def frame(self):
m = ConcreteModel()
m.params = DummyParameterBlock(default={
"components": {"c1": {}, "c2": {}, "c3": {}},
"phases": {
"a": {"equation_of_state": dummy_eos},
"b": {"equation_of_state": dummy_eos}},
"state_definition": modules[__name__],
"pressure_ref": 1e5,
"temperature_ref": 300,
"state_bounds": {
"flow_mol": (0, 0.1, 0.2, pyunits.kmol/pyunits.s),
"temperature": (522, 621, 720, pyunits.degR),
"pressure": (1, 3, 5, pyunits.bar),
"enth_mol": (0, 0.5, 1, pyunits.kJ/pyunits.mol)},
"base_units": {"time": pyunits.s,
"length": pyunits.m,
"mass": pyunits.kg,
"amount": pyunits.mol,
"temperature": pyunits.K}})
# Create a dummy state block
m.props = Block([1])
m.props[1].config = ConfigBlock()
m.props[1].config.declare("defined_state", ConfigValue(default=False))
add_object_reference(m.props[1], "params", m.params)
# Add necessary variables that would be built by other methods
m.props[1].dens_mol_phase = Var(m.params.phase_list, initialize=1)
m.props[1].enth_mol_phase = Var(m.params.phase_list, initialize=1)
define_state(m.props[1])
return m
def test_mole_frac(self, caplog):
m = ConcreteModel()
caplog.set_level(
idaeslog.WARNING,
logger=("idaes.generic_models.properties.core."))
m.params = DummyParameterBlock(default={
"components": {"c1": {}, "c2": {}, "c3": {}},
"phases": {
"p1": {"equation_of_state": DummyEoS}},
"state_definition": modules[__name__],
"pressure_ref": 1e5,
"temperature_ref": 300,
"base_units": {"time": pyunits.s,
"length": pyunits.m,
"mass": pyunits.kg,
"amount": pyunits.mol,
"temperature": pyunits.K},
"state_bounds": {"mole_frac_comp": (None, None, None)}})
# Build state block
m.props = m.params.build_state_block(
[1], default={"defined_state": False})
m.props[1].enth_mol_phase["p1"] = 1
define_state(m.props[1])
assert ("props[1] - found state_bounds argument for mole_frac_comp."
" Mole fraction bounds are set automatically and "
"this argument will be ignored." in caplog.text)
def test_mole_frac(self, caplog):
m = ConcreteModel()
caplog.set_level(idaeslog.WARNING,
logger=("idaes.generic_models.properties.core."))
m.params = DummyParameterBlock(
default={
"components": {
"c1": {},
"c2": {},
"c3": {}
},
"phases": {
"p1": {
"equation_of_state": dummy_eos
}
},
"state_definition": modules[__name__],
"pressure_ref": 1e5,
"temperature_ref": 300,
"base_units": {
"time": pyunits.s,
"length": pyunits.m,
"mass": pyunits.kg,
"amount": pyunits.mol,
"temperature": pyunits.K
},
"state_bounds": {
"mole_frac_comp": (None, None, None)
}
})
# Create a dummy state block
m.props = Block([1])
m.props[1].config = ConfigBlock()
m.props[1].config.declare("defined_state", ConfigValue(default=False))
add_object_reference(m.props[1], "params", m.params)
m.props[1].enth_mol_phase = {"p1": 1}
define_state(m.props[1])
assert ("props[1] - found state_bounds argument for mole_frac_comp."
" Mole fraction bounds are set automatically and "
"this argument will be ignored." in caplog.text)
def test_bad_name(self):
m = ConcreteModel()
m.params = DummyParameterBlock(
default={
"components": {
"c1": {},
"c2": {},
"c3": {}
},
"phases": {
"p1": {
"equation_of_state": dummy_eos
}
},
"state_definition": modules[__name__],
"pressure_ref": 1e5,
"temperature_ref": 300,
"base_units": {
"time": pyunits.s,
"length": pyunits.m,
"mass": pyunits.kg,
"amount": pyunits.mol,
"temperature": pyunits.K
},
"state_bounds": {
"foo": (None, None, None)
}
})
# Create a dummy state block
m.props = Block([1])
m.props[1].config = ConfigBlock()
m.props[1].config.declare("defined_state", ConfigValue(default=False))
add_object_reference(m.props[1], "params", m.params)
with pytest.raises(
ConfigurationError,
match="props\[1\] - found unexpected state_bounds key foo. "
"Please ensure bounds are provided only for expected state "
"variables and that you have typed the variable names "
"correctly."):
define_state(m.props[1])
def test_always_flash(self, frame):
define_state(frame.props[1])
assert frame.props[1].always_flash
