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Ensure user sets particles before using entropy mesh dimension heuristic.

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This commit is contained in:
aprilnovak 2020-10-16 15:27:36 -05:00
parent 4215669492
commit b4deb90ad8
1 changed files with 7 additions and 3 deletions
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10
openmc/settings.py
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@ -930,9 +930,13 @@ class Settings:
if self.entropy_mesh is not None:
# use default heuristic for entropy mesh if not set by user
if self.entropy_mesh.dimension is None:
n = ceil((self.particles / 20.0)**(1.0 / 3.0))
d = len(self.entropy_mesh.lower_left)
self.entropy_mesh.dimension = (n,)*d
if self.particles is None:
raise RuntimeError("Number of particles must be set in order to " \
"use entropy mesh dimension heuristic")
else:
n = ceil((self.particles / 20.0)**(1.0 / 3.0))
d = len(self.entropy_mesh.lower_left)
self.entropy_mesh.dimension = (n,)*d
# See if a <mesh> element already exists -- if not, add it
path = "./mesh[@id='{}']".format(self.entropy_mesh.id)