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122 lines
3.1 KiB
Python
122 lines
3.1 KiB
Python
from numbers import Integral
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import sys
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from openmc.checkvalue import check_type
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if sys.version_info[0] >= 3:
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basestring = str
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class Nuclide(object):
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"""A nuclide that can be used in a material.
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Parameters
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----------
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name : str
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Name of the nuclide, e.g. U-235
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xs : str
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Cross section identifier, e.g. 71c
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Attributes
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----------
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name : str
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Name of the nuclide, e.g. U-235
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xs : str
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Cross section identifier, e.g. 71c
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zaid : int
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1000*(atomic number) + mass number. As an example, the zaid of U-235
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would be 92235.
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scattering : 'data' or 'iso-in-lab' or None
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The type of angular scattering distribution to use
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"""
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def __init__(self, name='', xs=None):
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# Initialize class attributes
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self._name = ''
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self._xs = None
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self._zaid = None
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self._scattering = None
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# Set the Material class attributes
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self.name = name
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if xs is not None:
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self.xs = xs
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def __eq__(self, other):
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if isinstance(other, Nuclide):
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if self._name != other._name:
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return False
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elif self._xs != other._xs:
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return False
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else:
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return True
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elif isinstance(other, basestring) and other == self.name:
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return True
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else:
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return False
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def __ne__(self, other):
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return not self == other
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def __hash__(self):
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return hash(repr(self))
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def __repr__(self):
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string = 'Nuclide - {0}\n'.format(self._name)
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string += '{0: <16}{1}{2}\n'.format('\tXS', '=\t', self._xs)
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if self._zaid is not None:
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string += '{0: <16}{1}{2}\n'.format('\tZAID', '=\t', self._zaid)
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return string
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@property
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def name(self):
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return self._name
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@property
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def xs(self):
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return self._xs
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@property
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def zaid(self):
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return self._zaid
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@property
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def scattering(self):
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return self._scattering
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@name.setter
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def name(self, name):
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check_type('name', name, basestring)
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self._name = name
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@xs.setter
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def xs(self, xs):
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check_type('cross-section identifier', xs, basestring)
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self._xs = xs
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@zaid.setter
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def zaid(self, zaid):
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check_type('zaid', zaid, Integral)
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self._zaid = zaid
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@scattering.setter
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def scattering(self, scattering):
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if not scattering in ['data', 'iso-in-lab']:
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msg = 'Unable to set scattering for Nuclide to {0} ' \
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'which is not "data" or "iso-in-lab"'.format(scattering)
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raise ValueError(msg)
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self._scattering = scattering
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def __repr__(self):
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string = 'Nuclide - {0}\n'.format(self._name)
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string += '{0: <16}{1}{2}\n'.format('\tXS', '=\t', self.xs)
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if self.zaid is not None:
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string += '{0: <16}{1}{2}\n'.format('\tZAID', '=\t', self.zaid)
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if self.scattering is not None:
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string += '{0: <16}{1}{2}\n'.format('\tscattering', '=\t',
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self.scattering)
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return string
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