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Allow iwt to be specified on ACER runs for thermal scattering

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This commit is contained in:
Paul Romano 2019-05-22 12:58:31 -05:00
parent 228392eee5
commit 707eefbf65
1 changed files with 5 additions and 3 deletions
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8
openmc/data/njoy.py
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@ -120,7 +120,7 @@ acer / %%%%%%%%%%%%%%%%%%%%%%%% Write out in ACE format %%%%%%%%%%%%%%%%%%%%%%%%
'{library}: {zsymam_thermal} processed by NJOY'/
{mat} {temperature} '{data.name}' /
{zaids} /
222 64 {mt_elastic} {elastic_type} {data.nmix} {energy_max} 2/
222 64 {mt_elastic} {elastic_type} {data.nmix} {energy_max} {iwt}/
"""
@ -355,8 +355,8 @@ def make_ace(filename, temperatures=None, ace='ace', xsdir='xsdir', pendf=None,
def make_ace_thermal(filename, filename_thermal, temperatures=None,
ace='ace', xsdir='xsdir', error=0.001, evaluation=None,
evaluation_thermal=None, **kwargs):
ace='ace', xsdir='xsdir', error=0.001, iwt=2,
evaluation=None, evaluation_thermal=None, **kwargs):
"""Generate thermal scattering ACE file from ENDF files
Parameters
@ -374,6 +374,8 @@ def make_ace_thermal(filename, filename_thermal, temperatures=None,
Path of xsdir file to write
error : float, optional
Fractional error tolerance for NJOY processing
iwt : int
`iwt` parameter used in NJOR/ACER card 9
evaluation : openmc.data.endf.Evaluation, optional
If the ENDF neutron sublibrary file contains multiple material
evaluations, this argument indicates which evaluation to use.