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Merge pull request #70 from lanl/branson_doc_update
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Try to fix formatting in Branson section
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@alexrlongne
alexrlongne authored Nov 14, 2023
2 parents b7f066c + 4fa46f5 commit 56a3e2a
Showing 1 changed file with 46 additions and 48 deletions.
94 changes: 46 additions & 48 deletions doc/sphinx/01_branson/branson.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -132,26 +132,26 @@ test" to see if a code change has introduced an error. After every timestep, a s
printed:

.. code-block:: bash
********************************************************************************
Step: 5 Start Time: 0.04 End Time: 0.05 dt: 0.01
source time: 0.166658
WARNING: use_gpu_transporter set to true but GPU kernel not available, running transport on CPU
Total Photons transported: 10632225
Emission E: 4.43314e-05, Source E: 0, Absorption E: 4.1747e-05, Exit E: 2.59802e-06
Pre census E: 3.5321e-07 Post census E: 3.396e-07 Post census Size: 219902
Pre mat E: 0.0130731 Post mat E: 0.0130705
Radiation conservation: -5.83707e-17
Material conservation: -5.8599e-15
Sends posted: 0, sends completed: 0
Receives posted: 0, receives completed: 0
Transport time max/min: 7.31594/7.20329
********************************************************************************
Step: 5 Start Time: 0.04 End Time: 0.05 dt: 0.01
source time: 0.166658
WARNING: use_gpu_transporter set to true but GPU kernel not available, running transport on CPU
Total Photons transported: 10632225
Emission E: 4.43314e-05, Source E: 0, Absorption E: 4.1747e-05, Exit E: 2.59802e-06
Pre census E: 3.5321e-07 Post census E: 3.396e-07 Post census Size: 219902
Pre mat E: 0.0130731 Post mat E: 0.0130705
Radiation conservation: -5.83707e-17
Material conservation: -5.8599e-15
Sends posted: 0, sends completed: 0
Receives posted: 0, receives completed: 0
Transport time max/min: 7.31594/7.20329
..
Two lines in the block specifically relate to conservation:

.. code-block:: bash
Radiation conservation: -5.83707e-17
Material conservation: -5.8599e-15
Radiation conservation: -5.83707e-17
Material conservation: -5.8599e-15
..
The radiation conservation should capture roughly half of the range of the floating point type
Expand All @@ -167,41 +167,39 @@ This is further complicated by MPI reductions. Still, this check is accurate en
detect particles that may havbe been lost in a modified MPI scheme (for example).

The second check on correctness is much simpler. For any changes to Branson, the code should produce
the same temperature in a standard marshak wave problem after 100 cycles. For the
`marshak wave input <https://github.com/lanl/branson/blob/develop/inputs/marshak_wave_replicated.xml>`_
file, the following temperature profile should be reproduced to 3% after 100 cycles, as shown below:
the same temperature in a standard marshak wave problem after 100 cycles. For the `marshak wave input <https://github.com/lanl/branson/blob/develop/inputs/marshak_wave_replicated.xml>`_ file, the following temperature profile should be reproduced to 3% after 100 cycles, as shown below:

.. code-block:: bash
Step: 100 Start Time: 0.99 End Time: 1 dt: 0.01
source time: 0.094371
-------- VERBOSE PRINT BLOCK: CELL TEMPERATURE --------
cell T_e T_r abs_E
0 0.9864821 0.98624394 2.3231089e-05
1 0.97376231 0.97335755 2.2986719e-05
2 0.95987812 0.95921396 2.2604072e-05
3 0.94448294 0.94359619 2.223203e-05
4 0.92838247 0.92729361 2.1860113e-05
5 0.91059797 0.90933099 2.1487142e-05
6 0.89041831 0.88903414 2.1098101e-05
7 0.86713097 0.86559489 2.0554045e-05
8 0.83972062 0.83807018 1.9926467e-05
9 0.80754477 0.80583439 1.9216495e-05
10 0.76586319 0.76409724 1.8223846e-05
11 0.71065544 0.70892379 1.6994308e-05
12 0.6190012 0.61733211 1.5009059e-05
13 0.36540211 0.35970671 1.1687053e-05
14 0.016821133 0.016162407 6.3406719e-07
15 0.01 0.0099763705 2.356755e-07
16 0.010000399 0.0099766379 2.3568489e-07
17 0.0099989172 0.0099752306 2.3564998e-07
18 0.010000684 0.0099769858 2.3569162e-07
19 0.009999951 0.0099762996 2.3567434e-07
20 0.0099997415 0.0099761208 2.356694e-07
21 0.010000476 0.0099768182 2.3568672e-07
22 0.0099993136 0.0099756288 2.3565932e-07
23 0.010000237 0.0099765577 2.3568109e-07
24 0.010000281 0.0099765314 2.3568212e-07
-------------------------------------------------------
Step: 100 Start Time: 0.99 End Time: 1 dt: 0.01
source time: 0.094371
-------- VERBOSE PRINT BLOCK: CELL TEMPERATURE --------
cell T_e T_r abs_E
0 0.9864821 0.98624394 2.3231089e-05
1 0.97376231 0.97335755 2.2986719e-05
2 0.95987812 0.95921396 2.2604072e-05
3 0.94448294 0.94359619 2.223203e-05
4 0.92838247 0.92729361 2.1860113e-05
5 0.91059797 0.90933099 2.1487142e-05
6 0.89041831 0.88903414 2.1098101e-05
7 0.86713097 0.86559489 2.0554045e-05
8 0.83972062 0.83807018 1.9926467e-05
9 0.80754477 0.80583439 1.9216495e-05
10 0.76586319 0.76409724 1.8223846e-05
11 0.71065544 0.70892379 1.6994308e-05
12 0.6190012 0.61733211 1.5009059e-05
13 0.36540211 0.35970671 1.1687053e-05
14 0.016821133 0.016162407 6.3406719e-07
15 0.01 0.0099763705 2.356755e-07
16 0.010000399 0.0099766379 2.3568489e-07
17 0.0099989172 0.0099752306 2.3564998e-07
18 0.010000684 0.0099769858 2.3569162e-07
19 0.009999951 0.0099762996 2.3567434e-07
20 0.0099997415 0.0099761208 2.356694e-07
21 0.010000476 0.0099768182 2.3568672e-07
22 0.0099993136 0.0099756288 2.3565932e-07
23 0.010000237 0.0099765577 2.3568109e-07
24 0.010000281 0.0099765314 2.3568212e-07
-------------------------------------------------------
..
This output is expected as long as the spatial, boundary and region blocks are kept the same in the
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