Specify temperature from a field (structured mesh only) - #3734

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JoffreyDorville wants to merge 160 commits into

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JoffreyDorville:temperate_from_mesh

Commits on Dec 15, 2025

First prototype for temperature field
JoffreyDorville
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282ba43
Clean event identifiers for history-based transport
JoffreyDorville
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cf19709
New particle attribute for the next event
JoffreyDorville
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032275a
Cleaning
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8a138da
Common update function for the particle temperature
JoffreyDorville
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d29e700
Cleaning
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2e5e0c9
Cleaning
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ba02d46

Commits on Dec 17, 2025

Add temperature values during the initialization for thermal scattering data
JoffreyDorville
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5c52c5f

Commits on Dec 19, 2025

Clean Python API
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06f27c7
Regression test
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d20e3ea

Commits on Dec 20, 2025

Update documentation
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6c9b918
Create a main C++ ScalarField class
JoffreyDorville
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4b660d6
Check that size of mesh and size of values are consistent in the field - C++ side
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3b3b32f
Formatting
JoffreyDorville
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6dd684d
Manage incompatibility with event-based mode
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76cdf20
Unit test for the distance to next boundary method
JoffreyDorville
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49bfb76

Commits on Jan 15, 2026

Missing init file in new regression test
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5e79b7b
Formatting
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0c67016

Commits on Mar 24, 2026

Commits on Apr 1, 2026

C API documentation update
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68d8d9c
Remove unused function in Python API
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614564b
Test that the number of temperature values given is consistent with the number of cells in the mesh
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7bee829
Fix XML reader
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78529b5
Define equality function for ScalarFields
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d91a64d
Unit test for temperature field - Python API
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068b92b
Change fatal_error to throw
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027c35c
Unit test temperature field - C++ side
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1bd1b5c
Merge branch 'develop' into temperate_from_mesh
JoffreyDorville
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9bd31c1

Commits on Apr 2, 2026

Commits on Apr 21, 2026

Commits on Apr 23, 2026

Commits on Apr 30, 2026

Commits on May 1, 2026

Manage temperature field bins with boundary conditions
JoffreyDorville
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e020118
Clean the temperature field interface
JoffreyDorville
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9949c56
Update DAGMC part of transport
JoffreyDorville
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de054db

Commits on May 4, 2026

Commits on May 5, 2026

Commits on May 6, 2026

Regression test - box with reflective BC
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cd906d7
Regression test - box with vacuum BC
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6a8f4a8
Simplify the implementation and remove tf_bin_last
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549beb0
Fix regular mesh index calculation when point is on the lower boundary
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a9fff5a
Formatting
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2e10a5d
Regression test - box with periodic BC
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8f9f44a
Regression test - surrounding box with reflective BC
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1ed498a
Regression test - surrounding box with vacuum BC
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2966590
Regression test - surrounding box with periodic BC
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2155926

Commits on May 14, 2026

Commits on May 15, 2026

Commits on May 18, 2026

Commits on May 19, 2026

Commits on May 28, 2026

Documentation updates
paulromano
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d3e2953
Remove unnecessary docstrings on __init__
paulromano
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8b83aa2
Reorder settings
paulromano
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b8e2148

Commits on Jun 15, 2026

Commits on Jun 16, 2026

Add consistency checks in field Python classes
JoffreyDorville
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7ff1402
Merge branch 'develop' into temperate_from_mesh
JoffreyDorville
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98401f6

Commits on Jun 29, 2026

Commits on Jul 2, 2026

Update DAGMC test models
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b05aeac

Commits on Jul 20, 2026

Remove unused event timer for temperature mesh crossing
JoffreyDorville
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072089a

Commits on Aug 6, 2026

Merge branch 'develop' into temperate_from_mesh
JoffreyDorville
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6764526
Add two C API handles for the temperature field
JoffreyDorville
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1227d54

Commits on Aug 14, 2026

Fix io formats documentation
paulromano
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7d4218e
Simplify type check
paulromano
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56b1a09

Commits on Aug 19, 2026

Update test due to PR #3934
JoffreyDorville
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eeedc52

Commits on Aug 20, 2026

Commits on Aug 28, 2026

Refactor mesh ractrace
paulromano
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2a99da3
Fix scalar field equality and validation test
paulromano
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1e94bdd
Validate temperature field values
paulromano
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875b166
Validate temperature field mesh types
paulromano
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80d0ef5
Reject unavailable runtime field temperatures
paulromano
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47095b1
Apply temperature fields to property plots
paulromano
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a335476
Add Python temperature field bindings
paulromano
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16c4b53
Skip temperature fields in random ray loading
paulromano
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3b6cb97
Clean temperature field test style
paulromano
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f8f2b3c
Fix temperature field regression documentation
paulromano
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4d0e478
Clean temperature field whitespace
paulromano
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9d7435c
Clarify mesh crossing API
paulromano
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02a2553
Restore trailing whitespace in lattice reference inputs
paulromano
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b6d22e3
Validate temperature field values from the stored list
paulromano
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852cd51
Correct the mesh types listed for temperature fields
paulromano
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ebe076c
Run the temperature field library test in a temporary directory
paulromano
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2eb506c
Make openmc.lib.temperature_field a real sequence
paulromano
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e0cf987
Import the field bindings the same way as the rest of openmc.lib
paulromano
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78294dd
Document the temperature field Python bindings
paulromano
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eb83b34
Apply the same temperature validation to XML and C API input
paulromano
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1d4d96c
Scope the C API assertions in the field test to their own section
paulromano
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74e62c8
Gate plot temperatures on the temperature field settings flag
paulromano
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1c0496c
Explain why next_mesh_crossing re-derives the entered bin
paulromano
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55071b9
Turn MeshTraversal into a self-contained traversal cursor
paulromano
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c032831
Document how next_mesh_crossing interprets current_bin
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05b0813
Bound the walk to a mesh from outside
paulromano
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58d897f
Deactivate temperature fields for random ray at input processing
paulromano
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681deaa
Wrap over-long lines in openmc/field.py
paulromano
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3011c86

Commits on Aug 31, 2026

Fix temperature field sequence indexing
paulromano
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a0b472e
Simplify comment
paulromano
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f695b00

Commits on Sep 1, 2026

Normalize temperature field C API
paulromano
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3898b16
Clarify mesh traversal terminology
paulromano
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56adbbd
Remove redundant temperature field size property
paulromano
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b6fc708

Commits on Sep 2, 2026

Update comments
paulromano
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5931d2d
Move mesh traversal state out of StructuredMesh
paulromano
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4cdcce7

Commits on Sep 3, 2026

Simplify temperature mesh crossing logic
paulromano
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a51d738
Preserve fast path without temperature fields
paulromano
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48e25c0
Avoid storing temperature mesh traversal state
paulromano
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b07abb1
Retain current temperature field bin
paulromano
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da1b248
Merge branch 'develop' into pr/JoffreyDorville/3734
paulromano
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3619b38
Remove extra lines that were introduced
paulromano
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a2e93fe

Commits on Sep 4, 2026

Consolidate tests
paulromano
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4d0055b
Flatten directories for tests
paulromano
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4fccd6a
Remove unnecessary compile def for C++ unit tests
paulromano
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06d4586

Commits on Sep 11, 2026

Merge branch 'develop' into temperate_from_mesh
JoffreyDorville
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c6ad4e9
Need this API handle back for Cardinal PR 1415
JoffreyDorville
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ad36900