +represents the bottom end and 100 the top end of the winding window.

    • +

  • Manually: The specific y coordinate nneeds to be entered +manually.

    • +
+_images/geometry_air_gap.png +

Have a look at the following example on how to create an air gap object +and add it to the model:

+
air_gaps = fmt.AirGaps(method=fmt.AirGapMethod.Percent, core=core)
+air_gaps.add_air_gap(leg_position=fmt.AirGapLegPosition.CenterLeg, height=0.0005, position_value=50)
+geo.set_air_gaps(air_gaps)
+
+
+

Adding an air_gap object is not necessary. If no air gap is needed, +don’t add the air gap object to the model.

+
+
+

2.4 Set insulation distances

+

There are multiple insulations implemented in femmt. Some of them are +created as rectangles in the model, some are just adding an offset to +the windings.

+

Core insulations are the insulations which are created as rectangles in +the model. 4 core insulations will be added: top, left, bottom, right. +The distance of those values can be set with the ‘add_core_insulations’ +function.

+

Furthermore there are offset insulations between each turn in the same +winding, a distance between 2 windings in one virtual winding window and +a distance between each virtual winding window. The first two are set +using the ‘add_winding_insulations’ functions, the last one when +creating such a virtual winding window (vww).

+

The function ‘add_winding_insulations’ therefore needs multiple +parameters:

+
    +

  • The first parameter is a list called inner_windings, where the +list index corresponds to the number of the winding (0: Primary, 1: +Secondary, …).

    • +

  • The second parameter is the distance between two virtual winding +windows, this is called virtual_winding_window_insulation.

    • +
+_images/geometry_insulation.png +

This is how to create an insulation object and add certain insulations:

+
insulation = fmt.Insulation()
+insulation.add_core_insulation(0.001, 0.001, 0.004, 0.001)
+insulation.add_winding_insulation([0.0005], 0.0001)
+geo.set_insulation(insulation)
+
+
+

The spatial parameters for the insulation, as well as for every other +function in FEMMT, are always in SI-Units, in this case metres.

+
+
+

2.5 Add windings to the winding window

+

In order to understand the way winding windows work in femmt, the +concept of virtual winding windows must be explained:

+
+

2.5.1 Virtual Winding Windows

+

For every femmt model there is always one winding window, which is a 2D +representation of the 3D rotated winding window. This winding window can +be split into multiple virtual winding windows which are used to draw +the conductors. There are multiple ways to split a winding window:

+
    +

  • NoSplit: Only 1 virtual winding window will be returned and it +has the same size as the real winding window.

    • +

  • HorizontalSplit: 2 virtual winding windows will be returned, one +for the top and one for the bottom part. The height of the splitting +line can be set using a horizontal_split_factor (value between 0 and +1)

    • +

  • VerticalSplit: 2 virtual winding windows will be returned, one +for the left and one for the right part. The radius (x-coordinate) of +the splitting line can be set using a vertical_split_factor (value +between 0 and 1)

    • +

  • HorizontalAndVerticalSplit: 4 virtual winding windows are +returned. One for each corner (in the following order): top_left, +top_right, bottom_left, bottom_right. In this case the horizontal and +vertical split factors can be used to set the sizes of each grid +cell.

    • +
+_images/geometry_winding_windows.png +

In addition to that 2 virtual winding windows can be combined to one +(this is not possible for (top_left, bottom_right) or (top_right, +bottom_left) combinations). This is done using the combine_vww() +function of the WindingWindow class.

+

Each virtual winding window can be filled with either one single winding +or one interleaved winding.

+

A winding window with only one virtual winding window can be craeted +like this:

+
winding_window = fmt.WindingWindow(core, insulation)
+vww = winding_window.split_window(fmt.WindingWindowSplit.NoSplit)
+
+
+
+
+

2.5.2 Winding types and winding schemes

+

The following table gives an overview of the different winding types, +winding schemes and conductor arrangements:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

WindingType

ConductorType

WindingScheme

ConductorArrangement

WrapParaType

status

description

Interleaved

Always needs 2 conductors

RoundSolid, RoundLitz

Bifilar

not implemented

TODO

VerticalAlternating

not implemented

primary and secondary winding are interleaved vertically (rows)

HorizontalAlternating

implemented

primary and secondary winding are interleaved horizontally (cols)

VerticalStacked

implemented

primary winding is drawn bottom to top, seoncdary winmding is drawn top to bottom

Square

“

Hexagonal

“

RectangularSolid

not implemented

Single

Always needs 1 conductor

RoundSolid, RoundLitz

None

implemented

Square

“

Square full width

“

Hexagonal

“

RectangularSolid

Full

implemented

whole virtual winding window contains is filled with one turn

FoilHorizontal (stacked)

implemented

foils are very long (x-axis) and drawn along y-axis

Square full width

not implemented

foils are drawn along x-axis first and then along y-axis

FoilVertical

implemented

foils are very tall (y-axis) and drawn along x-axis

Fixed Thickness

“

Interpolate

“

+
+

2.5.2.1 ConductorArrangement

+
    +

  • Square: conductors are set in next to each other in a grid

    • +

  • Hexagonal: similar to square but in this case the conductors +frpmo the next column slips in the free space between two conductors +from the first column

    • +

  • Square full width: conducors are first drawn along x-axis and +then y-axis

    • +
+
+
+

2.5.2.2 WrapParaType

+
    +

  • Fixed thickness: TODO

    • +

  • Interpolate: TODO

    • +
+

Images for the possible winding types can be found here.

+
+
+
+
+

2.6 Add conductors

+

When creating an instance of the class Conductor a winding number and a +conductivity needs to be given:

+

The winding number represents the index of the winding (e.g. primary->1, +secondary->2, tertiary->3). As an example: When starting a simulation on +a transformer a current needs to be given, this is done in a list. The +first index of the current’s list will be set to the winding with the +lowest winding number, the second index of the list to the winding with +the second lowest winding number and so on.

+

The conductivity can be set using the Conductivity enum where one of two +possible materials need to be selected:

+
    +

  • Copper

    • +

  • Aluminium

    • +
+

After creating an conductor object it is necessary to add a conductor to +it. As already shown in the winding types table 3 different conducors +can be set:

+
    +

  • RoundSolid

    • +

  • RoundLitz

    • +

  • RectangularSolid

    • +
+

To create a conductor have a look at the following code example:

+
winding1 = fmt.Conductor(winding_number=0, conductivity=fmt.Conductivity.Copper)
+winding1.set_solid_round_conductor(conductor_radius=0.0011, conductor_arrangement=fmt.ConductorArrangement.Square)
+
+
+
+

2.6.1 Add conductors to virtual winding windows

+

Now the conductors need to be added to the virtual winding windows with +the corresponding winding type and winding scheme. In this case the +set_winding() or set_interleaved_winding() function needs to be called. +In the set_interleaved_winding() function an insulation distance can +also be set. This value represents the distance between conductors from +the primary and secondary side.

+
vww.set_winding(conductor=winding1, turns=9, winding_scheme=None)
+
+
+

If you have a look at the winding types and windng schemes table a +winding scheme is not needed when creating a round solid conductor in +single winding. Therefore the value is set to None.

+

Now before simulating the winding window needs to be added to the model +as well:

+
geo.set_winding_window(winding_window=winding_window)
+
+
+
+
+
+

2.7 Create model and start simulation

+

After every needed component is added to the model the model can be +created. This is done using the create_model() function. The frequency +is needed there because of the mesh which is adapted according to the +skin depth. In addition to that a boolean can be given to show the model +after creation (in gmsh).

+

The last step is to run a simulation using single_simulation(), which +needs the frequency, currents (and phase if transformer is set) as +parameters.

+
geo.create_model(freq=100000, visualize_before=True, save_png=False)
+geo.single_simulation(freq=100000, current=[4.5], show_results=True)
+
+
+

The results should look like this:

+
+
+

2.8 [Optional] Create thermal simulation

+

After running the electromagnetic simulation it is possible to use the +simulation results and the created model and start a thermal simulation. +The thermal simulation will add a case surrounding the previous created +model. At the edge of this case the boundary condition is applied and +the thermal conductivity as well as the dimensions of the case can be +choosen freely. This case is split into 5 parts: top, top right, right, +bot right, bot. For each region a different thermal conductivity and +boundary condition can be set. In order to run thermal a thermal +simulation different values are needed:

+
    +

  • thermal conductivity dict: A dictionary containing thermal +conductivities for each region. The regions are: air, core, winding, +air_gaps, insulation, case (which is split in top, top_right, right, +bot_right, bot

    • +

  • case gap values: Set the size of the surrounding case

    • +

  • boundary temperatures dict: The temperatures which will be applied at +the edge of the case (dirichlet boundary condition)

    • +

  • boundary flags: By disabling a specific boundary its condition can be +set to a neumann boundary condition ignoring the temperature +parameter

    • +
+_images/geometry_thermal.png +

Have a look at this example on how to set the parameters since the +dictionary keywords are important to write correctly:

+
thermal_conductivity_dict = {
+        "air": 0.0263,
+        "case": {
+            "top": 0.122,
+            "top_right": 0.122,
+            "right": 0.122,
+            "bot_right": 0.122,
+            "bot": 0.122
+        },
+        "core": 5,
+        "winding": 400,
+        "air_gaps": 180,
+        "insulation": 0.42
+}
+
+case_gap_top = 0.002
+case_gap_right = 0.0025
+case_gap_bot = 0.002
+
+boundary_temperatures = {
+    "value_boundary_top": 20,
+    "value_boundary_top_right": 20,
+    "value_boundary_right_top": 20,
+    "value_boundary_right": 20,
+    "value_boundary_right_bottom": 20,
+    "value_boundary_bottom_right": 20,
+    "value_boundary_bottom": 20
+}
+
+boundary_flags = {
+    "flag_boundary_top": 0,
+    "flag_boundary_top_right": 0,
+    "flag_boundary_right_top": 1,
+    "flag_boundary_right": 1,
+    "flag_boundary_right_bottom": 1,
+    "flag_boundary_bottom_right": 1,
+    "flag_boundary_bottom": 1
+}
+
+
+

In the boundary_flags dictionary 2 flags are set to 0 which means there +will be a neumann boundary applied. Please have a look at the picture +above which shows the current selected boundaries.

+

In the following table a possible set of thermal conductivities can be +found:

+ + + + + + + + + + + + + + + + + + + + + + + + +

Material

Thermal conductivity

air (background)

0.0263

epoxy resign (used in case)

1.54

ferrite (core)

5

copper (winding)

400

aluminiumnitride (air gaps)

180

polyethylen (insulation)

0.42

+

The thermal simulation will solve the stationary heat equation and since +no convection is considered every material is assumed to be solid. Now +the simulation can be run:

+
geo.thermal_simulation(thermal_conductivity_dict, boundary_temperatures, boundary_flags, case_gap_top, case_gap_right, case_gap_bot, True, True)
+
+
+

The following image shows the simulation results:

+_images/user_guide_example_thermal_simulation.png +
+
+
+

3 Winding types

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Single_Square

Single Hexagonal

Single Full

image0

image1

image2

Single_SquareFullWidth

Single FoilHorizontal

Single FoilVertical (fixed thickness)

image3

image4

image5

Single FoilVertical (interpolate)

Interleaved HorizontalAlternating

Interleaved VerticalStacked (square)

image6

image7

image8

Interleaved VerticalStacked (hexagonal)

image9

+
+
+

4 FEMMT class and function documentation

+
+

4.1 The MagneticComponent class

+
+
+class femmt.MagneticComponent.MagneticComponent(component_type: ComponentType = ComponentType.Inductor, working_directory: str = None, silent: bool = False, is_gui: bool = False)
+

A MagneticComponent is the main object for all simulation purposes in femmt.

+
+
    +

  • One or more “MagneticComponents” can be created

    • +

  • Each “MagneticComponent” owns its own instance variable values

    • +
+
+
+
+__init__(component_type: ComponentType = ComponentType.Inductor, working_directory: str = None, silent: bool = False, is_gui: bool = False)
+
+
Parameters:
+
    +

  • component_type (ComponentType) – Available options: +- “inductor” +- “transformer” +- “integrated_transformer” (Transformer with included stray-path)

    • +

  • working_directory (string) – Sets the working directory

    • +

  • silent (bool) – True to reduce onelab simulation outputs in command line. False to see full command line output.

    • +

  • is_gui (bool) – Asks at first startup for onelab-path. Distinction between GUI and command line. Defaults to ‘False’ in command-line-mode.

    • +
+
+
+
+ +
+
+create_model(freq: float, skin_mesh_factor: float = 0.5, visualize_before: bool = False, save_png: bool = False, color_scheme: Dict = ff.colors_femmt_default, colors_geometry: Dict = ff.colors_geometry_femmt_default)
+

Create a model from the abstract geometry description inside onelab including optional mesh generation

+
+
Parameters:
+
    +

  • freq (float) – Frequency [Hz]

    • +

  • skin_mesh_factor (float) – [default to 0.5]

    • +

  • visualize_before (bool) – True for a pre-visualisation (e.g. check your geometry) and after this a simulation runs, False for a direct simulation

    • +

  • save_png (bool) – True to save a png-figure, false for no figure

    • +

  • color_scheme (Dict) – colorfile (definition for red, green, blue, …)

    • +

  • colors_geometry (Dict) – definition for e.g. core is grey, winding is orange, …

    • +
+
+
Param:
+

do_meshing: [default to True], internal use only (e.g. for GUI)

+
+
+
+ +
+
+excitation_sweep(frequency_list: List, current_list_list: List, phi_deg_list_list: List, show_last: bool = False, return_results: bool = False, excitation_meshing_type: ExcitationMeshingType = None, skin_mesh_factor: float = 0.5, visualize_before: bool = False, save_png: bool = False, color_scheme: Dict = ff.colors_femmt_default, colors_geometry: Dict = ff.colors_geometry_femmt_default) → Dict
+

Performs a sweep simulation for frequency-current pairs. Both values can +be passed in lists of the same length. The mesh is only created ones (fast sweep)!

+
+
Example Code for Inductor:
+

+
+
>>> import femmt as fmt
+>>> fs_list = [0, 10000, 30000, 60000, 100000, 150000]
+>>> amplitue_list_list = [[10], [2], [1], [0.5], [0.2], [0.1]]
+>>> phase_list_list = [[0], [10], [20], [30], [40], [50]]
+>>> geo.excitation_sweep(frequency_list=fs_list, current_list_list=amplitue_list_list, phi_deg_list_list=phase_list_list)
+
+
+
+
Example Code for Transformer with 2 windings:
+

+
+
>>> import femmt as fmt
+>>> fs_list = [0, 10000, 30000, 60000, 100000, 150000]
+>>> amplitue_list_list = [[10, 2], [2, 1], [1, 0.5], [0.5, 0.25], [0.2, 0.1], [0.1, 0.05]]
+>>> phase_list_list = [[0, 170], [10, 180], [20, 190], [30, 200], [40, 210], [50, 220]]
+>>> geo.excitation_sweep(frequency_list=fs_list, current_list_list=amplitue_list_list, phi_deg_list_list=phase_list_list)
+
+
+
+
Parameters:
+
    +

  • frequency_list (List) – Frequency in a list

    • +

  • current_list_list (List) – current amplitude, must be a list in a list, see example!

    • +

  • phi_deg_list_list (List) – phase in degree, must be a list in a list, see example!

    • +

  • show_last (bool) – shows last simulation in gmsh if set to True

    • +

  • return_results (bool) – returns results in a dictionary

    • +

  • visualize_before (bool) – show genarated mesh before the simulation is run

    • +

  • meshing (bool) –

    • +

  • color_scheme (Dict) – colorfile (definition for red, green, blue, …)

    • +

  • colors_geometry (Dict) – definition for e.g. core is grey, winding is orange, …

    • +
+
+
Returns:
+

Results in a dictionary

+
+
Return type:
+

Dict

+
+
+
+ +
+
+femm_reference(freq: float, current: float, sign: bool = None, non_visualize: int = 0)
+

Allows reference simulations with the 2D open source electromagnetic FEM tool FEMM. +Helpful to validate changes (especially in the Prolog Code).

+
+
Blockprop <–> Group Convention:

Ferrite := 0 +Air := 1 +Winding 1 := 2 +Winding 2 := 3 +… +Winding n := n+1

+
+
+
+
Parameters:
+
    +

  • sign –

    • +

  • non_visualize –

    • +

  • freq –

    • +

  • current –

    • +
+
+
+
+ +
+
+femm_thermal_validation(thermal_conductivity_dict: Dict, boundary_temperature: Dict, case_gap_top: float, case_gap_right: float, case_gap_bot: float)
+

Creates a thermal model in femm and simulates it with the given thermal conductivities

+
+
Parameters:
+
    +

  • thermal_conductivity_dict (Dict) – Dict containing conductivities for air, winding, case, core

    • +

  • boundary_temperature (Dict) – Dict containing temperatures on boundary lines

    • +

  • case_gap_top (float) – Length top case

    • +

  • case_gap_right (float) – Length right case

    • +

  • case_gap_bot (float) – Length bot case

    • +
+
+
+
+ +
+
+mesh(frequency: float = None, skin_mesh_factor: float = None)
+

Generates model and mesh.

+
+
Parameters:
+
    +

  • frequency (float, optional) – Frequency used in the mesh denisty, defaults to None

    • +

  • skin_mesh_factor (float, optional) – Used in the mesh density, defaults to None

    • +
+
+
+
+ +
+
+set_air_gaps(air_gaps: AirGaps)
+

Adds the air_gaps to the model

+
+
Parameters:
+

air_gaps (AirGaps) – AirGaps object

+
+
+
+ +
+
+set_core(core: Core)
+

Adds the core to the model

+
+
Parameters:
+

core (Core) – Core object

+
+
+
+ +
+
+set_insulation(insulation: Insulation)
+

Adds the insulation to the model

+
+
Parameters:
+

insulation (Insulation) – insulation object

+
+
+
+ +
+
+set_stray_path(stray_path: StrayPath)
+

Adds the stray path to the model

+
+
Parameters:
+

stray_path (StrayPath) – StrayPath object

+
+
+
+ +
+
+set_winding_window(winding_window: WindingWindow)
+

Adds the virtual winding windows to the model. Creates the windings list, which contains the conductors +from the virtual winding windows but sorted by the winding_number (ascending). +Sets empty lists for excitation parameters

+
+
Parameters:
+

winding_window (WindingWindow) – WindingWindow object

+
+
+
+ +
+
+single_simulation(freq: float, current: List[float], phi_deg: List[float] = None, show_results=True)
+

Start a _single_ electromagnetic ONELAB simulation. +:param NL_core: +:param freq: frequency to simulate +:type freq: float +:param current: current to simulate +:param skin_mesh_factor: +:type skin_mesh_factor: float +:param phi_deg: phase angle in degree +:type phi_deg: List[float]

+
+ +
+
+thermal_simulation(thermal_conductivity_dict: Dict, boundary_temperatures_dict: Dict, boundary_flags_dict: Dict, case_gap_top: float, case_gap_right: float, case_gap_bot: float, show_results: bool = True, visualize_before: bool = False, color_scheme: Dict = ff.colors_femmt_default, colors_geometry: Dict = ff.colors_geometry_femmt_default)
+

Starts the thermal simulation using thermal_simulation.py

+
+
Parameters:
+
    +

  • thermal_conductivity_dict (Dict) – Contains the thermal conductivities for every region

    • +

  • boundary_temperatures_dict (Dict) – Contains the tmperatures at each boundary line

    • +

  • boundary_flags_dict (Dict) – Sets the boundary type (dirichlet or von neumann) for each boundary line

    • +

  • case_gap_top (float) – Size of the top case

    • +

  • case_gap_right (float) – Size of the right case

    • +

  • case_gap_bot (float) – Size of the bot case

    • +

  • show_results (bool, optional) – Shows thermal results in gmsh, defaults to True

    • +

  • visualize_before (bool, optional) – Shows the thermal model before simulation, defaults to False

    • +

  • color_scheme (Dict, optional) – Color scheme for visualization, defaults to ff.colors_femmt_default

    • +

  • colors_geometry (Dict, optional) – Color geometry for visualization, defaults to ff.colors_geometry_femmt_default

    • +
+
+
+
+ +
+ +
+
+

4.2 The Core class

+
+
+class femmt.Model.Core(core_inner_diameter: float, window_w: float, window_h: float, material: str = 'custom', loss_approach: LossApproach = LossApproach.LossAngle, mu_rel: float = 3000, temperature: float = None, datasource: str = None, steinmetz_parameter: list = None, generalized_steinmetz_parameter: list = None, phi_mu_deg: float = None, sigma: float = None, non_linear: bool = False, correct_outer_leg: bool = False, **kwargs)
+

This creates the core base for the model.

+

frequency = 0: mu_rel only used if non_linear == False +frequency > 0: mu_rel is used

+
+
+__init__(core_inner_diameter: float, window_w: float, window_h: float, material: str = 'custom', loss_approach: LossApproach = LossApproach.LossAngle, mu_rel: float = 3000, temperature: float = None, datasource: str = None, steinmetz_parameter: list = None, generalized_steinmetz_parameter: list = None, phi_mu_deg: float = None, sigma: float = None, non_linear: bool = False, correct_outer_leg: bool = False, **kwargs)
+

TODO Doc

+
+
Parameters:
+
    +

  • core_w (float) – _description_

    • +

  • window_w (float) – _description_

    • +

  • window_h (float) – _description_

    • +

  • material (str, optional) – _description_, defaults to “custom”

    • +

  • mu_rel (float, optional) – _description_, defaults to 3000

    • +

  • phi_mu_deg (float, optional) – _description_, defaults to None

    • +

  • sigma (float, optional) – _description_, defaults to None

    • +

  • non_linear (bool, optional) – _description_, defaults to False

    • +

  • correct_outer_leg (bool, optional) – _description_, defaults to False

    • +
+
+
+
+ +
+ +
+
+

4.3 The AirGaps class

+
+
+class femmt.Model.AirGaps(method: AirGapMethod, core: Core)
+

Contains methods and arguments to describe the air gaps in a magnetic component

+

An air gap can be added with the add_air_gap function. It is possible to set different positions and heights.

+
+
+__init__(method: AirGapMethod, core: Core)
+

Creates an AirGaps object. An AirGapMethod needs to be set. This determines the way the air gap will be added to the model. +In order to calculate the air gap positions the core object needs to be given.

+
+
Parameters:
+
    +

  • method (AirGapMethod) – The method determines the waay the air gap position is set.

    • +

  • core (Core) – The core object

    • +
+
+
+
+ +
+
+add_air_gap(leg_position: AirGapLegPosition, height: float, position_value: float | None = 0)
+

Brings a single air gap to the core.

+
+
Parameters:
+
    +

  • leg_posistion – CenterLeg, OuterLeg

    • +

  • position_value (float) – if AirGapMethod == Percent: 0…100, elif AirGapMethod == Manually: position hight in [m]

    • +

  • height (float) – Air gap height in [m]

    • +
+
+
+
+ +
+ +
+
+

4.4 The Insulation class

+
+
+class femmt.Model.Insulation
+

This class defines insulation for the model. +An insulation between the winding window and the core can always be set. +When having a inductor only the primary2primary insulation is necessary. +When having a (integrated) transformer secondary2secondary and primary2secondary insulations can be set as well.

+

Only the isolation between winding window and core is drawn as a “physical” isolation (4 rectangles). All other isolations +are only describing a set distance between the object.

+

In general it is not necessary to add an insulation object at all when no insulation is needed.

+
+
+__init__()
+

Creates an insulation object.

+

Sets an insulation_delta value. In order to simplify the drawing of the isolations between core and winding window the isolation rectangles +are not exactly drawn at the specified position. They are slightly smaller and the offset can be changed with the insulation_delta variable. +In general it is not recommended to change this value.

+
+ +
+
+add_core_insulations(top_core: float, bot_core: float, left_core: float, right_core: float)
+

Adds insulations between the core and the winding window. Creating those will draw real rectangles in the model.

+
+
Parameters:
+
    +

  • top_core (float) – Insulation between winding window and top core

    • +

  • bot_core (float) – Insulation between winding window and bottom core

    • +

  • left_core (float) – Insulation between winding window and left core

    • +

  • right_core (float) – Insulation between winding window and right core

    • +
+
+
+
+ +
+
+add_winding_insulations(inner_winding_insulations: List[float], virtual_winding_window_insulation: float = None)
+

Adds insulations between turns of one winding and insulation between virtual winding windows. +Insulation between virtual winding windows is not always needed.

+
+
Parameters:
+
    +

  • inner_winding_insulations (List[float]) – List of floats which represent the insulations between turns of the same winding. This does not correspond to the order conductors are added to the winding! Instead the winding number is important. The conductors are sorted by ascending winding number. The lowest winding number therefore is combined with index 0. The second lowest with index 1 and so on.

    • +

  • virtual_winding_window_insulation (float, optional) – Sets the distance between two winding windows, defaults to None

    • +
+
+
+
+ +
+ +
+
+

4.5 The Conductor class

+
+
+class femmt.Model.Conductor(winding_number: int, conductivity: float)
+

A winding defines a conductor which is wound around a magnetic component such as transformer or inductance. +The winding is defined by its conductor and the way it is placed in the magnetic component. To allow different +arrangements of the conductors in several winding windows (hexagonal or square packing, interleaved, …) in +this class only the conductor parameters are specified.

+
+
+__init__(winding_number: int, conductivity: float)
+

Creates an conductor object. +The winding_number sets the order of the conductors. Every conductor needs to have a unique winding number. +The conductor with the lowest winding number (starting from 0) will be treated as primary, second lowest number as secondary and so on.

+
+
Parameters:
+
    +

  • winding_number (int) – Unique number for the winding

    • +

  • conductivity (float) – Sets the conductivity for the conductor

    • +
+
+
+
+ +
+
+set_litz_round_conductor(conductor_radius: float, number_strands: int, strand_radius: float, fill_factor: float, conductor_arrangement: ConductorArrangement)
+

Only 3 of the 4 parameters are needed. The other one needs to be none

+
+ +
+ +
+
+

4.6 The WindingWindow class

+
+
+class femmt.Model.WindingWindow(core: Core, insulations: Insulation, stray_path: StrayPath = None, air_gaps: AirGaps = None)
+

Represents the winding window which is necessary for every model in FEMMT. +Depending on the type different virtual winding windows are created by this class which then contain the different conductors.

+
+
+__init__(core: Core, insulations: Insulation, stray_path: StrayPath = None, air_gaps: AirGaps = None)
+

Creates a winding window which then creates up to 4 virtual winding windows. In order to correctly calculate the +virtual winding windows the core, isolations, stray_path and air_gaps objects are needed. +The stray_path and air_gaps objects are only needed when having an integrated transformer.

+
+
Parameters:
+
    +

  • core (Core) – Core object

    • +

  • insulations (Insulation) – Insulation object

    • +

  • stray_path (StrayPath, optional) – Stray path object. Only needed for integrated transformer, defaults to None

    • +

  • air_gaps (AirGaps, optional) – Air gaps path object. Only needed for integrated transformer, defaults to None

    • +
+
+
+
+ +
+
+combine_vww(vww1: VirtualWindingWindow, vww2: VirtualWindingWindow) → VirtualWindingWindow
+

Combines the borders of two virtual winding windows.

+
+
Parameters:
+
+
+
Returns:
+

Virtual winding window with new bounds

+
+
Return type:
+

VirtualWindingWindow

+
+
+
+ +
+
+split_window(split_type: WindingWindowSplit, horizontal_split_factor: float = 0.5, vertical_split_factor: float = 0.5) → Tuple[VirtualWindingWindow]
+

Creates up to 4 virtual winding windows depending on the split type and the horizontal and vertical split factors. +The split factors are values beteen 0 and 1 and determine a horizontal and vertical line at which the window is split. +Not every value is needed for every split type: +- NoSplit: No factor is needed +- HorizontalSplit: Horizontal split factor needed +- VerticalSplit: Vertical split factor needed +- HorizontalAndVerticalSplit: Both split factors needed

+

Up to 4 virtual winding windows are returned: +- NoSplit: complete +- HorizontalSplit: left, right +- VerticalSplit: top, bottom +- HorizontalAndVerticalSplit: top_left, top_right, bot_left, bot_right

+
+
Parameters:
+
    +

  • split_type (WindingWindowSplit) – Determines the arrangement in which virtual winding windows are created

    • +

  • horizontal_split_factor (float, optional) – Horizontal split factor, defaults to 0.5

    • +

  • vertical_split_factor (float, optional) – Vertical split factor, defaults to 0.5

    • +
+
+
Returns:
+

Tuple containing the virtual winding windows

+
+
Return type:
+

Tuple[VirtualWindingWindow]

+
+
+
+ +
+ +
+
+

4.7 The VirtualWindingWindow class

+
+
+class femmt.Model.VirtualWindingWindow(bot_bound: float, top_bound: float, left_bound: float, right_bound: float)
+

A virtual winding window is the area, where either some kind of interleaved conductors or a one winding +(primary, secondary,…) is placed in a certain way.

+

An instance of this class will be automatically created when the Winding is added to the MagneticComponent

+
+
+__init__(bot_bound: float, top_bound: float, left_bound: float, right_bound: float)
+

Creates a virtual winding window with given bounds. By default a virtual winding window is created by the WindingWindow class. +The parameter values are given in metres and depend on the axisymmetric coordinate system.

+
+
Parameters:
+
    +

  • bot_bound (float) – Bottom bound

    • +

  • top_bound (float) – Top bound

    • +

  • left_bound (float) – Left bound

    • +

  • right_bound (float) – Right bound

    • +
+
+
+
+ +
+
+set_interleaved_winding(conductor1: Conductor, turns1: int, conductor2: Conductor, turns2: int, winding_scheme: InterleavedWindingScheme, winding_insulation: float)
+

Sets an interleaved winding to the current virtual winding window. An interleaved winding always contains two conductors. +If a conductor is primary or secondary is determined by the value of the winding number of the conductor. The order of the function parameters +is irrelevant.

+
+
Parameters:
+
    +

  • conductor1 (Conductor) – Conductor 1 which will be added to the vww. Not equal to primary winding.

    • +

  • turns1 (int) – Turns of conductor 1

    • +

  • conductor2 (Conductor) – Conductor 2 which will be added to the vww. Not equal to secondary winding.

    • +

  • turns2 (int) – Turns of conductor 2

    • +

  • winding_scheme (InterleavedWindingScheme) – Interleaved winding scheme defines the way the conductors are drawn

    • +

  • winding_insulation (float) – Isolation between the conductor 1 and conductor 2

    • +
+
+
+
+ +
+
+set_winding(conductor: Conductor, turns: int, winding_scheme: WindingScheme, wrap_para_type: WrapParaType = None)
+

Sets a single winding to the current virtual winding window. A single winding always contains one conductor.

+
+
Parameters:
+
    +

  • conductor (Conductor) – Conductor which will be set to the vww.

    • +

  • turns (int) – Number of turns of the conductor

    • +

  • winding_scheme (WindingScheme) – Winding scheme defines the way the conductor is wrapped. Can be set to None.

    • +

  • wrap_para_type (WrapParaType, optional) – Additional wrap parameter. Not always needed, defaults to None

    • +
+
+
+
+ +
+ +
+
+

4.8 The LogParser class

+
+
+class femmt.FEMMTLogParser(file_paths_dict: List[str])
+

Class to parse the electromagnetic_results_log file created by FEMMT. +Creates a class structure from the file in order to easy access the data and create plots.

+
+
+__init__(file_paths_dict: List[str])
+

Creates the data dict out of the given file_paths.

+
+
Parameters:
+

file_paths_dict (List[str]) – List of paths to every log file that should be added to the data.

+
+
+
+ +
+
+plot_frequency_sweep_losses(data_names: List[str], loss_parameter: str, plot_label: str = '') → None
+

Example function for a possible sweep plot. Sweeps over the frequency of different simulations from one or multiple files.

+
+
Parameters:
+
    +

  • data_names – Name of the data (keys of data dict). If the list is empty every key will be taken.

    • +

  • loss_parameter – Name of the variable from SweepData as str which will be set on the y axis.

    • +

  • plot_label – Title of the plot.

    • +
+
+
+
+ +
+
+plot_frequency_sweep_winding_params(data_names: str, winding_number: int, winding_parameter: str, plot_label: str = '') → None
+

Example function for a possible sweep plot. Sweeps over the frequency of different simulations from one or multiple files.

+
+
Parameters:
+
    +

  • data_names – Name of the data (keys of data dict). If the list is empty every key will be taken.

    • +

  • winding_numbers – Number of winding which shall be compared.

    • +

  • loss_type – Name of the variable from WindingData as str which will be set on the y axis.

    • +

  • plot_label – Title of the plot.

    • +
+
+
+
+ +
+ +
+
+class femmt.FileData(working_directory: str)
+

Contains paths to every folder and file needed in femmt.

+
+
+create_folders(*args) → None
+

Creates folder for every given folder path (if it does not exist).

+
+ +
+
+update_paths(working_directory: str) → None
+

Sets the local path based on the given working directory

+
+
Parameters:
+

working_directory (str) – working directory folder path

+
+
+
+ +
+ +
+
+class femmt.SweepData(frequency: int, core_eddy_losses: float, core_hyst_losses: float, winding_losses: float, windings: List[femmt.LogParser.WindingData])
+
+
+core_eddy_losses: float
+
+ +
+
+core_hyst_losses: float
+
+ +
+
+frequency: int
+
+ +
+
+winding_losses: float
+
+ +
+
+windings: List[WindingData]
+
+ +
+ +
+
+class femmt.WindingData(flux: complex, turns: int, self_inductance: complex, magnetic_field_energy: complex, voltage: complex, current: complex, active_power: float, reactive_power: float, apparent_power: float)
+
+
+active_power: float
+
+ +
+
+apparent_power: float
+
+ +
+
+current: complex
+
+ +
+
+flux: complex
+
+ +
+
+magnetic_field_energy: complex
+
+ +
+
+reactive_power: float
+
+ +
+
+self_inductance: complex
+
+ +
+
+turns: int
+
+ +
+
+voltage: complex
+
+ +
+ +
+
+

4.9 Enumerations

+
+
+class femmt.Enumerations.AirGapLegPosition(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Sets the core at which the air gap will be added. Currently only CenterLeg is supported. +Used when adding an air gap to the model.

+
+
+CenterLeg = 0
+

Air gap in center leg.

+
+ +
+
+LeftLeg = -1
+

Air gap in left leg.

+
+ +
+
+RightLeg = 1
+

Air gap in right leg.

+
+ +
+ +
+
+class femmt.Enumerations.AirGapMethod(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Sets the method how the air gap position (vertical) is set. +Used in AirGaps class.

+
+
+Center = 1
+

Only valid for one air gap. This air gap will always be placed in the middle (vertically)

+
+ +
+
+Manually = 3
+

The vertical position needs to be given manually. In metres.

+
+ +
+
+Percent = 2
+

A value between 0 and 100 will determine the vertical position.

+
+ +
+ +
+
+class femmt.Enumerations.ComponentType(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Sets the component type for the whole simulation. Needs to be given to the MagneticComponent on creation.

+
+
+Inductor = 1
+
+ +
+
+IntegratedTransformer = 3
+
+ +
+
+Transformer = 2
+
+ +
+ +
+
+class femmt.Enumerations.Conductivity(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Sets the conductivity of the conductor.

+
+
+Aluminium = 2
+
+ +
+
+Copper = 1
+
+ +
+ +
+
+class femmt.Enumerations.ConductorArrangement(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Set for round conductors when having a single conductor in the virtual winding window.

+
+
+Hexagonal = 3
+

Turns are drawn more compact. The turn of the next line slides in the empty space between two turns of the previous line. +Frist drawn in y-direction then x-direction.

+
+ +
+
+Square = 1
+

Turns are drawn in a grid (perfectly aligned). First drawn in y-direction then x-direction.

+
+ +
+
+SquareFullWidth = 2
+

Turns are drawn in a grid. First drawn in x-direction then in y-direction .

+
+ +
+ +
+
+class femmt.Enumerations.ConductorType(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Sets the type of the conductor.

+
+
+RectangularSolid = 3
+
+ +
+
+RoundLitz = 2
+
+ +
+
+RoundSolid = 1
+
+ +
+ +
+
+class femmt.Enumerations.ExcitationMeshingType(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

When running an excitation it is possible to not mesh at every frequency.

+
+
+MeshEachFrequency = 3
+
+ +
+
+MeshOnlyHighestFrequency = 2
+
+ +
+
+MeshOnlyLowestFrequency = 1
+
+ +
+ +
+
+class femmt.Enumerations.InterleavedWindingScheme(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Used when adding an interleaved winding to the virtual winding window.

+
+
+Bifilar = 1
+

Not implemented.

+
+ +
+
+HorizontalAlternating = 3
+

First and second winding are interleaved horizontally (cols)

+
+ +
+
+VerticalAlternating = 2
+

Not implemented. First and second winding are interleaved vertically (rows)

+
+ +
+
+VerticalStacked = 4
+

First winding is drawn bottom to top. Second winding is drawn top to bottom.

+
+ +
+ +
+
+class femmt.Enumerations.LossApproach(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Sets the way how losses will be calculated.

+
+
+LossAngle = 2
+
+ +
+
+Steinmetz = 1
+
+ +
+ +
+
+class femmt.Enumerations.PermeabilityType(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Sets the way how permeability data is recieved.

+
+
+FixedLossAngle = 1
+
+ +
+
+FromData = 3
+
+ +
+
+RealValue = 2
+
+ +
+ +
+
+class femmt.Enumerations.WindingScheme(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Used when adding a single winding to the virtual winding window. Only used with an +rectangular solid conductor.

+
+
+FoilHorizontal = 4
+

Foils are very wide (x-axis) and drawn along y-axis.

+
+ +
+
+FoilVertical = 3
+

Foils are very tall (y-axis) and drawn along x-axis.

+
+ +
+
+Full = 1
+

The whole virtual winding window is filled with one conductor.

+
+ +
+
+SquareFullWidth = 2
+

Not implemented. Foils are drawn along x-axis first and then along y-axis.

+
+ +
+ +
+
+class femmt.Enumerations.WindingType(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Internally used in VirtualWindingWindow class.

+
+
+Interleaved = 1
+
+ +
+
+Single = 2
+
+ +
+ +
+
+class femmt.Enumerations.WindingWindowSplit(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Determines how many virtual winding windowes are created by the winding window. Used in Winding window class.

+
+
+HorizontalAndVerticalSplit = 4
+

Splits winding window in four virtual winding windows separated by a horizontal and vertical line

+
+ +
+
+HorizontalSplit = 2
+

Splits winding window in two virtual winding windows which are separated by a horizontal line

+
+ +
+
+NoSplit = 1
+

Virtual winding window same size as winding window

+
+ +
+
+VerticalSplit = 3
+

Splits winding window in two virtual winding windows which are separated by a vertical line

+
+ +
+ +
+
+class femmt.Enumerations.WrapParaType(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)
+

Sets the wrap para type. Only necessary for a single conductor in a virtual winding window and a FoilVertical winding scheme.

+
+
+FixedThickness = 1
+

The foils have a fixed thickness given when creating the conductor. The virtual winding window +may not be fully occupied.

+
+ +
+
+Interpolate = 2
+

The foils will have a dynamic thickness. The thickness is chosen in such way that the virtual winding window is fully occupied. +The thickness parameter when creating the conductor is irrelevant.

+
+ +
+ +
+
+

4.10 Helper functions

+
+
+femmt.Functions.core_database() → Dict
+

Returns core geometry for defined core structures

+
+
Returns:
+

Dict including core_h, core_inner_diameter, window_h, window_w

+
+
Return type:
+

Dict

+
+
+
+ +
+
+femmt.Functions.litz_database() → Dict
+

Returns litz parameters for defined litz wires.

+
+
Returns:
+

Dict including litz parameters like strand_numbers, strand_radii and conductor_radii

+
+
Return type:
+

Dict

+
+
+
+ +
+
+femmt.Functions.wire_material_database() → Dict
+

Returns wire materials e.g. copper, aluminium in a dictionary

+
+
Returns:
+

Dict with materials and conductivity

+
+
Return type:
+

Dict

+
+
+
+ +
+
+
+

5 Developer Notes for FEMMT

+

This chapter contains some useful information when developing with femmt.

+
+

5.1 Winding creation

+

Since there are multiple possible virtual winding windows containing currently up to 2 conductors it is necessary to have a global order for every conductor. +This order is set by the winding_number which is given to the Conductor on creation. +This results in multiple lists containg the same conductor objects (called windings) in different objects:

+
    +

  1. Every virtual winding window contains a list of conductors. This list either contains one conductor (single winding) or two conductors (interleaved winding). When setting the interleaved winding the order of conductors is given by the order of the parameters. First given winding -> winding[0], second given winding -> winding[1].

    2. +

  2. The magnetic component contains a list of conductors too. This list contains every unique conductor from every virtual winding window. The order of the windings list in magnetic component is given by the winding_number (sorted in ascending order). This means that the conductor with the lowest winding_number is at position 0 of the winding list: windings[0].

    3. +
+

Example:

+

2 conductors are created: Conductor0(winding_index=0) and Conductor1(winding_index=1). Additionaly 2 virtual winding windows are created. +The first virtual winding window only contains Conductor0, the second virtual winding window contains both conductors. +The following winding lists are created:

+
    +

  • VirtualWindingWindow0: windings = [Conductor0]

    • +

  • VirtualWindingWindow1: windings = [Conductor0, Conductor1]

    • +

  • MagneticComponent: windings = [Conductor0, Conductor1]

    • +
+

If Conductor1 has a lower winding_index than Conductor0 only the list in magnetic component would change since it does not change +the parameter order for setInterleavedWinding() in VirtualWindingWindow1:

+
    +

  • MagneticComponent: windings = [Conductor1, Conductor0]

    • +
+

The order of the conductors in the magnetic component windings list is very important for the simulation. +When creating the model and running the simulation the order of the conductors in MagneticComponent.windings is used to determine +if the conductor is the primary, secondary (, tertiary, …) winding.

+

In the TwoDaxiSymmetric class points for every conductor are created. Those points are stored in a list called p_conductor. +p_conductor[0] is a list containing the points for every turn of the conductor with the lowest winding_index (primary winding). +p_conductors[1] is a list containing the points for every turn of the conductor with the second lowest winding_index (secondary winding).

+

Currently the magnetic solver only supports primary and secondary windings, therefore it is useless to create more conductors. +However the implemented structure is capable of working with n windings.

+
+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/main/0.4.0/introduction.html b/main/0.4.0/introduction.html new file mode 100644 index 00000000..df6a8df2 --- /dev/null +++ b/main/0.4.0/introduction.html @@ -0,0 +1,461 @@ + + + + + + + FEM Magnetics Toolbox (FEMMT) — FEM Magnetics Toolbox 0.4.0 documentation + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+ +
+
+
+
+ +
+

FEM Magnetics Toolbox (FEMMT)

+

Python toolbox to generate preconfigured figures for FEM simulation +tools in power electronics.

+

The toolbox contains two parts, a reluctance module and a FEM module.

+
    +

  • The reluctance module is for pre-calculations

    • +

  • The FEM module is for detailed calculations

    • +
+
+

Installation

+

To run FEMMT, python (version 3.8 or above) and onelab is needed.

+
+

ONELAB installation

+
    +

  • Go to https://onelab.info/

    • +

  • Download the Desktop Version for your OS (Windows, Linux or macOS)

    • +

  • Unpack the software and remember the file path. This will be needed +later when installing FEMMT.

    • +
+
+
+

Install FEMMT

+

FEMMT can be installed using the python pip package manager. +Either a release version can be installed using pip or a developement version by downloading this repository.

+ +
+

FEMMT development version (for developers only)

+

This is the latest development version with the latest features. Note: +You may need to install git. +Also have a look at the developers notes.

+
cd /Documents/Folder/of/Interest/FEMMT
+git clone git@github.com:upb-lea/FEM_Magnetics_Toolbox.git
+pip install -e .
+
+
+

FEMMT is using the material database. To use the latest version for developing, also install the material database in developer mode.

+
cd /Documents/Folder/of/Interest/materialdatabase
+git clone git@github.com:upb-lea/materialdatabase.git
+pip install -e .
+
+
+
+
+
+
+

Examples

+

This toolbox is able to build a complete FEM simulation from simple +Python code. The following figure shows the Python code on the left and +the corresponding FEM simulation on the right. image_femmt_screenshot

+

Code examples can be found in this example file. This file is updated +regulary.

+
+

Basics

+

The magnetic component can be an inductor, a transformer, or a +transformer with integrated stray path. The parameterization process is +divided into the following steps:

+
    +

  1. Chose simulation type,

    2. +

  2. set core parameters (geometry, material),

    3. +

  3. set air gap parameters (position, height),

    4. +

  4. set conductor parameters (litz/solid wire),

    5. +

  5. start simulation with given frequencies and currents and phases.

    6. +
+

Please have a look at the basic_example.

+

The examples contain among other things:

+
    +

  • Geometries: Coil, transformer, transformer with integrated stray path,

    • +

  • wire and stranded wire definition,

    • +

  • air gaps definition,

    • +

  • excitation with different frequencies, amplitudes and phases.

    • +
+

The simulation results can be found in working_directory/results/result_log_electro_magnetic.json. Working directory can either be set by the user otherwise it located at /python-side-packages-path/femmt. +In it you can find

+
    +

  • power loss in the core: hysteresis losses and eddy current losses,

    • +

  • losses per winding and for each individual winding,

    • +

  • self- and mutual inductances.

    • +
+

For a more detailed guide on how to create a model, plase have a look here.

+
+
+

Counting arrow system

+

Defined as depicted here:

+

image_counting_arrow_system

+
+
+
+

GUI (Experimental)

+

There is a first preview for a GUI. Installing this is a bit cumbersome +at first, but will be simplified in the future:

+
    +

  • Download the complete repository via Code -> Download ZIP and unpack it.

    • +

  • install the development version of femmt as described above

    • +

  • run python downloads/path-to_femmt/femmt/gui/femmt_gui.py

    • +
+

Please note, the GUI is experimental.

+

image_gui_definition

+
+
+

FEMM Validation (for developers only)

+

For verification purposes a FEMM model can be created in FEMMT. To do this +FEMM needs to be installed as well as the FEMM python package. +The functionality is limited, e.g. the air gaps are limited to the ‘center’-type. Other types, like ‘percent’ are not implemented.

+
+
+ + +
+
+
+ +
+ +
+

© Copyright 2024, LEA, Paderborn University.

+
+ + Built with Sphinx using a + theme + provided by Read the Docs. + + +
+
+
+
+
+ + + + \ No newline at end of file diff --git a/main/0.4.0/objects.inv b/main/0.4.0/objects.inv new file mode 100644 index 00000000..aee0b47e Binary files /dev/null and b/main/0.4.0/objects.inv differ diff --git a/main/0.4.0/py-modindex.html b/main/0.4.0/py-modindex.html new file mode 100644 index 00000000..30e09505 --- /dev/null +++ b/main/0.4.0/py-modindex.html @@ -0,0 +1,378 @@ + + + + + + Python Module Index — FEM Magnetics Toolbox 0.4.0 documentation + + + + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+
    +
    • +
  • Python Module Index
    • +
  • +
    • +
+
+
+
+
+ + +

Python Module Index

+ +
+ f +
+ + + + + + + + + + + + + +
 
+ f
+ femmt +
    + femmt.Enumerations +
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+ + +
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+ +
+

© Copyright 2024, LEA, Paderborn University.

+
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"current": [0, 1, 2, 3, 4], "up": [0, 2, 4], "2": [0, 1, 4], "conductor": [0, 1, 3], "i": [0, 2, 3, 4], "necessari": [0, 2, 4], "have": [0, 2, 3, 4], "global": [0, 2], "order": [0, 2, 4], "everi": [0, 2, 4], "set": [0, 1, 3], "winding_numb": [0, 2, 4], "which": [0, 2, 4], "given": [0, 2, 3, 4], "result": [0, 2, 3, 4], "list": [0, 2, 4], "conta": [0, 2], "same": [0, 2, 4], "object": [0, 2, 4], "call": [0, 2, 4], "differ": [0, 2, 3, 4], "either": [0, 2, 3, 4], "one": [0, 2, 4], "singl": [0, 1, 2, 4, 5], "two": [0, 2, 3, 4], "interleav": [0, 1, 2, 4, 5], "paramet": [0, 2, 3, 4], "first": [0, 2, 3, 4], "0": [0, 2, 4], "second": [0, 2, 4], "1": [0, 1, 4], "The": [0, 1, 3, 4], "magnet": 0, "compon": [0, 2, 3, 4], "too": [0, 2], "uniqu": [0, 2], "from": [0, 2, 3, 4], "sort": [0, 2], "ascend": [0, 2], "mean": [0, 2, 4], "lowest": [0, 2, 4], "posit": [0, 2, 3, 4], "exampl": [0, 1, 4], "creat": [0, 1, 3], "conductor0": [0, 2], "winding_index": [0, 2], "conductor1": [0, 2], "additionali": [0, 2], 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"user-guide-how-to-create-a-femmt-model"]], "2.1\u00a0\u00a0\u00a0Working directory": [[2, "working-directory"]], "2.2\u00a0\u00a0\u00a0Creating a core": [[2, "creating-a-core"]], "2.2.1\u00a0\u00a0\u00a0Material database": [[2, "material-database"]], "2.3\u00a0\u00a0\u00a0Adding air gaps to the core": [[2, "adding-air-gaps-to-the-core"]], "2.4\u00a0\u00a0\u00a0Set insulation distances": [[2, "set-insulation-distances"]], "2.5\u00a0\u00a0\u00a0Add windings to the winding window": [[2, "add-windings-to-the-winding-window"]], "2.5.1\u00a0\u00a0\u00a0Virtual Winding Windows": [[2, "virtual-winding-windows"]], "2.5.2\u00a0\u00a0\u00a0Winding types and winding schemes": [[2, "winding-types-and-winding-schemes"]], "2.5.2.1\u00a0\u00a0\u00a0ConductorArrangement": [[2, "conductorarrangement"]], "2.5.2.2\u00a0\u00a0\u00a0WrapParaType": [[2, "wrapparatype"]], "2.6\u00a0\u00a0\u00a0Add conductors": [[2, "add-conductors"]], "2.6.1\u00a0\u00a0\u00a0Add conductors to virtual winding windows": [[2, "add-conductors-to-virtual-winding-windows"]], "2.7\u00a0\u00a0\u00a0Create model and start simulation": [[2, "create-model-and-start-simulation"]], "2.8\u00a0\u00a0\u00a0[Optional] Create thermal simulation": [[2, "optional-create-thermal-simulation"]], "3\u00a0\u00a0\u00a0Winding types": [[2, "winding-types"]], "4\u00a0\u00a0\u00a0FEMMT class and function documentation": [[2, "femmt-class-and-function-documentation"]], "4.1\u00a0\u00a0\u00a0The MagneticComponent class": [[2, "the-magneticcomponent-class"]], "4.2\u00a0\u00a0\u00a0The Core class": [[2, "the-core-class"]], "4.3\u00a0\u00a0\u00a0The AirGaps class": [[2, "the-airgaps-class"]], "4.4\u00a0\u00a0\u00a0The Insulation class": [[2, "the-insulation-class"]], "4.5\u00a0\u00a0\u00a0The Conductor class": [[2, "the-conductor-class"]], "4.6\u00a0\u00a0\u00a0The WindingWindow class": [[2, "the-windingwindow-class"]], "4.7\u00a0\u00a0\u00a0The VirtualWindingWindow class": [[2, "the-virtualwindingwindow-class"]], 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"optional-create-thermal-simulation"]], "Winding types": [[5, "winding-types"]]}, "indexentries": {"airgaplegposition (class in femmt.enumerations)": [[2, "femmt.Enumerations.AirGapLegPosition"]], "airgapmethod (class in femmt.enumerations)": [[2, "femmt.Enumerations.AirGapMethod"]], "airgaps (class in femmt.model)": [[2, "femmt.Model.AirGaps"]], "aluminium (femmt.enumerations.conductivity attribute)": [[2, "femmt.Enumerations.Conductivity.Aluminium"]], "bifilar (femmt.enumerations.interleavedwindingscheme attribute)": [[2, "femmt.Enumerations.InterleavedWindingScheme.Bifilar"]], "center (femmt.enumerations.airgapmethod attribute)": [[2, "femmt.Enumerations.AirGapMethod.Center"]], "centerleg (femmt.enumerations.airgaplegposition attribute)": [[2, "femmt.Enumerations.AirGapLegPosition.CenterLeg"]], "componenttype (class in femmt.enumerations)": [[2, "femmt.Enumerations.ComponentType"]], "conductivity (class in femmt.enumerations)": [[2, "femmt.Enumerations.Conductivity"]], "conductor (class in femmt.model)": [[2, "femmt.Model.Conductor"]], "conductorarrangement (class in femmt.enumerations)": [[2, "femmt.Enumerations.ConductorArrangement"]], "conductortype (class in femmt.enumerations)": [[2, "femmt.Enumerations.ConductorType"]], "copper (femmt.enumerations.conductivity attribute)": [[2, "femmt.Enumerations.Conductivity.Copper"]], "core (class in femmt.model)": [[2, "femmt.Model.Core"]], "excitationmeshingtype (class in femmt.enumerations)": [[2, "femmt.Enumerations.ExcitationMeshingType"]], "femmtlogparser (class in femmt)": [[2, "femmt.FEMMTLogParser"]], "filedata (class in femmt)": [[2, "femmt.FileData"]], "fixedlossangle (femmt.enumerations.permeabilitytype attribute)": [[2, "femmt.Enumerations.PermeabilityType.FixedLossAngle"]], "fixedthickness (femmt.enumerations.wrapparatype attribute)": [[2, "femmt.Enumerations.WrapParaType.FixedThickness"]], "foilhorizontal (femmt.enumerations.windingscheme attribute)": [[2, "femmt.Enumerations.WindingScheme.FoilHorizontal"]], "foilvertical (femmt.enumerations.windingscheme attribute)": [[2, "femmt.Enumerations.WindingScheme.FoilVertical"]], "fromdata (femmt.enumerations.permeabilitytype attribute)": [[2, "femmt.Enumerations.PermeabilityType.FromData"]], "full (femmt.enumerations.windingscheme attribute)": [[2, "femmt.Enumerations.WindingScheme.Full"]], "hexagonal (femmt.enumerations.conductorarrangement attribute)": [[2, "femmt.Enumerations.ConductorArrangement.Hexagonal"]], "horizontalalternating (femmt.enumerations.interleavedwindingscheme attribute)": [[2, "femmt.Enumerations.InterleavedWindingScheme.HorizontalAlternating"]], "horizontalandverticalsplit (femmt.enumerations.windingwindowsplit attribute)": [[2, "femmt.Enumerations.WindingWindowSplit.HorizontalAndVerticalSplit"]], "horizontalsplit (femmt.enumerations.windingwindowsplit attribute)": [[2, "femmt.Enumerations.WindingWindowSplit.HorizontalSplit"]], "inductor (femmt.enumerations.componenttype attribute)": [[2, "femmt.Enumerations.ComponentType.Inductor"]], "insulation (class in femmt.model)": [[2, "femmt.Model.Insulation"]], "integratedtransformer (femmt.enumerations.componenttype attribute)": [[2, "femmt.Enumerations.ComponentType.IntegratedTransformer"]], "interleaved (femmt.enumerations.windingtype attribute)": [[2, "femmt.Enumerations.WindingType.Interleaved"]], "interleavedwindingscheme (class in femmt.enumerations)": [[2, "femmt.Enumerations.InterleavedWindingScheme"]], "interpolate (femmt.enumerations.wrapparatype attribute)": [[2, "femmt.Enumerations.WrapParaType.Interpolate"]], "leftleg (femmt.enumerations.airgaplegposition attribute)": [[2, "femmt.Enumerations.AirGapLegPosition.LeftLeg"]], "lossangle (femmt.enumerations.lossapproach attribute)": [[2, "femmt.Enumerations.LossApproach.LossAngle"]], "lossapproach (class in femmt.enumerations)": [[2, "femmt.Enumerations.LossApproach"]], "magneticcomponent (class in femmt.magneticcomponent)": [[2, "femmt.MagneticComponent.MagneticComponent"]], "manually (femmt.enumerations.airgapmethod attribute)": [[2, "femmt.Enumerations.AirGapMethod.Manually"]], "mesheachfrequency (femmt.enumerations.excitationmeshingtype attribute)": [[2, "femmt.Enumerations.ExcitationMeshingType.MeshEachFrequency"]], "meshonlyhighestfrequency (femmt.enumerations.excitationmeshingtype attribute)": [[2, "femmt.Enumerations.ExcitationMeshingType.MeshOnlyHighestFrequency"]], "meshonlylowestfrequency (femmt.enumerations.excitationmeshingtype attribute)": [[2, "femmt.Enumerations.ExcitationMeshingType.MeshOnlyLowestFrequency"]], "nosplit (femmt.enumerations.windingwindowsplit attribute)": [[2, "femmt.Enumerations.WindingWindowSplit.NoSplit"]], "percent (femmt.enumerations.airgapmethod attribute)": [[2, "femmt.Enumerations.AirGapMethod.Percent"]], "permeabilitytype (class in femmt.enumerations)": [[2, "femmt.Enumerations.PermeabilityType"]], "realvalue (femmt.enumerations.permeabilitytype attribute)": [[2, "femmt.Enumerations.PermeabilityType.RealValue"]], "rectangularsolid (femmt.enumerations.conductortype attribute)": [[2, "femmt.Enumerations.ConductorType.RectangularSolid"]], "rightleg (femmt.enumerations.airgaplegposition attribute)": [[2, "femmt.Enumerations.AirGapLegPosition.RightLeg"]], "roundlitz (femmt.enumerations.conductortype attribute)": [[2, "femmt.Enumerations.ConductorType.RoundLitz"]], "roundsolid (femmt.enumerations.conductortype attribute)": [[2, "femmt.Enumerations.ConductorType.RoundSolid"]], "single (femmt.enumerations.windingtype attribute)": [[2, "femmt.Enumerations.WindingType.Single"]], "square (femmt.enumerations.conductorarrangement attribute)": [[2, "femmt.Enumerations.ConductorArrangement.Square"]], "squarefullwidth (femmt.enumerations.conductorarrangement attribute)": [[2, "femmt.Enumerations.ConductorArrangement.SquareFullWidth"]], "squarefullwidth (femmt.enumerations.windingscheme attribute)": [[2, "femmt.Enumerations.WindingScheme.SquareFullWidth"]], "steinmetz (femmt.enumerations.lossapproach attribute)": [[2, "femmt.Enumerations.LossApproach.Steinmetz"]], "sweepdata (class in femmt)": [[2, "femmt.SweepData"]], "transformer (femmt.enumerations.componenttype attribute)": [[2, "femmt.Enumerations.ComponentType.Transformer"]], "verticalalternating (femmt.enumerations.interleavedwindingscheme attribute)": [[2, "femmt.Enumerations.InterleavedWindingScheme.VerticalAlternating"]], "verticalsplit (femmt.enumerations.windingwindowsplit attribute)": [[2, "femmt.Enumerations.WindingWindowSplit.VerticalSplit"]], "verticalstacked (femmt.enumerations.interleavedwindingscheme attribute)": [[2, "femmt.Enumerations.InterleavedWindingScheme.VerticalStacked"]], "virtualwindingwindow (class in femmt.model)": [[2, "femmt.Model.VirtualWindingWindow"]], "windingdata (class in femmt)": [[2, "femmt.WindingData"]], "windingscheme (class in femmt.enumerations)": [[2, "femmt.Enumerations.WindingScheme"]], "windingtype (class in femmt.enumerations)": [[2, "femmt.Enumerations.WindingType"]], "windingwindow (class in femmt.model)": [[2, "femmt.Model.WindingWindow"]], "windingwindowsplit (class in femmt.enumerations)": [[2, "femmt.Enumerations.WindingWindowSplit"]], "wrapparatype (class in femmt.enumerations)": [[2, "femmt.Enumerations.WrapParaType"]], "__init__() (femmt.femmtlogparser method)": [[2, "femmt.FEMMTLogParser.__init__"]], "__init__() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.__init__"]], "__init__() (femmt.model.airgaps method)": [[2, "femmt.Model.AirGaps.__init__"]], "__init__() (femmt.model.conductor method)": [[2, "femmt.Model.Conductor.__init__"]], "__init__() (femmt.model.core method)": [[2, "femmt.Model.Core.__init__"]], "__init__() (femmt.model.insulation method)": [[2, "femmt.Model.Insulation.__init__"]], "__init__() (femmt.model.virtualwindingwindow method)": [[2, "femmt.Model.VirtualWindingWindow.__init__"]], "__init__() (femmt.model.windingwindow method)": [[2, "femmt.Model.WindingWindow.__init__"]], "active_power (femmt.windingdata attribute)": [[2, "femmt.WindingData.active_power"]], "add_air_gap() (femmt.model.airgaps method)": [[2, "femmt.Model.AirGaps.add_air_gap"]], "add_core_insulations() (femmt.model.insulation method)": [[2, "femmt.Model.Insulation.add_core_insulations"]], "add_winding_insulations() (femmt.model.insulation method)": [[2, "femmt.Model.Insulation.add_winding_insulations"]], "apparent_power (femmt.windingdata attribute)": [[2, "femmt.WindingData.apparent_power"]], "combine_vww() (femmt.model.windingwindow method)": [[2, "femmt.Model.WindingWindow.combine_vww"]], "core_database() (in module femmt.functions)": [[2, "femmt.Functions.core_database"]], "core_eddy_losses (femmt.sweepdata attribute)": [[2, "femmt.SweepData.core_eddy_losses"]], "core_hyst_losses (femmt.sweepdata attribute)": [[2, "femmt.SweepData.core_hyst_losses"]], "create_folders() (femmt.filedata method)": [[2, "femmt.FileData.create_folders"]], "create_model() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.create_model"]], "current (femmt.windingdata attribute)": [[2, "femmt.WindingData.current"]], "excitation_sweep() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.excitation_sweep"]], "femm_reference() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.femm_reference"]], "femm_thermal_validation() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.femm_thermal_validation"]], "femmt.enumerations": [[2, "module-femmt.Enumerations"]], "femmt.functions": [[2, "module-femmt.Functions"]], "flux (femmt.windingdata attribute)": [[2, "femmt.WindingData.flux"]], "frequency (femmt.sweepdata attribute)": [[2, "femmt.SweepData.frequency"]], "litz_database() (in module femmt.functions)": [[2, "femmt.Functions.litz_database"]], 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"femmt.MagneticComponent.MagneticComponent.set_core"]], "set_insulation() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.set_insulation"]], "set_interleaved_winding() (femmt.model.virtualwindingwindow method)": [[2, "femmt.Model.VirtualWindingWindow.set_interleaved_winding"]], "set_litz_round_conductor() (femmt.model.conductor method)": [[2, "femmt.Model.Conductor.set_litz_round_conductor"]], "set_stray_path() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.set_stray_path"]], "set_winding() (femmt.model.virtualwindingwindow method)": [[2, "femmt.Model.VirtualWindingWindow.set_winding"]], "set_winding_window() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.set_winding_window"]], "single_simulation() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.single_simulation"]], "split_window() (femmt.model.windingwindow method)": [[2, "femmt.Model.WindingWindow.split_window"]], "thermal_simulation() (femmt.magneticcomponent.magneticcomponent method)": [[2, "femmt.MagneticComponent.MagneticComponent.thermal_simulation"]], "turns (femmt.windingdata attribute)": [[2, "femmt.WindingData.turns"]], "update_paths() (femmt.filedata method)": [[2, "femmt.FileData.update_paths"]], "voltage (femmt.windingdata attribute)": [[2, "femmt.WindingData.voltage"]], "winding_losses (femmt.sweepdata attribute)": [[2, "femmt.SweepData.winding_losses"]], "windings (femmt.sweepdata attribute)": [[2, "femmt.SweepData.windings"]], "wire_material_database() (in module femmt.functions)": [[2, "femmt.Functions.wire_material_database"]]}}) \ No newline at end of file diff --git a/main/0.4.0/user_guide_model_creation.html b/main/0.4.0/user_guide_model_creation.html new file mode 100644 index 00000000..c56653d5 --- /dev/null +++ b/main/0.4.0/user_guide_model_creation.html @@ -0,0 +1,889 @@ 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User Guide: How to create a FEMMT model

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This guide explains how a model can be created in femmt and provides all +the necessary information to work with femmt. Many examples for femmt +models can be found in the example folder.

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+

Working directory

+

Every femmt model has a working directory which can be set when creating +an instance of the femmt base class called ‘MagneticComponent’. When +running the simulation many files will be created in the working +directory including the model, mesh and multiple result files. It also +contains the electro_magnetic_log.json which the most important +simulation results (e.g. losses, inductance, …).

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Besides the working directory a MagneticComponent also needs a +ComponentType. Currently this can be ‘Inductor’, ‘Transformer’ or +‘IntegratedTransformer’.

+

This results to the following code:

+
import femmt as fmt
+
+geo = fmt.MagneticComponent(component_type=fmt.ComponentType.Inductor, working_directory=working_directory, silent=False)
+
+
+

Note about the silent-flag. In case of False, all outputs are printed in the terminal. In case of True, no command line outputs are shown. This simple feature significantly speeds up simulation time, especially for many automated simulations.

+
+
+

Creating a core

+

In general, only 2D rotationally symmetric geometries are represented in +FEMMT. Other core shapes must first be converted to a 2D rotationally +symmetric shape. The corresponding values for this (diameter core, +dimensions of the winding window) are taken from the data sheet. +Afterwards, a corresponding geometry is generated automatically.

+

The following graphics always show only a sectional view of the core +geometry.

+_images/geometry_translated.png +

After creating a MagneticComponent a core needs to be created. The core +needs spatial parameters as well as material parameters. The neccessary +spatial parameters are shown in the image below.

+_images/geometry_core.png +

Core spatial parameters can be entered manually but FEMMT provides a +database of different practical cores. This database can be accessed +using:

+
core_db = fmt.core-database()["PQ 40/40"]
+
+
+

Now the core object can be created and added to the model (geo object)

+
core = fmt.Core(core_inner_diameter=core_db["core_inner_diameter"], window_w=core_db["window_w"], window_h=core_db["window_h"], material="N95", temperature=25, frequency=100000, datasource="manufacturer_datasheet")
+core.set_core(core)
+
+
+
+

Material database

+

The material database was already introduced in the upper code example with the material= parameter. The temperature as well as the frequency are necessary to pick the corresponding data from the datasheet.

+
+
+
+

Adding air gaps to the core

+

In the next steps air gaps can be added. Currently it is only possible +to add air gaps in the center leg, there for the ‘AirGapLegPosition’ is +always ‘CenterLeg’. To set the vertical position for a air gap multiple +methods are available:

+
    +

  • Center: The air gap will always be positioned in the center

    • +

  • Percent: A value between 0 and 100 can be given. Where 0 +represents the bottom end and 100 the top end of the winding window.

    • +

  • Manually: The specific y coordinate nneeds to be entered +manually.

    • +
+_images/geometry_air_gap.png +

Have a look at the following example on how to create an air gap object +and add it to the model:

+
air_gaps = fmt.AirGaps(method=fmt.AirGapMethod.Percent, core=core)
+air_gaps.add_air_gap(leg_position=fmt.AirGapLegPosition.CenterLeg, height=0.0005, position_value=50)
+geo.set_air_gaps(air_gaps)
+
+
+

Adding an air_gap object is not necessary. If no air gap is needed, +don’t add the air gap object to the model.

+
+
+

Set insulation distances

+

There are multiple insulations implemented in femmt. Some of them are +created as rectangles in the model, some are just adding an offset to +the windings.

+

Core insulations are the insulations which are created as rectangles in +the model. 4 core insulations will be added: top, left, bottom, right. +The distance of those values can be set with the ‘add_core_insulations’ +function.

+

Furthermore there are offset insulations between each turn in the same +winding, a distance between 2 windings in one virtual winding window and +a distance between each virtual winding window. The first two are set +using the ‘add_winding_insulations’ functions, the last one when +creating such a virtual winding window (vww).

+

The function ‘add_winding_insulations’ therefore needs multiple +parameters:

+
    +

  • The first parameter is a list called inner_windings, where the +list index corresponds to the number of the winding (0: Primary, 1: +Secondary, …).

    • +

  • The second parameter is the distance between two virtual winding +windows, this is called virtual_winding_window_insulation.

    • +
+_images/geometry_insulation.png +

This is how to create an insulation object and add certain insulations:

+
insulation = fmt.Insulation()
+insulation.add_core_insulation(0.001, 0.001, 0.004, 0.001)
+insulation.add_winding_insulation([0.0005], 0.0001)
+geo.set_insulation(insulation)
+
+
+

The spatial parameters for the insulation, as well as for every other +function in FEMMT, are always in SI-Units, in this case metres.

+
+
+

Add windings to the winding window

+

In order to understand the way winding windows work in femmt, the +concept of virtual winding windows must be explained:

+
+

Virtual Winding Windows

+

For every femmt model there is always one winding window, which is a 2D +representation of the 3D rotated winding window. This winding window can +be split into multiple virtual winding windows which are used to draw +the conductors. There are multiple ways to split a winding window:

+
    +

  • NoSplit: Only 1 virtual winding window will be returned and it +has the same size as the real winding window.

    • +

  • HorizontalSplit: 2 virtual winding windows will be returned, one +for the top and one for the bottom part. The height of the splitting +line can be set using a horizontal_split_factor (value between 0 and +1)

    • +

  • VerticalSplit: 2 virtual winding windows will be returned, one +for the left and one for the right part. The radius (x-coordinate) of +the splitting line can be set using a vertical_split_factor (value +between 0 and 1)

    • +

  • HorizontalAndVerticalSplit: 4 virtual winding windows are +returned. One for each corner (in the following order): top_left, +top_right, bottom_left, bottom_right. In this case the horizontal and +vertical split factors can be used to set the sizes of each grid +cell.

    • +
+_images/geometry_winding_windows.png +

In addition to that 2 virtual winding windows can be combined to one +(this is not possible for (top_left, bottom_right) or (top_right, +bottom_left) combinations). This is done using the combine_vww() +function of the WindingWindow class.

+

Each virtual winding window can be filled with either one single winding +or one interleaved winding.

+

A winding window with only one virtual winding window can be craeted +like this:

+
winding_window = fmt.WindingWindow(core, insulation)
+vww = winding_window.split_window(fmt.WindingWindowSplit.NoSplit)
+
+
+
+
+

Winding types and winding schemes

+

The following table gives an overview of the different winding types, +winding schemes and conductor arrangements:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

WindingType

ConductorType

WindingScheme

ConductorArrangement

WrapParaType

status

description

Interleaved

Always needs 2 conductors

RoundSolid, RoundLitz

Bifilar

not implemented

TODO

VerticalAlternating

not implemented

primary and secondary winding are interleaved vertically (rows)

HorizontalAlternating

implemented

primary and secondary winding are interleaved horizontally (cols)

VerticalStacked

implemented

primary winding is drawn bottom to top, seoncdary winmding is drawn top to bottom

Square

“

Hexagonal

“

RectangularSolid

not implemented

Single

Always needs 1 conductor

RoundSolid, RoundLitz

None

implemented

Square

“

Square full width

“

Hexagonal

“

RectangularSolid

Full

implemented

whole virtual winding window contains is filled with one turn

FoilHorizontal (stacked)

implemented

foils are very long (x-axis) and drawn along y-axis

Square full width

not implemented

foils are drawn along x-axis first and then along y-axis

FoilVertical

implemented

foils are very tall (y-axis) and drawn along x-axis

Fixed Thickness

“

Interpolate

“

+
+

ConductorArrangement

+
    +

  • Square: conductors are set in next to each other in a grid

    • +

  • Hexagonal: similar to square but in this case the conductors +frpmo the next column slips in the free space between two conductors +from the first column

    • +

  • Square full width: conducors are first drawn along x-axis and +then y-axis

    • +
+
+
+

WrapParaType

+
    +

  • Fixed thickness: TODO

    • +

  • Interpolate: TODO

    • +
+

Images for the possible winding types can be found here.

+
+
+
+
+

Add conductors

+

When creating an instance of the class Conductor a winding number and a +conductivity needs to be given:

+

The winding number represents the index of the winding (e.g. primary->1, +secondary->2, tertiary->3). As an example: When starting a simulation on +a transformer a current needs to be given, this is done in a list. The +first index of the current’s list will be set to the winding with the +lowest winding number, the second index of the list to the winding with +the second lowest winding number and so on.

+

The conductivity can be set using the Conductivity enum where one of two +possible materials need to be selected:

+
    +

  • Copper

    • +

  • Aluminium

    • +
+

After creating an conductor object it is necessary to add a conductor to +it. As already shown in the winding types table 3 different conducors +can be set:

+
    +

  • RoundSolid

    • +

  • RoundLitz

    • +

  • RectangularSolid

    • +
+

To create a conductor have a look at the following code example:

+
winding1 = fmt.Conductor(winding_number=0, conductivity=fmt.Conductivity.Copper)
+winding1.set_solid_round_conductor(conductor_radius=0.0011, conductor_arrangement=fmt.ConductorArrangement.Square)
+
+
+
+

Add conductors to virtual winding windows

+

Now the conductors need to be added to the virtual winding windows with +the corresponding winding type and winding scheme. In this case the +set_winding() or set_interleaved_winding() function needs to be called. +In the set_interleaved_winding() function an insulation distance can +also be set. This value represents the distance between conductors from +the primary and secondary side.

+
vww.set_winding(conductor=winding1, turns=9, winding_scheme=None)
+
+
+

If you have a look at the winding types and windng schemes table a +winding scheme is not needed when creating a round solid conductor in +single winding. Therefore the value is set to None.

+

Now before simulating the winding window needs to be added to the model +as well:

+
geo.set_winding_window(winding_window=winding_window)
+
+
+
+
+
+

Create model and start simulation

+

After every needed component is added to the model the model can be +created. This is done using the create_model() function. The frequency +is needed there because of the mesh which is adapted according to the +skin depth. In addition to that a boolean can be given to show the model +after creation (in gmsh).

+

The last step is to run a simulation using single_simulation(), which +needs the frequency, currents (and phase if transformer is set) as +parameters.

+
geo.create_model(freq=100000, visualize_before=True, save_png=False)
+geo.single_simulation(freq=100000, current=[4.5], show_results=True)
+
+
+

The results should look like this:

+
+
+

[Optional] Create thermal simulation

+

After running the electromagnetic simulation it is possible to use the +simulation results and the created model and start a thermal simulation. +The thermal simulation will add a case surrounding the previous created +model. At the edge of this case the boundary condition is applied and +the thermal conductivity as well as the dimensions of the case can be +choosen freely. This case is split into 5 parts: top, top right, right, +bot right, bot. For each region a different thermal conductivity and +boundary condition can be set. In order to run thermal a thermal +simulation different values are needed:

+
    +

  • thermal conductivity dict: A dictionary containing thermal +conductivities for each region. The regions are: air, core, winding, +air_gaps, insulation, case (which is split in top, top_right, right, +bot_right, bot

    • +

  • case gap values: Set the size of the surrounding case

    • +

  • boundary temperatures dict: The temperatures which will be applied at +the edge of the case (dirichlet boundary condition)

    • +

  • boundary flags: By disabling a specific boundary its condition can be +set to a neumann boundary condition ignoring the temperature +parameter

    • +
+_images/geometry_thermal.png +

Have a look at this example on how to set the parameters since the +dictionary keywords are important to write correctly:

+
thermal_conductivity_dict = {
+        "air": 0.0263,
+        "case": {
+            "top": 0.122,
+            "top_right": 0.122,
+            "right": 0.122,
+            "bot_right": 0.122,
+            "bot": 0.122
+        },
+        "core": 5,
+        "winding": 400,
+        "air_gaps": 180,
+        "insulation": 0.42
+}
+
+case_gap_top = 0.002
+case_gap_right = 0.0025
+case_gap_bot = 0.002
+
+boundary_temperatures = {
+    "value_boundary_top": 20,
+    "value_boundary_top_right": 20,
+    "value_boundary_right_top": 20,
+    "value_boundary_right": 20,
+    "value_boundary_right_bottom": 20,
+    "value_boundary_bottom_right": 20,
+    "value_boundary_bottom": 20
+}
+
+boundary_flags = {
+    "flag_boundary_top": 0,
+    "flag_boundary_top_right": 0,
+    "flag_boundary_right_top": 1,
+    "flag_boundary_right": 1,
+    "flag_boundary_right_bottom": 1,
+    "flag_boundary_bottom_right": 1,
+    "flag_boundary_bottom": 1
+}
+
+
+

In the boundary_flags dictionary 2 flags are set to 0 which means there +will be a neumann boundary applied. Please have a look at the picture +above which shows the current selected boundaries.

+

In the following table a possible set of thermal conductivities can be +found:

+ + + + + + + + + + + + + + + + + + + + + + + + +

Material

Thermal conductivity

air (background)

0.0263

epoxy resign (used in case)

1.54

ferrite (core)

5

copper (winding)

400

aluminiumnitride (air gaps)

180

polyethylen (insulation)

0.42

+

The thermal simulation will solve the stationary heat equation and since +no convection is considered every material is assumed to be solid. Now +the simulation can be run:

+
geo.thermal_simulation(thermal_conductivity_dict, boundary_temperatures, boundary_flags, case_gap_top, case_gap_right, case_gap_bot, True, True)
+
+
+

The following image shows the simulation results:

+_images/user_guide_example_thermal_simulation.png +
+
+ + +
+
+
+ +
+ +
+

© Copyright 2024, LEA, Paderborn University.

+
+ + Built with Sphinx using a + theme + provided by Read the Docs. + + +
+
+
+
+
+ + + + \ No newline at end of file diff --git a/main/0.4.0/winding_types.html b/main/0.4.0/winding_types.html new file mode 100644 index 00000000..2e4013bf --- /dev/null +++ b/main/0.4.0/winding_types.html @@ -0,0 +1,388 @@ + + + + + + + Winding types — FEM Magnetics Toolbox 0.4.0 documentation + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+ +
+
+
+
+ +
+

Winding types

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Single_Square

Single Hexagonal

Single Full

image0

image1

image2

Single_SquareFullWidth

Single FoilHorizontal

Single FoilVertical (fixed thickness)

image3

image4

image5

Single FoilVertical (interpolate)

Interleaved HorizontalAlternating

Interleaved VerticalStacked (square)

image6

image7

image8

Interleaved VerticalStacked (hexagonal)

image9

+
+ + +
+
+
+ +
+ +
+

© Copyright 2024, LEA, Paderborn University.

+
+ + Built with Sphinx using a + theme + provided by Read the Docs. + + +
+
+
+
+
+ + + + \ No newline at end of file diff --git a/main/_images/counting_arrow_system.png b/main/_images/counting_arrow_system.png index ad3533fd..9e8d4e4d 100644 Binary files a/main/_images/counting_arrow_system.png and b/main/_images/counting_arrow_system.png differ diff --git a/main/_images/geometry_core_developer_notes.png b/main/_images/geometry_core_developer_notes.png new file mode 100644 index 00000000..8e4b9a78 Binary files /dev/null and b/main/_images/geometry_core_developer_notes.png differ diff --git a/main/_images/geometry_core_naming_convention.png b/main/_images/geometry_core_naming_convention.png new file mode 100644 index 00000000..4f886b03 Binary files /dev/null and b/main/_images/geometry_core_naming_convention.png differ diff --git a/main/_images/pycharm_configuration_pro_files.png b/main/_images/pycharm_configuration_pro_files.png new file mode 100644 index 00000000..4504e25d Binary files /dev/null and b/main/_images/pycharm_configuration_pro_files.png differ diff --git a/main/_sources/developer_notes.rst.txt b/main/_sources/developer_notes.rst.txt index 88ef613c..b9215538 100644 --- a/main/_sources/developer_notes.rst.txt +++ b/main/_sources/developer_notes.rst.txt @@ -3,6 +3,39 @@ Developer Notes for FEMMT This chapter contains some useful information when developing with femmt. + +Variable naming +---------------- + +The variable naming is defined as shown in this section. Note that the names should be as given here. **No acronyms**, like ``f`` or ``freq`` **for** ``frequency``. + +|geometry_core_developer_notes| +|geometry_core_naming_convention| + +Geometry variables +~~~~~~~~~~~~~~~~~~ +* ``core_inner_diameter``: core inner diameter +* ``window_w``: width of winding window +* ``winding_h``: height of winding window +* ``r_inner``: core_inner_diameter / 2 + winding_w +* ``r_outer``: core outer radius, calculated by software for same cross-section as inner cylinder + +Additional variables for integrated transformer +* ``window_h_top``: height of top winding window +* ``window_h_bot``: height of bottom winding window + +currents, temperature +~~~~~~~~~~~~~~~~~~~~~ +* ``temperature``: temperature (Do **not** use ``T``, ``temp``, ...) +* ``frequency``: frequency (Do **not** use ``f``, ``freq``, ...) + +Material variables +~~~~~~~~~~~~~~~~~~ +* ``mu_r_abs``: absolute value of mu_r +* ``mu_r_real``: real part of mu_r +* ``mu_r_imag``: imaginary part of mu_r + + Winding creation ----------------- @@ -37,4 +70,50 @@ p_conductor[0] is a list containing the points for every turn of the conductor w p_conductors[1] is a list containing the points for every turn of the conductor with the second lowest winding_index (secondary winding). Currently the magnetic solver only supports primary and secondary windings, therefore it is useless to create more conductors. -However the implemented structure is capable of working with n windings. \ No newline at end of file +However the implemented structure is capable of working with n windings. + + +General file overview +--------------------- + +* ``.pro``: solver files for communication between python and the solver +* ``.pos``: field results +* ``.dat``: integrated field results +* ``.msh``: mesh files + +Recommended Pycharm settings +--------------------------------------------------------------- + +Exclude simulation directory from indexing +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Especially when performing Pareto optimizations in the example directory, Pycharm gets slow during indexing. To avoid this, you can use another directory or exclude the ``example_results`` direcory from the project, as shown in the following steps: +``File`` -> ``Settings`` -> ``project structure``, select the folders you need (e.g. ``femmt/examples/example_results``, ``right click`` and click ``exlcuded``. + +Line length +~~~~~~~~~~~ + +``File`` -> ``Settings`` -> ``Editor`` -> ``Code Style`` +Set the max. lenth to ``160``. + +Pycharm code highlightning for pro-files +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +|image_pycharm_configuration_pro_files| + +.. |geometry_core_developer_notes| image:: ../images/geometry_core_developer_notes.png +.. |geometry_core_naming_convention| image:: ../images/geometry_core_naming_convention.png +.. |image_pycharm_configuration_pro_files| image:: ../images/pycharm_configuration_pro_files.png + + +Lint check +--------------------------------------------------------------- + +run +``pycodestyle $(git ls-files '*.py')`` +to check all your files for correct linting. + +also run +``ruff check $(git ls-files '*.py')`` + +For windows users, use the pycharm integrated ``Git Bash``. diff --git a/main/_sources/introduction.rst.txt b/main/_sources/introduction.rst.txt index 3a0ea3b1..bad949c1 100644 --- a/main/_sources/introduction.rst.txt +++ b/main/_sources/introduction.rst.txt @@ -4,7 +4,7 @@ FEM Magnetics Toolbox (FEMMT) Python toolbox to generate preconfigured figures for FEM simulation tools in power electronics. -The toolbox contains two parts, a reluctance module and a FEM module. +The toolbox contains two parts, a reluctance module and a FEM module. * The reluctance module is for pre-calculations * The FEM module is for detailed calculations @@ -26,7 +26,7 @@ Install FEMMT ~~~~~~~~~~~~~~~~~ FEMMT can be installed using the python pip package manager. -Either a release version can be installed using pip or a developement version by downloading this repository. +Either a release version can be installed using pip or a development version by downloading this repository. FEMMT release version (recommended) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -78,20 +78,22 @@ The magnetic component can be an inductor, a transformer, or a transformer with integrated stray path. The parameterization process is divided into the following steps: -1. Chose simulation type, +1. Choose the simulation type, whether it's frequency domain or time domain simulation, 2. set core parameters (geometry, material), -3. set air gap parameters (position, height), -4. set conductor parameters (litz/solid wire), -5. start simulation with given frequencies and currents and phases. +3. set air gap parameters (position, height), +4. set insulation distances +5. set conductor parameters (litz/solid wire), +6. start the frequency domain simulation by specifying the given frequencies, currents, and phases, and start the time domain simulation by specifying the given currents, and time parameters. -Please have a look at the `basic_example `__. +Please have a look at the `basic_example `__ for frequency domain simulation, and +at the `basic_example `__ for time domain simulation. The examples contain among other things: * Geometries: Coil, transformer, transformer with integrated stray path, * wire and stranded wire definition, * air gaps definition, -* excitation with different frequencies, amplitudes and phases. +* excitation with different frequencies, amplitudes and phases for frequency domain simulation, and with amplitudes and time steps for time domain simulation. The simulation results can be found in `working_directory/results/result_log_electro_magnetic.json`. Working directory can either be set by the user otherwise it located at `/python-side-packages-path/femmt`. In it you can find @@ -100,7 +102,7 @@ In it you can find * losses per winding and for each individual winding, * self- and mutual inductances. -For a more detailed guide on how to create a model, plase have a look :ref:`here `. +For a more detailed guide on how to create a model, please have a look :ref:`here `. Counting arrow system ~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/main/_sources/user_guide_model_creation.rst.txt b/main/_sources/user_guide_model_creation.rst.txt index 701b6695..561525dc 100644 --- a/main/_sources/user_guide_model_creation.rst.txt +++ b/main/_sources/user_guide_model_creation.rst.txt @@ -9,15 +9,15 @@ Working directory -------------------- Every femmt model has a working directory which can be set when creating -an instance of the femmt base class called 'MagneticComponent'. When +an instance of the femmt base class called ``MagneticComponent``. When running the simulation many files will be created in the working directory including the model, mesh and multiple result files. It also contains the electro_magnetic_log.json which the most important simulation results (e.g. losses, inductance, ...). -Besides the working directory a MagneticComponent also needs a -ComponentType. Currently this can be 'Inductor', 'Transformer' or -'IntegratedTransformer'. +Besides the working directory a ``MagneticComponent`` also needs a +``ComponentType``. Currently this can be '``Inductor``', '``Transformer``' or +'``IntegratedTransformer``'. This results to the following code: @@ -25,10 +25,22 @@ This results to the following code: import femmt as fmt - geo = fmt.MagneticComponent(component_type=fmt.ComponentType.Inductor, working_directory=working_directory, silent=False) + geo = fmt.MagneticComponent(simulation_type=fmt.SimulationType.FreqDomain, + component_type=fmt.ComponentType.Transformer, working_directory=working_directory, + verbosity=fmt.Verbosity.ToConsole, is_gui=is_test) -Note about the silent-flag. In case of False, all outputs are printed in the terminal. In case of True, no command line outputs are shown. This simple feature significantly speeds up simulation time, especially for many automated simulations. +The ``simulation_type`` specifies the type of simulation to be performed. +- If set to ``FreqDomain``, indicating a frequency domain simulation. +- If set to ``TimeDomain``, indicating a time domain simulations. + +The ``Verbosity`` controls the level of detail in the output. + +- If set to ``ToConsole``, all output messages are shown in the commend line . +- If set to ``ToFile``, all output messages are written to files. +- If set to ``Silent``, no command line outputs are shown. + +This simple feature significantly speeds up simulation time, especially for many automated simulations. Creating a core ------------------ @@ -43,14 +55,14 @@ The following graphics always show only a sectional view of the core geometry. .. image:: ../images/geometry_translated.png - :width: 800 + :width: 800 -After creating a MagneticComponent a core needs to be created. The core +After creating a MagneticComponent, a core needs to be created. The core needs spatial parameters as well as material parameters. The neccessary spatial parameters are shown in the image below. .. image:: ../images/geometry_core.png - :width: 800 + :width: 800 Core spatial parameters can be entered manually but FEMMT provides a database of different practical cores. This database can be accessed @@ -58,14 +70,28 @@ using: .. code:: python - core_db = fmt.core-database()["PQ 40/40"] + core_db = fmt.core_database()["PQ 40/40"] Now the core object can be created and added to the model (geo object) .. code:: python - core = fmt.Core(core_inner_diameter=core_db["core_inner_diameter"], window_w=core_db["window_w"], window_h=core_db["window_h"], material="N95", temperature=25, frequency=100000, datasource="manufacturer_datasheet") - core.set_core(core) + core_dimensions = fmt.dtos.SingleCoreDimensions(core_inner_diameter=core_db["core_inner_diameter"], + window_w=core_db["window_w"], + window_h=core_db["window_h"], + core_h=core_db["core_h"]) + + core = fmt.Core(core_type=fmt.CoreType.Single, + core_dimensions=core_dimensions, + detailed_core_model=False, + material=mdb.Material.N49, temperature=45, frequency=inductor_frequency, + permeability_datasource=fmt.MaterialDataSource.Measurement, + permeability_datatype=fmt.MeasurementDataType.ComplexPermeability, + permeability_measurement_setup=mdb.MeasurementSetup.LEA_LK, + permittivity_datasource=fmt.MaterialDataSource.Measurement, + permittivity_datatype=fmt.MeasurementDataType.ComplexPermittivity, + permittivity_measurement_setup=mdb.MeasurementSetup.LEA_LK, mdb_verbosity=fmt.Verbosity.Silent) + geo.set_core(core) Material database ~~~~~~~~~~~~~~~~~ @@ -84,11 +110,11 @@ methods are available: - **Center**: The air gap will always be positioned in the center - **Percent**: A value between 0 and 100 can be given. Where 0 represents the bottom end and 100 the top end of the winding window. -- **Manually**: The specific y coordinate nneeds to be entered +- **Manually**: The specific y-coordinate needs to be entered manually. .. image:: ../images/geometry_air_gap.png - :width: 800 + :width: 800 Have a look at the following example on how to create an air gap object and add it to the model: @@ -99,6 +125,7 @@ and add it to the model: air_gaps.add_air_gap(leg_position=fmt.AirGapLegPosition.CenterLeg, height=0.0005, position_value=50) geo.set_air_gaps(air_gaps) + Adding an air_gap object is not necessary. If no air gap is needed, don't add the air gap object to the model. @@ -110,37 +137,35 @@ created as rectangles in the model, some are just adding an offset to the windings. Core insulations are the insulations which are created as rectangles in -the model. 4 core insulations will be added: top, left, bottom, right. -The distance of those values can be set with the 'add_core_insulations' -function. +the model. 4 core insulations will be added: top, bottom, left, right. +The distance of those values can be set with the ``add_core_insulations`` +function. The order of ``add_core_insulations`` is as follow : top, bottom, left, and right. Furthermore there are offset insulations between each turn in the same winding, a distance between 2 windings in one virtual winding window and a distance between each virtual winding window. The first two are set -using the 'add_winding_insulations' functions, the last one when -creating such a virtual winding window (vww). +using the ``add_winding_insulations`` functions, the last one when +creating such a :ref:`virtual-winding-windows-label` (vww). -The function 'add_winding_insulations' therefore needs multiple -parameters: - -- The first parameter is a list called **inner_windings**, where the - list index corresponds to the number of the winding (0: Primary, 1: - Secondary, ...). -- The second parameter is the distance between two virtual winding - windows, this is called **virtual_winding_window_insulation**. +The ``add_winding_insulations`` contains the inner winding insulation, which is a nested lists representing +the insulations between turns of the same winding. Importantly, these values are not arranged according to the +sequence in which conductors are added to each winding. Instead, the organization is based on the winding number +with conductors sorted in ascending order of these numbers. Thus, the first sublist (index 0) corresponds to +the winding with the lowest number, the second sublist (index 1) to the winding with the next lowest number, and so on. .. image:: ../images/geometry_insulation.png - :width: 800 + :width: 800 This is how to create an insulation object and add certain insulations: .. code:: python - insulation = fmt.Insulation() - insulation.add_core_insulation(0.001, 0.001, 0.004, 0.001) - insulation.add_winding_insulation([0.0005], 0.0001) + insulation = fmt.Insulation(flag_insulation=True) + insulation.add_core_insulations(0.001, 0.001, 0.002, 0.001) + insulation.add_winding_insulations([[0.0002, 0.001],[0.001, 0.0002]]) geo.set_insulation(insulation) + The spatial parameters for the insulation, as well as for every other function in FEMMT, are always in SI-Units, in this case metres. @@ -156,7 +181,7 @@ Virtual Winding Windows For every femmt model there is always one winding window, which is a 2D representation of the 3D rotated winding window. This winding window can be split into multiple virtual winding windows which are used to draw -the conductors. There are multiple ways to split a winding window: +the conductors. The ``split_window`` function has multiple ways to split a winding window into: - **NoSplit**: Only 1 virtual winding window will be returned and it has the same size as the real winding window. @@ -174,9 +199,10 @@ the conductors. There are multiple ways to split a winding window: vertical split factors can be used to set the sizes of each grid cell. + .. image:: ../images/geometry_winding_windows.png - :width: 800 - + :width: 800 + In addition to that 2 virtual winding windows can be combined to one (this is not possible for (top_left, bottom_right) or (top_right, bottom_left) combinations). This is done using the combine_vww() @@ -193,6 +219,32 @@ like this: winding_window = fmt.WindingWindow(core, insulation) vww = winding_window.split_window(fmt.WindingWindowSplit.NoSplit) + +Additionally, the ``NCellsSplit`` function provides even more flexibility, allowing +the winding window to be split into N columns horizontally. The distance +between the virtual winding windows, horizontal split factors, and the +vertical split factor can be specified. A winding window with 12 columns horizontally can be created like this: + +.. code:: python + + winding_window = fmt.WindingWindow(core, insulation) + cells = winding_window.NCellsSplit(0, [1 / 6, 2 / 6, 3 / 6, 4 / 6, 5 / 6], 0.5) + + +Furthermore, the ``NHorizontalAndVerticalSplit`` function introduces more advanced splitting capabilities +by allowing the winding window to be split into N columns horizontally,with each having M_N rows (vertically). +Users can specify the positions of borders between columns and rows +to customize the layout of the resulting virtual winding windows. Creating a winding window with three columns, +where the second column is further divided into two rows, can be achieved with the following code: + +.. code:: python + + winding_window = fmt.WindingWindow(core, insulation) + cells = winding_window.NHorizontalAndVerticalSplit(horizontal_split_factors=[0.48, 0.75], + vertical_split_factors=[None, [0.5, 0.85], None]) + +.. _virtual-winding-windows-label: + Winding types and winding schemes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -323,7 +375,7 @@ as well: .. code:: python - geo.set_winding_window(winding_window=winding_window) + geo.set_winding_windows([winding_window]) Create model and start simulation ------------------------------------ @@ -334,14 +386,36 @@ is needed there because of the mesh which is adapted according to the skin depth. In addition to that a boolean can be given to show the model after creation (in gmsh). -The last step is to run a simulation using single_simulation(), which -needs the frequency, currents (and phase if transformer is set) as -parameters. +The last step is to run a simulation using ``single_simulation()`` or ``time_domain_simulation`` depending on the +simulation type, where every type needs the following parameters: -.. code:: python +For Frequency Domain Simulation: the frequency, currents (and phase if transformer is set) are needed as parameters. + + .. code:: python + + geo.create_model(freq=inductor_frequency, pre_visualize_geometry=show_visual_outputs, save_png=False) + geo.single_simulation(freq=inductor_frequency, current=[4.5], + plot_interpolation=False, + show_fem_simulation_results=show_visual_outputs) + +For Time Domain Simulation: the ``current_period_vec`` , ``time_period_vec`` ,and ``number_of_periods`` are needed as +parameters. Users can generate the ``current_period_vec`` by creating nested lists, adjusting the structure based on +the number of windings. The ``time_period_vec parameter corresponds`` to a list of time values associated with the +simulation. Additionally, ``number_of_periods`` specifies the total number of periods to be simulated. The ``current_period_vec`` as The +``show_rolling_average parameter`` is a boolean flag that determines whether to display or hide the rolling average of simulation +results during the time domain simulation. + + .. code:: python + + geo.create_model(freq=inductor_frequency, pre_visualize_geometry=show_visual_outputs, save_png=False) + geo.time_domain_simulation(current_period_vec=[[0, 1, 0, -1, 0 ], [0, 1, 0, -1, 0]] + time_period_vec=[0, 0.1, 0.2, 0.3, 0.4] + number_of_periods=2, + plot_interpolation=False, + show_fem_simulation_results=True, + show_rolling_average=False, + rolling_avg_window_size=50) - geo.create_model(freq=100000, visualize_before=True, save_png=False) - geo.single_simulation(freq=100000, current=[4.5], show_results=True) The results should look like this: @@ -370,7 +444,7 @@ simulation different values are needed: parameter .. image:: ../images/geometry_thermal.png - :width: 800 + :width: 800 Have a look at this example on how to set the parameters since the dictionary keywords are important to write correctly: @@ -389,7 +463,7 @@ dictionary keywords are important to write correctly: "core": 5, "winding": 400, "air_gaps": 180, - "insulation": 0.42 + "insulation": 0.42 if flag_insulation else None } case_gap_top = 0.002 @@ -445,11 +519,272 @@ the simulation can be run: .. code:: python - geo.thermal_simulation(thermal_conductivity_dict, boundary_temperatures, boundary_flags, case_gap_top, case_gap_right, case_gap_bot, True, True) + geo.thermal_simulation(thermal_conductivity_dict, boundary_temperatures, boundary_flags, case_gap_top, + case_gap_right, case_gap_bot, show_thermal_visual_outputs, + color_scheme=fmt.colors_ba_jonas, colors_geometry=fmt.colors_geometry_ba_jonas, + flag_insulation=flag_insulation) The following image shows the simulation results: .. image:: ../images/user_guide_example_thermal_simulation.png - :width: 350 - - + :width: 350 + +How to Read the Result Log +-------------------------- + +After completing a simulation, the simulation results folder can be found in `working_directory/results/`. Inside this folder ``results``, +the user can find the ``log_electro_magnetic.json`` and ``results_thermal.json`` files. + + +- **results/log_electro_magnetic.json**: This file provides comprehensive details on the + electromagnetic aspects of the simulation. It includes information on magnetic flux, + currents, voltages, losses, and other key electromagnetic parameters, facilitating a deep + understanding of the electromagnetic performance of the simulated system. + +- **results/results_thermal.json**: This file encapsulates the outcomes of thermal analysis, + presenting details on the temperatures observed across core components, windings, and insulation + materials. It quantifies the minimum, maximum, and mean temperatures for each identified section, offering + a comprehensive view of thermal results. + +Example Result Log +~~~~~~~~~~~~~~~~~~ + +In this subsection, showcase examples of result logs generated from simulations are shown in two distinct domains: +the frequency domain and the time domain. Each domain provides unique insights into the system's behavior. + +**Note:** + +- The values provided in result log are calculated using peak values, not RMS values. + +log_electro_magnetic.json File in Frequency Domain +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + + +Here is an example of how the outcomes of frequency domain simulation are structured. + +.. code-block:: json + + { + "single_sweeps": [ + { + "f": 200000, + "winding1": { + "turn_losses": ["..."], + "flux": [6.34870443074174e-06, -6.969982393761393e-07], + "flux_over_current": [3.17434773053773e-06, -3.51948446513906e-07], + "V": [0.8845429232083418, 7.978006008157411], + "..." + }, + "winding2": { + "..." + }, + "core_eddy_losses": 0.00050908155779138, + "core_hyst_losses": 3.16018326710339, + "core_parts": { + "core_part_1": { + "eddy_losses": 0.09956183619015413, + "hyst_losses": 3.16018326710339, + "total_core_part_1": 3.259745103293544 + } + "..." + "all_winding_losses": 0.5355581006243983 + } + } + ], + "total_losses": { + "winding1": { + "total": 0.5355581006244025, + "turns": ["..."] + } + "all_windings": 0.5355581006243983, + "eddy_core": 0.09956183619015413, + "hyst_core_fundamental_freq": 3.16018326710339, + "total_core_part_1": 3.259745103293544, + "total_eddy_core_part_1": 0.09956183619015413, + "total_hyst_core_part_1": 3.16018326710339, + "core": 3.259745103293544, + "total_losses": 3.7953032039179426 + } + } + +**Key Components Explained:** + +- **single_sweeps**: This array contains data for each frequency sweep performed during the simulation. + Each entry in the array represents a set of results for a specific frequency. + + - **f**: The frequency at which the sweep was conducted, measured in Hertz (Hz). + + - **winding1** and **winding2**: These sections provide detailed results for each winding, including: + + - **turn_losses**: The power losses in each turn of the winding. + - **flux**: The magnetic flux linked with the winding. The array + contains two values, representing the real and imaginary parts of the flux, respectively. + - **flux_over_current**: This metric signifies the flux linkage per unit of current and is presented as a complex number, + comprising both real and imaginary components. + + - The **real part** of this value denotes the inductance, reflecting the system's capacity to store energy within a + magnetic field generated by the current through the winding. + + - The **imaginary part**, initially referred to as "negative resistance", more aptly relates to the reactive characteristics + or the phase shift between the current and magnetic flux linkage. + - **V**: Voltage across the winding, with the first value indicating the real part and the second the imaginary part. + - **I**: Current through the winding, with similar representation to voltage. + + - **core_eddy_losses** and **core_hyst_losses**: These values represent the losses due to eddy currents and hysteresis in the core. + - **core_parts**: It provides a detailed breakdown of losses within each segmented part of the core, as the core is divided sometimes + into multiple parts. This segmentation is particularly useful for identifying how different sections of the core contribute + to the overall eddy current and hysteresis losses, allowing for more targeted improvements in core design and material selection. + + - **eddy_losses**: Quantifies the losses due to eddy currents for the specific part. + - **hyst_losses**: Quantifies the losses due to hysteresis for the specific part. + - **total_core_part_n**: The sum of **eddy_losses** and **hyst_losses** for the part, providing a total loss figure for that segment. + +- **total_losses**: This section summarizes the overall energy dissipation within the system, combining losses from + various components. It is broken down into several key areas: + + - **all_windings**: It aggregates the losses across all windings in the system. + + - **core**: This aggregates the losses from all individual segments within the core ``total_core_part_1``, ``total_core_part_2``,.. etc, + providing a comprehensive view of the core's total contribution to the system's losses. + - **total_losses**: it represents the sum of all losses within the system, including windings and core. + +log_electro_magnetic.json File in Time Domain +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Here is an example of how the outcomes of time domain simulation are structured. + +.. code-block:: json + + { + "time_domain_simulation": [ + { + "f": 100000, + "T": 1e-05, + "Timemax": 1.25e-05, + "number_of_steps": 5, + "dt": 2.5e-06 + }, + { + "step_1": { + "windings": { + "winding1": { + "number_turns": 10, + "flux": [-7.209142581890734e-06], + "V": [-2.892335944263035], + "I": 2.0 + }, + "winding2": { + "..." }}} + }, + { + "...": {} + ], + "average_losses": { + "core_eddy_losses": [0.00037330739608363716], + "core_hyst_losses": [0], + "winding1": { + "winding_losses": 1.2578033060966147, + "flux_over_current": [6.703043813058433e-06], + "average_current": [0.4], + "average_voltage": [1.8009901071754213], + "P": 0.7203960428701686, + "S": 4.5274565545301515, + "Q": 4.469775429993662 + }, + "winding2": {"..."} + }, + "total_losses": { + "all_windings_losses": 2.511429275334878, + "eddy_core": 0.00037330739608363716, + "core": 0.00037330739608363716, + "total_losses": 2.5118025827309616 + } + } + +**Key Components Explained:** + +- **time_domain_simulation**: An array capturing simulation steps over time, including initial setup and individual time steps. + + - The initial setup specifies the simulation frequency (**f**), period (**T**), maximum time (**Timemax**), total number of steps + (**number_of_steps**), and time increment (**dt**). + + - **step_1** and subsequent steps detail the state of windings at specific times. For example, in **step_1**, **winding1** shows: + + - **number_turns**: Number of turns in the winding. + - **flux**: Magnetic flux through the winding observed in step_1. + - **V**: Voltage across the winding observed in step_1. + - **I**: Current through the winding observed in step_1. + +- **average_losses**: It captures averaged losses over the simulation period, such as **core_eddy_losses**, **core_hyst_losses**, + and detailed losses per winding (**winding1**, **winding2**). The average current, voltage, active power (P), apparent power (S), + and reactive power(Q) are also calculated. + +- **total_losses**: It aggregates all losses within the system, including **all_windings_losses**, **eddy_core** losses, and total + losses (**total_losses**), providing a total view of losses. + + +results_thermal.json File +^^^^^^^^^^^^^^^^^^^^^^^^^ + +This section provides an overview and analysis of thermal data, including temperature-related metrics obtained from the electromagnetic +simulation. The outcomes of thermal simulation are structured as: + +.. code-block:: json + + { + "core_parts": { + "core_part_1": { + "min": 20.48340546242281, + "max": 30.82746116029882, + "mean": 26.775625696609733 + }, + "total": { + "min": 20.48340546242281, + "max": 30.82746116029882, + "mean": 26.775625696609733 + } + }, + "windings": { + "winding_0_0": {"..."}, + "winding_0_1": {"..."}, + "winding_0_2": {"..."}, + "winding_1_0": {"..."}, + "winding_1_1": {"..."}, + "winding_1_2": {"..."}, + "total": {"..."} + }, + "misc": { + "case_volume": 0.00017214993340642786, + "case_weight": -1 + }, + "insulations": { + "min": 20.57984040880558, + "max": 34.82921229676766, + "mean": 27.465726650615863 + } + } + +**Detailed Overview:** + +All temperature values mentioned are in degrees Celsius (°C). + +- **core_parts**: This section provides temperature data for different core parts. For instance, for **core_part_1**: + - **min**: Minimum temperature observed. + - **max**: Maximum temperature observed. + - **mean**: Mean temperature calculated over the simulation. +- **total** under **core_parts** aggregates the temperature data for all core parts, providing an overview of the entire core's thermal behavior. + +- **windings**: The **windings** section presents temperature data for individual windings, where each winding is identified by a combination of winding number and turn number (e.g., **winding_0_0**, **winding_0_1**, etc.). Each winding entry includes: + - **min**: Minimum temperature observed. + - **max**: Maximum temperature observed. + - **mean**: Mean temperature calculated during the simulation. +- **total** under **windings** summarizes temperature characteristics across all windings. + +- **misc**: The **misc** section includes additional thermal information, such as: + - **case_volume**: Volume-related data. + - **case_weight**: Weight-related data. + +- **insulations**: The **insulations** section provides insights into insulation-related temperature metrics. It includes: + - **min**: Minimum insulation temperature observed. + - **max**: Maximum insulation temperature observed. + - **mean**: Mean insulation temperature calculated over the simulation. \ No newline at end of file diff --git a/main/_static/_sphinx_javascript_frameworks_compat.js b/main/_static/_sphinx_javascript_frameworks_compat.js new file mode 100644 index 00000000..81415803 --- /dev/null +++ b/main/_static/_sphinx_javascript_frameworks_compat.js @@ -0,0 +1,123 @@ +/* Compatability shim for jQuery and underscores.js. + * + * Copyright Sphinx contributors + * Released under the two clause BSD licence + */ + +/** + * small helper function to urldecode strings + * + * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent#Decoding_query_parameters_from_a_URL + */ +jQuery.urldecode = function(x) { + if (!x) { + return x + } + return decodeURIComponent(x.replace(/\+/g, ' ')); +}; + +/** + * small helper function to urlencode strings + */ +jQuery.urlencode = encodeURIComponent; + +/** + * This function returns the parsed url parameters of the + * current request. 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span; + var isInSVG = jQuery(node).closest("body, svg, foreignObject").is("svg"); + if (isInSVG) { + span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + } else { + span = document.createElement("span"); + span.className = className; + } + span.appendChild(document.createTextNode(val.substr(pos, text.length))); + node.parentNode.insertBefore(span, node.parentNode.insertBefore( + document.createTextNode(val.substr(pos + text.length)), + node.nextSibling)); + node.nodeValue = val.substr(0, pos); + if (isInSVG) { + var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect"); + var bbox = node.parentElement.getBBox(); + rect.x.baseVal.value = bbox.x; + rect.y.baseVal.value = bbox.y; + rect.width.baseVal.value = bbox.width; + rect.height.baseVal.value = bbox.height; + rect.setAttribute('class', className); + addItems.push({ + "parent": node.parentNode, + "target": rect}); + } + } + } + else if (!jQuery(node).is("button, select, textarea")) { + jQuery.each(node.childNodes, function() { + highlight(this, addItems); + }); + } + } + var addItems = []; + var result = this.each(function() { + highlight(this, addItems); + }); + for (var i = 0; i < addItems.length; ++i) { + jQuery(addItems[i].parent).before(addItems[i].target); + } + return result; +}; + +/* + * backward compatibility for jQuery.browser + * This will be supported until firefox bug is fixed. + */ +if (!jQuery.browser) { + jQuery.uaMatch = function(ua) { + ua = ua.toLowerCase(); + + var match = /(chrome)[ \/]([\w.]+)/.exec(ua) || + /(webkit)[ \/]([\w.]+)/.exec(ua) || + /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) || + /(msie) ([\w.]+)/.exec(ua) || + ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) || + []; + + return { + browser: match[ 1 ] || "", + version: match[ 2 ] || "0" + }; + }; + jQuery.browser = {}; + jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true; +} diff --git a/main/_static/basic.css b/main/_static/basic.css index 603f6a87..30fee9d0 100644 --- a/main/_static/basic.css +++ b/main/_static/basic.css @@ -4,7 +4,7 @@ * * Sphinx stylesheet -- basic theme. * - * :copyright: Copyright 2007-2021 by the Sphinx team, see AUTHORS. + * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. * :license: BSD, see LICENSE for details. * */ @@ -222,7 +222,7 @@ table.modindextable td { /* -- general body styles --------------------------------------------------- */ div.body { - min-width: 450px; + min-width: 360px; max-width: 800px; } @@ -237,14 +237,8 @@ a.headerlink { visibility: hidden; } -a.brackets:before, -span.brackets > a:before{ - content: "["; -} - -a.brackets:after, -span.brackets > a:after { - content: "]"; +a:visited { + color: #551A8B; } h1:hover > a.headerlink, @@ -335,12 +329,16 @@ p.sidebar-title { font-weight: bold; } +nav.contents, +aside.topic, div.admonition, div.topic, blockquote { clear: left; } /* -- topics ---------------------------------------------------------------- */ +nav.contents, +aside.topic, div.topic { border: 1px solid #ccc; padding: 7px; @@ -379,6 +377,8 @@ div.body p.centered { div.sidebar > :last-child, aside.sidebar > :last-child, +nav.contents > :last-child, +aside.topic > :last-child, div.topic > :last-child, div.admonition > :last-child { margin-bottom: 0; @@ -386,6 +386,8 @@ div.admonition > :last-child { div.sidebar::after, aside.sidebar::after, +nav.contents::after, +aside.topic::after, div.topic::after, div.admonition::after, blockquote::after { @@ -428,10 +430,6 @@ table.docutils td, table.docutils th { border-bottom: 1px solid #aaa; } -table.footnote td, table.footnote th { - border: 0 !important; -} - th { text-align: left; padding-right: 5px; @@ -615,19 +613,26 @@ ul.simple p { margin-bottom: 0; } -dl.footnote > dt, -dl.citation > dt { +aside.footnote > span, +div.citation > span { float: left; - margin-right: 0.5em; } - -dl.footnote > dd, -dl.citation > dd { +aside.footnote > span:last-of-type, +div.citation > span:last-of-type { + padding-right: 0.5em; +} +aside.footnote > p { + margin-left: 2em; +} +div.citation > p { + margin-left: 4em; +} +aside.footnote > p:last-of-type, +div.citation > p:last-of-type { margin-bottom: 0em; } - -dl.footnote > dd:after, -dl.citation > dd:after { +aside.footnote > p:last-of-type:after, +div.citation > p:last-of-type:after { content: ""; clear: both; } @@ -644,10 +649,6 @@ dl.field-list > dt { padding-right: 5px; } -dl.field-list > dt:after { - content: ":"; -} - dl.field-list > dd { padding-left: 0.5em; margin-top: 0em; @@ -673,6 +674,16 @@ dd { margin-left: 30px; } +.sig dd { + margin-top: 0px; + margin-bottom: 0px; +} + +.sig dl { + margin-top: 0px; + margin-bottom: 0px; +} + dl > dd:last-child, dl > dd:last-child > :last-child { margin-bottom: 0; @@ -741,6 +752,14 @@ abbr, acronym { cursor: help; } +.translated { + background-color: rgba(207, 255, 207, 0.2) +} + +.untranslated { + background-color: rgba(255, 207, 207, 0.2) +} + /* -- code displays 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b/main/_static/doctools.js @@ -2,322 +2,155 @@ * doctools.js * ~~~~~~~~~~~ * - * Sphinx JavaScript utilities for all documentation. + * Base JavaScript utilities for all Sphinx HTML documentation. * - * :copyright: Copyright 2007-2021 by the Sphinx team, see AUTHORS. + * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. * :license: BSD, see LICENSE for details. * */ - -/** - * select a different prefix for underscore - */ -$u = _.noConflict(); - -/** - * make the code below compatible with browsers without - * an installed firebug like debugger -if (!window.console || !console.firebug) { - var names = ["log", "debug", "info", "warn", "error", "assert", "dir", - "dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace", - "profile", "profileEnd"]; - window.console = {}; - for (var i = 0; i < names.length; ++i) - window.console[names[i]] = function() {}; -} - */ - -/** - * small helper function to urldecode strings - * - * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent#Decoding_query_parameters_from_a_URL - */ -jQuery.urldecode = function(x) { - if (!x) { - return x - } - return decodeURIComponent(x.replace(/\+/g, ' ')); -}; - -/** - * small helper function to urlencode strings - */ -jQuery.urlencode = encodeURIComponent; - -/** - * This function returns the parsed url parameters of the - * current request. Multiple values per key are supported, - * it will always return arrays of strings for the value parts. - */ -jQuery.getQueryParameters = function(s) { - if (typeof s === 'undefined') - s = document.location.search; - var parts = s.substr(s.indexOf('?') + 1).split('&'); - var result = {}; - for (var i = 0; i < parts.length; i++) { - var tmp = parts[i].split('=', 2); - var key = jQuery.urldecode(tmp[0]); - var value = jQuery.urldecode(tmp[1]); - if (key in result) - result[key].push(value); - else - result[key] = [value]; +"use strict"; + +const BLACKLISTED_KEY_CONTROL_ELEMENTS = new Set([ + "TEXTAREA", + "INPUT", + "SELECT", + "BUTTON", +]); + +const _ready = (callback) => { + if (document.readyState !== "loading") { + callback(); + } else { + document.addEventListener("DOMContentLoaded", callback); } - return result; }; -/** - * highlight a given string on a jquery object by wrapping it in - * span elements with the given class name. - */ -jQuery.fn.highlightText = function(text, className) { - function highlight(node, addItems) { - if (node.nodeType === 3) { - var val = node.nodeValue; - var pos = val.toLowerCase().indexOf(text); - if (pos >= 0 && - !jQuery(node.parentNode).hasClass(className) && - !jQuery(node.parentNode).hasClass("nohighlight")) { - var span; - var isInSVG = jQuery(node).closest("body, svg, foreignObject").is("svg"); - if (isInSVG) { - span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); - } else { - span = document.createElement("span"); - span.className = className; - } - span.appendChild(document.createTextNode(val.substr(pos, text.length))); - node.parentNode.insertBefore(span, node.parentNode.insertBefore( - document.createTextNode(val.substr(pos + text.length)), - node.nextSibling)); - node.nodeValue = val.substr(0, pos); - if (isInSVG) { - var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect"); - var bbox = node.parentElement.getBBox(); - rect.x.baseVal.value = bbox.x; - rect.y.baseVal.value = bbox.y; - rect.width.baseVal.value = bbox.width; - rect.height.baseVal.value = bbox.height; - rect.setAttribute('class', className); - addItems.push({ - "parent": node.parentNode, - "target": rect}); - } - } - } - else if (!jQuery(node).is("button, select, textarea")) { - jQuery.each(node.childNodes, function() { - highlight(this, addItems); - }); - } - } - var addItems = []; - var result = this.each(function() { - highlight(this, addItems); - }); - for (var i = 0; i < addItems.length; ++i) { - jQuery(addItems[i].parent).before(addItems[i].target); - } - return result; -}; - -/* - * backward compatibility for jQuery.browser - * This will be supported until firefox bug is fixed. - */ -if (!jQuery.browser) { - jQuery.uaMatch = function(ua) { - ua = ua.toLowerCase(); - - var match = /(chrome)[ \/]([\w.]+)/.exec(ua) || - /(webkit)[ \/]([\w.]+)/.exec(ua) || - /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) || - /(msie) ([\w.]+)/.exec(ua) || - ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) || - []; - - return { - browser: match[ 1 ] || "", - version: match[ 2 ] || "0" - }; - }; - jQuery.browser = {}; - jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true; -} - /** * Small JavaScript module for the documentation. */ -var Documentation = { - - init : function() { - this.fixFirefoxAnchorBug(); - this.highlightSearchWords(); - this.initIndexTable(); - if (DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS) { - this.initOnKeyListeners(); - } +const Documentation = { + init: () => { + Documentation.initDomainIndexTable(); + Documentation.initOnKeyListeners(); }, /** * i18n support */ - TRANSLATIONS : {}, - PLURAL_EXPR : function(n) { return n === 1 ? 0 : 1; }, - LOCALE : 'unknown', + TRANSLATIONS: {}, + PLURAL_EXPR: (n) => (n === 1 ? 0 : 1), + LOCALE: "unknown", // gettext and ngettext don't access this so that the functions // can safely bound to a different name (_ = Documentation.gettext) - gettext : function(string) { - var translated = Documentation.TRANSLATIONS[string]; - if (typeof translated === 'undefined') - return string; - return (typeof translated === 'string') ? translated : translated[0]; + gettext: (string) => { + const translated = Documentation.TRANSLATIONS[string]; + switch (typeof translated) { + case "undefined": + return string; // no translation + case "string": + return translated; // translation exists + default: + return translated[0]; // (singular, plural) translation tuple exists + } }, - ngettext : function(singular, plural, n) { - var translated = Documentation.TRANSLATIONS[singular]; - if (typeof translated === 'undefined') - return (n == 1) ? singular : plural; - return translated[Documentation.PLURALEXPR(n)]; + ngettext: (singular, plural, n) => { + const translated = Documentation.TRANSLATIONS[singular]; + if (typeof translated !== "undefined") + return translated[Documentation.PLURAL_EXPR(n)]; + return n === 1 ? singular : plural; }, - addTranslations : function(catalog) { - for (var key in catalog.messages) - this.TRANSLATIONS[key] = catalog.messages[key]; - this.PLURAL_EXPR = new Function('n', 'return +(' + catalog.plural_expr + ')'); - this.LOCALE = catalog.locale; + addTranslations: (catalog) => { + Object.assign(Documentation.TRANSLATIONS, catalog.messages); + Documentation.PLURAL_EXPR = new Function( + "n", + `return (${catalog.plural_expr})` + ); + Documentation.LOCALE = catalog.locale; }, /** - * add context elements like header anchor links + * helper function to focus on search bar */ - addContextElements : function() { - $('div[id] > :header:first').each(function() { - $('\u00B6'). - attr('href', '#' + this.id). - attr('title', _('Permalink to this headline')). - appendTo(this); - }); - $('dt[id]').each(function() { - $('\u00B6'). - attr('href', '#' + this.id). - attr('title', _('Permalink to this definition')). - appendTo(this); - }); + focusSearchBar: () => { + document.querySelectorAll("input[name=q]")[0]?.focus(); }, /** - * workaround a firefox stupidity - * see: https://bugzilla.mozilla.org/show_bug.cgi?id=645075 + * Initialise the domain index toggle buttons */ - fixFirefoxAnchorBug : function() { - if (document.location.hash && $.browser.mozilla) - window.setTimeout(function() { - document.location.href += ''; - }, 10); - }, - - /** - * highlight the search words provided in the url in the text - */ - highlightSearchWords : function() { - var params = $.getQueryParameters(); - var terms = (params.highlight) ? params.highlight[0].split(/\s+/) : []; - if (terms.length) { - var body = $('div.body'); - if (!body.length) { - body = $('body'); + initDomainIndexTable: () => { + const toggler = (el) => { + const idNumber = el.id.substr(7); + const toggledRows = document.querySelectorAll(`tr.cg-${idNumber}`); + if (el.src.substr(-9) === "minus.png") { + el.src = `${el.src.substr(0, el.src.length - 9)}plus.png`; + toggledRows.forEach((el) => (el.style.display = "none")); + } else { + el.src = `${el.src.substr(0, el.src.length - 8)}minus.png`; + toggledRows.forEach((el) => (el.style.display = "")); } - window.setTimeout(function() { - $.each(terms, function() { - body.highlightText(this.toLowerCase(), 'highlighted'); - }); - }, 10); - $('

' + _('Hide Search Matches') + '

') - .appendTo($('#searchbox')); - } - }, - - /** - * init the domain index toggle buttons - */ - initIndexTable : function() { - var togglers = $('img.toggler').click(function() { - var src = $(this).attr('src'); - var idnum = $(this).attr('id').substr(7); - $('tr.cg-' + idnum).toggle(); - if (src.substr(-9) === 'minus.png') - $(this).attr('src', src.substr(0, src.length-9) + 'plus.png'); - else - $(this).attr('src', src.substr(0, src.length-8) + 'minus.png'); - }).css('display', ''); - if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) { - togglers.click(); - } - }, + }; - /** - * helper function to hide the search marks again - */ - hideSearchWords : function() { - $('#searchbox .highlight-link').fadeOut(300); - $('span.highlighted').removeClass('highlighted'); + const togglerElements = document.querySelectorAll("img.toggler"); + togglerElements.forEach((el) => + el.addEventListener("click", (event) => toggler(event.currentTarget)) + ); + togglerElements.forEach((el) => (el.style.display = "")); + if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) togglerElements.forEach(toggler); }, - /** - * make the url absolute - */ - makeURL : function(relativeURL) { - return DOCUMENTATION_OPTIONS.URL_ROOT + '/' + relativeURL; - }, - - /** - * get the current relative url - */ - getCurrentURL : function() { - var path = document.location.pathname; - var parts = path.split(/\//); - $.each(DOCUMENTATION_OPTIONS.URL_ROOT.split(/\//), function() { - if (this === '..') - parts.pop(); - }); - var url = parts.join('/'); - return path.substring(url.lastIndexOf('/') + 1, path.length - 1); - }, - - initOnKeyListeners: function() { - $(document).keydown(function(event) { - var activeElementType = document.activeElement.tagName; - // don't navigate when in search box, textarea, dropdown or button - if (activeElementType !== 'TEXTAREA' && activeElementType !== 'INPUT' && activeElementType !== 'SELECT' - && activeElementType !== 'BUTTON' && !event.altKey && !event.ctrlKey && !event.metaKey - && !event.shiftKey) { - switch (event.keyCode) { - case 37: // left - var prevHref = $('link[rel="prev"]').prop('href'); - if (prevHref) { - window.location.href = prevHref; - return false; + initOnKeyListeners: () => { + // only install a listener if it is really needed + if ( + !DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS && + !DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS + ) + return; + + document.addEventListener("keydown", (event) => { + // bail for input elements + if (BLACKLISTED_KEY_CONTROL_ELEMENTS.has(document.activeElement.tagName)) return; + // bail with special keys + if (event.altKey || event.ctrlKey || event.metaKey) return; + + if (!event.shiftKey) { + switch (event.key) { + case "ArrowLeft": + if (!DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS) break; + + const prevLink = document.querySelector('link[rel="prev"]'); + if (prevLink && prevLink.href) { + window.location.href = prevLink.href; + event.preventDefault(); } break; - case 39: // right - var nextHref = $('link[rel="next"]').prop('href'); - if (nextHref) { - window.location.href = nextHref; - return false; + case "ArrowRight": + if (!DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS) break; + + const nextLink = document.querySelector('link[rel="next"]'); + if (nextLink && nextLink.href) { + window.location.href = nextLink.href; + event.preventDefault(); } break; } } + + // some keyboard layouts may need Shift to get / + switch (event.key) { + case "/": + if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS) break; + Documentation.focusSearchBar(); + event.preventDefault(); + } }); - } + }, }; // quick alias for translations -_ = Documentation.gettext; +const _ = Documentation.gettext; -$(document).ready(function() { - Documentation.init(); -}); +_ready(Documentation.init); diff --git a/main/_static/documentation_options.js b/main/_static/documentation_options.js index b6159af3..240446d5 100644 --- a/main/_static/documentation_options.js +++ b/main/_static/documentation_options.js @@ -1,12 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+ if (dirname.match(/\/index\/$/)) + dirname = dirname.substring(0, dirname.length - 6); + else if (dirname === "index/") dirname = ""; + requestUrl = contentRoot + dirname; + linkUrl = requestUrl; + } else { + // normal html builders + requestUrl = contentRoot + docName + docFileSuffix; + linkUrl = docName + docLinkSuffix; } + let linkEl = listItem.appendChild(document.createElement("a")); + linkEl.href = linkUrl + anchor; + linkEl.dataset.score = score; + linkEl.innerHTML = title; + if (descr) { + listItem.appendChild(document.createElement("span")).innerHTML = + " (" + descr + ")"; + // highlight search terms in the description + if (SPHINX_HIGHLIGHT_ENABLED) // set in sphinx_highlight.js + highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted")); + } + else if (showSearchSummary) + fetch(requestUrl) + .then((responseData) => responseData.text()) + .then((data) => { + if (data) + listItem.appendChild( + Search.makeSearchSummary(data, searchTerms) + ); + // highlight search terms in the summary + if (SPHINX_HIGHLIGHT_ENABLED) // set in sphinx_highlight.js + highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted")); + }); + Search.output.appendChild(listItem); +}; +const _finishSearch = (resultCount) => { + Search.stopPulse(); + Search.title.innerText = _("Search Results"); + if (!resultCount) + Search.status.innerText = Documentation.gettext( + "Your search did not match any documents. Please make sure that all words are spelled correctly and that you've selected enough categories." + ); + else + Search.status.innerText = _( + `Search finished, found ${resultCount} page(s) matching the search query.` + ); +}; +const _displayNextItem = ( + results, + resultCount, + searchTerms, + highlightTerms, +) => { + // results left, load the summary and display it + // this is intended to be dynamic (don't sub resultsCount) + if (results.length) { + _displayItem(results.pop(), searchTerms, highlightTerms); + setTimeout( + () => _displayNextItem(results, resultCount, searchTerms, highlightTerms), + 5 + ); + } + // search finished, update title and status message + else _finishSearch(resultCount); +}; + +/** + * Default splitQuery function. Can be overridden in ``sphinx.search`` with a + * custom function per language. + * + * The regular expression works by splitting the string on consecutive characters + * that are not Unicode letters, numbers, underscores, or emoji characters. + * This is the same as ``\W+`` in Python, preserving the surrogate pair area. + */ +if (typeof splitQuery === "undefined") { + var splitQuery = (query) => query + .split(/[^\p{Letter}\p{Number}_\p{Emoji_Presentation}]+/gu) + .filter(term => term) // remove remaining empty strings } /** * Search Module */ -var Search = { - - _index : null, - _queued_query : null, - _pulse_status : -1, - - htmlToText : function(htmlString) { - var virtualDocument = document.implementation.createHTMLDocument('virtual'); - var htmlElement = $(htmlString, virtualDocument); - htmlElement.find('.headerlink').remove(); - docContent = htmlElement.find('[role=main]')[0]; - if(docContent === undefined) { - console.warn("Content block not found. Sphinx search tries to obtain it " + - "via '[role=main]'. Could you check your theme or template."); - return ""; - } - return docContent.textContent || docContent.innerText; +const Search = { + _index: null, + _queued_query: null, + _pulse_status: -1, + + htmlToText: (htmlString) => { + const htmlElement = new DOMParser().parseFromString(htmlString, 'text/html'); + htmlElement.querySelectorAll(".headerlink").forEach((el) => { el.remove() }); + const docContent = htmlElement.querySelector('[role="main"]'); + if (docContent !== undefined) return docContent.textContent; + console.warn( + "Content block not found. Sphinx search tries to obtain it via '[role=main]'. Could you check your theme or template." + ); + return ""; }, - init : function() { - var params = $.getQueryParameters(); - if (params.q) { - var query = params.q[0]; - $('input[name="q"]')[0].value = query; - this.performSearch(query); - } + init: () => { + const query = new URLSearchParams(window.location.search).get("q"); + document + .querySelectorAll('input[name="q"]') + .forEach((el) => (el.value = query)); + if (query) Search.performSearch(query); }, - loadIndex : function(url) { - $.ajax({type: "GET", url: url, data: null, - dataType: "script", cache: true, - complete: function(jqxhr, textstatus) { - if (textstatus != "success") { - document.getElementById("searchindexloader").src = url; - } - }}); - }, + loadIndex: (url) => + (document.body.appendChild(document.createElement("script")).src = url), - setIndex : function(index) { - var q; - this._index = index; - if ((q = this._queued_query) !== null) { - this._queued_query = null; - Search.query(q); + setIndex: (index) => { + Search._index = index; + if (Search._queued_query !== null) { + const query = Search._queued_query; + Search._queued_query = null; + Search.query(query); } }, - hasIndex : function() { - return this._index !== null; - }, + hasIndex: () => Search._index !== null, - deferQuery : function(query) { - this._queued_query = query; - }, + deferQuery: (query) => (Search._queued_query = query), - stopPulse : function() { - this._pulse_status = 0; - }, + stopPulse: () => (Search._pulse_status = -1), - startPulse : function() { - if (this._pulse_status >= 0) - return; - function pulse() { - var i; + startPulse: () => { + if (Search._pulse_status >= 0) return; + + const pulse = () => { Search._pulse_status = (Search._pulse_status + 1) % 4; - var dotString = ''; - for (i = 0; i < Search._pulse_status; i++) - dotString += '.'; - Search.dots.text(dotString); - if (Search._pulse_status > -1) - window.setTimeout(pulse, 500); - } + Search.dots.innerText = ".".repeat(Search._pulse_status); + if (Search._pulse_status >= 0) window.setTimeout(pulse, 500); + }; pulse(); }, /** * perform a search for something (or wait until index is loaded) */ - performSearch : function(query) { + performSearch: (query) => { // create the required interface elements - this.out = $('#search-results'); - this.title = $('

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