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2023 12 13 coordination
Date: December 13, 2023, 8:00 - 9:00 Pacific Times.
The purpose of this meeting is to coordinate the Modelica IBPSA Working Group.
Join from PC, Mac, Linux, iOS or Android: https://lbnl.zoom.us/my/mwetter
Or iPhone one-tap (US Toll): +14086380968,6614042296# or +16465588656,6614042296#
Or Telephone: Dial: +1 408 638 0968 (US Toll) or +1 646 558 8656 (US Toll) Meeting ID: 661 404 2296 International numbers available: https://lbnl.zoom.us/zoomconference?m=_h5BuJ686mPy3rWEyKf4NROxLaeOV5J8
Miscellanous (Doodle January meetings)
Presentation (Solar thermal Jelger Jansen)
ATES model (Alessandro Maccarini)
ISO 13790 models (Alessandro Maccarini)
PV collector, battery and electrical component models (Laura Maier)
Modular heat pump (Fabian Wüllhorst)
New state selection (Michael Wetter)
Integration of new models into the library
OpenSCALING project updates
Progress on pull requests, https://github.com/ibpsa/modelica-ibpsa/pulls
| Casper Fu, LBNL | Dre Helmns, Harvey Mudd College | Ettore Zanetti, LBNL | Filip Jorissen, BuilTwins | Jelger Jansen, KU Leuven | Massimo Cimmino, Polytechnic Montreal | Michael Wetter, LBNL | Laura Maier, RTWH Aachen
Jelger presented an analysis on the Buildings solar thermal models within the Modelica libraries. He pointed out a bug that was addressed in issue #Buildings3597 and further modifications (i.e. updating records), that can be found in issue #Buildings3604 and are explained in the presentation shared in this month meeting on this repository.
Alessandro is currently working on validation against measurements (paper under preparation). Also exploring the need of adding vertical heat conduction between the aquifer and the top and bottom ground layers.
Alessandro expects to have time to work on the new BESTEST validations in Feb/Mar next year.
Laura is addressing review's comments, especially related to style for the documentation. One good example is the documentation of the movers.
Very close to being finished, just minor iterations. Expected to be done by the end of the year.
https://github.com/ibpsa/modelica-ibpsa/issues/1412
Michael work on model initialization? Difference of pressure instead of absolute pressure (in theory is better, in numerical simulation it seems inconclusive it depends on the models, scaling seems to work better) Comparison speed vs accuracy? (speed and if models actually run). Maybe use bounded attribute of real variables.
OCT has been updated and it is a work in progress.
New models to be developed/integrate:
- Discussions about others and future development, such as
- APPROVED
- enthalpy and energy recovery wheel (Oakridge national lab is working on a model for the Buildings that could be integrated)
- validation of models (No updates)
- CDL integration (No updates)
- preconfigured controls (No updates)
- NEED MORE DISCUSSION
- thermal storage (No updates)
- better dynamic ground coupling of long district pipes (Ettore is working on a PR for buildings library, almost ready for review)
- CHP and organic Rankine cycle (Casper is working on a PR for Buildings library)
- more geothermal (horizontal loop, slinky loop, others) (Massimo could look into specific modelling efforts that have been done by co-workers)
- APPROVED
Kick-off meeting in November.
If interested in an advisory board work with Oliver Lenord to issue NDA contract.
Come up with requirements:
data source
large models (compilation, simulation, optimization, UQ)
provide library of models
computationally expensive ones
numerically problematic ones (see also https://ibpsa.github.io/modelica-challenge-problems/)