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skip adding 0K elastic xs if it already exists

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liangjg 2017-07-28 10:08:37 -04:00
parent b6a91cc25a
commit 35d24a955d
1 changed files with 7 additions and 6 deletions
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13
openmc/data/neutron.py
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@ -866,12 +866,13 @@ class IncidentNeutron(EqualityMixin):
data.fission_energy = FissionEnergyRelease.from_endf(ev, data)
# Add 0K elastic scattering cross section
pendf = Evaluation(pendf_file)
file_obj = StringIO(pendf.section[3, 2])
get_head_record(file_obj)
params, xs = get_tab1_record(file_obj)
data.energy['0K'] = xs.x
data[2].xs['0K'] = xs
if '0K' not in data.energy:
pendf = Evaluation(pendf_file)
file_obj = StringIO(pendf.section[3, 2])
get_head_record(file_obj)
params, xs = get_tab1_record(file_obj)
data.energy['0K'] = xs.x
data[2].xs['0K'] = xs
finally:
# Get rid of temporary files