38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
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from ThermoPhase import ThermoPhase
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from exceptions import CanteraError
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import Numeric
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import _cantera
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class SurfacePhase(ThermoPhase):
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"""A class for surface phases."""
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def __init__(self, xml_phase=None, index=-1):
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ThermoPhase.__init__(self, xml_phase=xml_phase, index=index)
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def setSiteDensity(self, n0):
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_cantera.surf_setsitedensity(self._phase_id, n0)
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def siteDensity(self):
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return _cantera.surf_sitedensity(self._phase_id)
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def setCoverages(self, theta):
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nt = len(theta)
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if nt == self.nSpecies():
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_cantera.surf_setcoverages(self._phase_id,
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Numeric.asarray(theta,'d'))
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else:
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raise CanteraError('expected '+`self.nSpecies()`+
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' coverage values, but got '+`nt`)
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def coverages(self):
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return _cantera.surf_getcoverages(self._phase_id)
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def setConcentrations(self, theta):
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_cantera.surf_setconcentrations(self._phase_id, theta)
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def concentrations(self):
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return _cantera.surf_getconcentrations(self._phase_id)
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