| import numpy as np |
| import pytest |
|
|
| import openpnm as op |
|
|
|
|
| class MixtureTest: |
| def setup_class(self): |
| ws = op.Workspace() |
| ws.clear() |
|
|
| def test_init_binary_gas(self): |
| net = op.network.Demo() |
| N2 = op.phase.Species(network=net, species='N2', name='pure_N2') |
| O2 = op.phase.Species(network=net, species='O2', name='pure_O2') |
| air = op.phase.BinaryGas(network=net, components=[N2, O2], name='air') |
|
|
| def test_liquid_mixture_two_comps(self): |
| net = op.network.Demo() |
| A = op.phase.StandardLiquid(network=net, species='ethanol') |
| B = op.phase.StandardLiquid(network=net, species='H2O') |
| vodka = op.phase.LiquidMixture(network=net, components=[A, B]) |
| vodka.x(A.name, 0.4) |
| vodka.x(B.name, 0.6) |
| assert len(vodka.components) == 2 |
|
|
| def test_standard_liquid_mixture(self): |
| net = op.network.Demo() |
| A = op.phase.StandardLiquid(network=net, species='ethanol') |
| B = op.phase.StandardLiquid(network=net, species='H2O') |
| vodka = op.phase.StandardLiquidMixture(network=net, components=[A, B]) |
| vodka.x(A.name, 0.4) |
| vodka.x(B.name, 0.6) |
| |
| m = vodka.models.keys() |
| for item in m: |
| assert item.split('@')[0] not in vodka.keys() |
| |
| vodka.regenerate_models() |
| |
| m = vodka.models.keys() |
| for item in m: |
| assert item.split('@')[0] in vodka.keys() |
|
|
| vodka.add_model(propname='pore.diffusivity', |
| model=op.models.phase.diffusivity.liquid_mixture_tc) |
|
|
| def test_standard_gas_mixture(self): |
| net = op.network.Demo() |
| A = op.phase.StandardGas(network=net, species='O2') |
| B = op.phase.StandardGas(network=net, species='N2') |
| air = op.phase.StandardGasMixture(network=net, components=[A, B]) |
| air.y(A.name, 0.21) |
| air.y(B.name, 0.79) |
| |
| m = air.models.keys() |
| for item in m: |
| assert item.split('@')[0] not in air.keys() |
| |
| air.regenerate_models() |
| |
| m = air.models.keys() |
| for item in m: |
| assert item.split('@')[0] in air.keys() |
|
|
| air.add_model(propname='pore.diffusivity', |
| model=op.models.phase.diffusivity.gas_mixture_ce) |
|
|
| def test_add_and_remove_component_method(self): |
| net = op.network.Demo() |
| o2 = op.phase.Species(network=net, species='O2', name='pure_O2') |
| n2 = op.phase.Species(network=net, species='N2', name='pure_N2') |
| air = op.phase.GasMixture(network=net, components=[n2, o2]) |
| air.remove_comp(n2) |
| assert len(air.components) == 1 |
| air.remove_comp(o2) |
| assert len(air.components) == 0 |
|
|
| def test_check_health(self): |
| net = op.network.Demo() |
| o2 = op.phase.Species(network=net, species='O2', name='pure_O2') |
| n2 = op.phase.Species(network=net, species='N2', name='pure_N2') |
| air = op.phase.GasMixture(network=net, components=[n2, o2]) |
| air['pore.mole_fraction.pure_N2'] = 0.79 |
| air['pore.mole_fraction.pure_O2'] = 0.21 |
| h = air.check_mixture_health() |
| assert h.health is True |
| air['pore.mole_fraction.pure_O2'] = 0.25 |
| h = air.check_mixture_health() |
| assert h.health is False |
|
|
| def test_getitem(self): |
| net = op.network.Demo() |
| o2 = op.phase.Species(network=net, species='O2', name='pure_O2') |
| n2 = op.phase.Species(network=net, species='N2', name='pure_N2') |
| air = op.phase.GasMixture(network=net, components=[n2, o2]) |
| d = air['pore.mole_fraction'] |
| set_a = set(['pure_N2', 'pure_O2']) |
| assert set_a.difference(set(d.keys())) == set() |
|
|
| def test_getitem_with_species(self): |
| net = op.network.Demo() |
| o2 = op.phase.StandardGas(network=net, species='O2', name='pure_O2') |
| n2 = op.phase.StandardGas(network=net, species='N2', name='pure_N2') |
| air = op.phase.GasMixture(network=net, components=[n2, o2]) |
| mu1 = air['pore.viscosity.pure_N2'] |
| mu2 = air['pore.viscosity.pure_O2'] |
| assert not np.all(mu1 == mu2) |
|
|
| def test_get_comp(self): |
| net = op.network.Demo() |
| o2 = op.phase.StandardGas(network=net, species='O2', name='pure_O2') |
| n2 = op.phase.StandardGas(network=net, species='N2', name='pure_N2') |
| air = op.phase.GasMixture(network=net, components=[n2, o2]) |
| del o2['pore.viscosity'] |
| _ = air['pore.viscosity.pure_N2'] |
| with pytest.raises(KeyError): |
| _ = air['pore.viscosity.pure_O2'] |
|
|
| def test_get_mix_vals(self): |
| net = op.network.Demo() |
| o2 = op.phase.StandardGas(network=net, species='O2', name='pure_O2') |
| n2 = op.phase.StandardGas(network=net, species='N2', name='pure_N2') |
| air = op.phase.GasMixture(network=net, components=[n2, o2]) |
| mu1 = air.get_mix_vals('pore.viscosity') |
| |
| assert np.all(np.isnan(mu1)) |
| air.y(o2.name, 0.5) |
| air.y(n2.name, 0.5) |
| mu2 = air.get_mix_vals('pore.viscosity') |
| assert np.all(np.isreal(mu2)) |
| |
| mu3 = air.get_mix_vals('pore.viscosity', mode='logarithmic') |
| mu4 = air.get_mix_vals('pore.viscosity', mode='power', power=2) |
| assert not np.all(mu2 == mu3) |
| assert not np.all(mu3 == mu4) |
| assert not np.all(mu2 == mu4) |
|
|
| def test_regenerate_components(self): |
| net = op.network.Demo() |
| o2 = op.phase.StandardGas(network=net, species='O2', name='pure_O2') |
| n2 = op.phase.StandardGas(network=net, species='N2', name='pure_N2') |
| air = op.phase.StandardGasMixture(network=net, components=[n2, o2]) |
| air.y(o2.name, y=0.2) |
| air.y(n2.name, y=0.8) |
| air.regenerate_models() |
| mu1 = air['pore.viscosity'].mean() |
| o2['pore.temperature'] = 333.3 |
| air.regenerate_models() |
| mu2 = air['pore.viscosity'].mean() |
| assert mu2 > mu1 |
| o2['pore.temperature'] = 298.0 |
| o2.regenerate_models() |
| mu3 = air['pore.viscosity'].mean() |
| assert mu2 == mu3 |
| air.regenerate_models() |
| mu4 = air['pore.viscosity'].mean() |
| assert mu4 == mu1 |
|
|
|
|
| if __name__ == '__main__': |
|
|
| t = MixtureTest() |
| self = t |
| t.setup_class() |
| for item in t.__dir__(): |
| if item.startswith('test'): |
| print(f"Running test: {item}") |
| t.__getattribute__(item)() |
|
|
