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Optional separation of mesh-material-volume calc from get_homogenized_materials #3581

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Merged
merged 2 commits into from
Sep 26, 2025
Merged

Optional separation of mesh-material-volume calc from get_homogenized_materials #3581

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fd524b5
material_volumes directly saves
yrrepy Sep 24, 2025
86cc43d
Replace save_filename with material_volumes argument
paulromano Sep 25, 2025
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13 changes: 10 additions & 3 deletions openmc/mesh.py
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Original file line number Diff line number Diff line change
Expand Up @@ -287,6 +287,7 @@ def get_homogenized_materials(
model: openmc.Model,
n_samples: int | tuple[int, int, int] = 10_000,
include_void: bool = True,
material_volumes: MeshMaterialVolumes | None = None,
**kwargs
) -> list[openmc.Material]:
"""Generate homogenized materials over each element in a mesh.
Expand All @@ -305,16 +306,23 @@ def get_homogenized_materials(
the x, y, and z dimensions.
include_void : bool, optional
Whether homogenization should include voids.
material_volumes : MeshMaterialVolumes, optional
Previously computed mesh material volumes to use for homogenization.
If not provided, they will be computed by calling
:meth:`material_volumes`.
**kwargs
Keyword-arguments passed to :meth:`MeshBase.material_volumes`.
Keyword-arguments passed to :meth:`material_volumes`.

Returns
-------
list of openmc.Material
Homogenized material in each mesh element

"""
vols = self.material_volumes(model, n_samples, **kwargs)
if material_volumes is None:
vols = self.material_volumes(model, n_samples, **kwargs)
else:
vols = material_volumes
mat_volume_by_element = [vols.by_element(i) for i in range(vols.num_elements)]

# Create homogenized material for each element
Expand Down Expand Up @@ -424,7 +432,6 @@ def material_volumes(

# Restore original tallies
model.tallies = original_tallies

return volumes


Expand Down