def define_StateIGas(state: StateIGas, fluid: 'IdealGas'):
"""Tries to fill in the properties of an ideal gas state by applying the ideal gas law and looking up state on the provided mpDF."""
if len(available_TDependentProperties := [propertyName for propertyName in fluid.mpDF.mp.availableProperties if propertyName in state._properties_all and isNumeric(getattr(state, propertyName))]) >= 1:
refPropt_name = available_TDependentProperties[0]
# Try finding exact state on mpDF
state_at_refPropt = fluid.mpDF.cq.cQuery({refPropt_name: getattr(state, refPropt_name)})
try:
if state_at_refPropt.empty:
# Interpolate in mpDF
refPropt_valueBelow, refPropt_valueAbove = get_surroundingValues(fluid.mpDF[refPropt_name], value=getattr(state, refPropt_name))
state_at_refPropt_valueBelow = StateIGas().init_fromDFRow(fluid.mpDF.cq.cQuery({refPropt_name: refPropt_valueBelow}))
state_at_refPropt_valueAbove = StateIGas().init_fromDFRow(fluid.mpDF.cq.cQuery({refPropt_name: refPropt_valueAbove}))
state_at_refPropt = interpolate_betweenPureStates(state_at_refPropt_valueBelow, state_at_refPropt_valueAbove, interpolate_at={refPropt_name: getattr(state, refPropt_name)})
state.copy_fromState(state_at_refPropt)
except NeedsExtrapolationError:
pass
def fullyDefine_StateIGas(state: StateIGas, fluid: 'IdealGas') -> StateIGas:
"""Tries to fill in the properties of an ideal gas state by applying the ideal gas law and looking up state on the provided mpDF."""
apply_IGasLaw(state, fluid.R)
# Do an ideal gas table look-up after applying ideal gas law above. The process above may first determine T and only then this table look-up can be done.
# if len(available_TDependentProperties := [propertyName for propertyName in state.get_asList_definedPropertiesNames() if propertyName in fluid.mpDF.mp.availableProperties]) >= 1:
if len(available_TDependentProperties := [propertyName for propertyName in StateIGas._properties_Tdependent if state.hasDefined(propertyName)]) >= 1:
# Get tabulated T-dependent properties
refPropt_name = available_TDependentProperties[0]
state_at_refPropt = fluid.mpDF.cq.cQuery({refPropt_name: getattr(state, refPropt_name)}) # Try finding exact state on mpDF
if state_at_refPropt.empty:
try:
# Interpolate in mpDF - ideal gas properties table
interpolatedState = interpolate_inIGasTable(mpDF=fluid.mpDF, interpolate_by=refPropt_name, interpolate_at=getattr(state, refPropt_name))
state.copy_fromState(interpolatedState)
except NeedsExtrapolationError:
print('fullyDefine_StateIGas: Extrapolation needed to find state at {0}={1}'.format(refPropt_name, getattr(state, refPropt_name)))
pass
else:
state.init_fromDFRow(state_at_refPropt) # Found exact match, initialize from DFRow