def test_get_named_cuds_component(self):
c = CUDS()
c.add([self.named_cuds_1])
self.assertEqual(c.get_by_name(self.named_cuds_1.name),
self.named_cuds_1)
self.assertEqual(c.get(self.named_cuds_1.uid), self.named_cuds_1)
def test_add_named_dataset(self):
ps = Particles('my particles')
ps.add([Particle(), Particle()])
c = CUDS()
c.add([ps])
self.assertEqual(c.get_by_name(ps.name), ps)
self.assertRaises(ValueError, c.add, [ps])
def test_add_named_dataset(self):
ps = Particles('my particles')
ps.add([Particle(), Particle()])
c = CUDS()
c.add([ps])
self.assertEqual(c.get_by_name(ps.name), ps)
self.assertRaises(ValueError, c.add, [ps])
def test_get_named_cuds_component(self):
c = CUDS()
c.add([self.named_cuds_1])
self.assertEqual(c.get_by_name(self.named_cuds_1.name),
self.named_cuds_1)
self.assertEqual(c.get(self.named_cuds_1.uid),
self.named_cuds_1)
cfd.turbulence_model = api.LaminarFlowModel(name='laminar')
cfd.compressibility_model = api.IncompressibleFluidModel(name='incompressible')
# material
foam = api.Material(name='foam')
foam.data[CUBA.DENSITY] = 250.0
foam.data[CUBA.DYNAMIC_VISCOSITY] = 4.37
cuds.add([foam])
# use Herschel Bulkley viscosity model for aqueous foam
hb = api.HerschelBulkleyModel(name='foam_rheology')
hb.initial_viscosity = 0.01748
hb.relaxation_time = 0.0148
hb.linear_constant = 0.00268
hb.power_law_index = 0.5
hb.material = cuds.get_by_name('foam').uid
cfd.rheology_model = hb
cuds.add([cfd])
# time setting
sim_time = api.IntegrationTime(name='simulation_time',
current=0.0,
final=0.3,
size=0.0001)
cuds.add([sim_time])
end = time.time()
print "Time spend in initialization: ", end - start
start = time.time()
cfd.turbulence_model = api.LaminarFlowModel(name='laminar')
cfd.compressibility_model = api.IncompressibleFluidModel(name='incompressible')
# material
foam = api.Material(name='foam')
foam.data[CUBA.DENSITY] = 250.0
foam.data[CUBA.DYNAMIC_VISCOSITY] = 4.37
cuds.add([foam])
# use Herschel Bulkley viscosity model for aqueous foam
hb = api.HerschelBulkleyModel(name='foam_rheology')
hb.initial_viscosity = 0.01748 * foam.data[CUBA.DENSITY]
hb.relaxation_time = 0.0148 * foam.data[CUBA.DENSITY]
hb.linear_constant = 0.00268 * foam.data[CUBA.DENSITY]
hb.power_law_index = 0.5
hb.material = cuds.get_by_name('foam').uid
cfd.rheology_model = hb
cuds.add([cfd])
# time setting
sim_time = api.IntegrationTime(name='simulation_time',
current=0.0,
final=1000,
size=1)
cuds.add([sim_time])
sol_par = api.SolverParameter(name='steady_state')
sol_par.data[CUBA.STEADY_STATE] = True
cuds.add([sol_par])
# materials
sludge = api.Material(name='sludge')
sludge.data[CUBA.DENSITY] = 1900.0
sludge.data[CUBA.DYNAMIC_VISCOSITY] = 0.01
cuds.add([sludge])
water = api.Material(name='water')
water.data[CUBA.DENSITY] = 1000.0
water.data[CUBA.DYNAMIC_VISCOSITY] = 1.0e-3
cuds.add([water])
# mixture model
mm = api.MixtureModel(name='mixture')
mm.disperse = cuds.get_by_name('sludge').uid
cuds.add([mm])
# use Bingham plastic for sludge rheology model
bp = api.BinghamPlasticModel(name='sludge_rheology')
bp.linear_constant = (0.00023143, 0.0005966)
bp.power_law_index = (179.26, 1050.8)
bp.maximum_viscosity = 10.0
bp.material = cuds.get_by_name('sludge').uid
# water is Newtonian so no need to add that to rheology models
cfd.rheology_model = bp
cuds.add([cfd])
sm = api.StandardStressModel(name='standard_stress_model')
pres_frontAndBack.data[CUBA.VARIABLE] = CUBA.PRESSURE
inlet = api.Boundary(name='inlet', condition=[vel_inlet, pres_inlet])
walls = api.Boundary(name='walls', condition=[vel_walls, pres_walls])
outlet = api.Boundary(name='outlet', condition=[vel_outlet, pres_outlet])
frontAndBack = api.Boundary(name='frontAndBack',
condition=[vel_frontAndBack, pres_frontAndBack])
cuds.add([inlet, walls, outlet, frontAndBack])
sim = Simulation(cuds, 'OpenFOAM', engine_interface=EngineInterface.FileIO)
sim.run()
average_pressure = 0.0
mesh_in_engine = cuds.get_by_name(mesh_name)
print "working directory ", mesh_in_engine.path
for cell in mesh_in_engine.get_boundary_cells(inlet.name):
average_pressure += cell.data[CUBA.PRESSURE]
average_pressure /= len(mesh_in_engine._boundaries[inlet.name])
print "Average pressure on " + inlet.name + ": ", average_pressure
@mayavi2.standalone
def view():
from mayavi.modules.surface import Surface
from simphony_mayavi.sources.api import CUDSSource
# materials
sludge = api.Material(name='sludge')
sludge.data[CUBA.DENSITY] = 1900.0
sludge.data[CUBA.DYNAMIC_VISCOSITY] = 0.01
cuds.add([sludge])
water = api.Material(name='water')
water.data[CUBA.DENSITY] = 1000.0
water.data[CUBA.DYNAMIC_VISCOSITY] = 1.0e-3
cuds.add([water])
# mixture model
mm = api.MixtureModel(name='mixture')
mm.disperse = cuds.get_by_name('sludge').uid
cuds.add([mm])
# use Bingham plastic for sludge rheology model
bp = api.BinghamPlasticModel(name='sludge_rheology')
bp.linear_constant = (0.00023143, 0.0005966)
bp.power_law_index = (179.26, 1050.8)
bp.maximum_viscosity = 10.0
bp.material = cuds.get_by_name('sludge').uid
# water is Newtonian so no need to add that to rheology models
cfd.rheology_model = bp
cuds.add([cfd])
sm = api.StandardStressModel(name='standard_stress_model')
def test_add_named_cuds_component(self):
c = CUDS()
self.assertIsNone(c.add([self.named_cuds_1]))
self.assertEqual(c.get_by_name(self.named_cuds_1.name),
self.named_cuds_1)
inlet = api.Boundary(name='inlet', condition=[vel_inlet, pres_inlet, vf_inlet])
walls = api.Boundary(name='walls', condition=[vel_walls, pres_walls, vf_walls])
atm = api.Boundary(name='atmosphere', condition=[vel_atm, pres_atm,
vf_atm])
frontAndBack = api.Boundary(name='frontAndBack', condition=[vel_frontAndBack,
pres_frontAndBack,
vf_frontAndBack])
cuds.add([inlet, walls, atm, frontAndBack])
# create mesh
mesh = foam_controlwrapper.create_block_mesh(tempfile.mkdtemp(), mesh_name,
tube_mesh.blockMeshDict)
cuds.add([mesh])
mesh_in_cuds = cuds.get_by_name(mesh_name)
start = time.time()
updated_cells = []
zero_water = api.PhaseVolumeFraction(water, 0)
zero_air = api.PhaseVolumeFraction(air, 0)
one_water = api.PhaseVolumeFraction(water, 1)
one_air = api.PhaseVolumeFraction(air, 1)
# initial state. In VOF only one velocity and pressure field
# for cell in mesh_in_cuds._iter_cells_parallell():
for cell in mesh_in_cuds.iter(item_type=CUBA.CELL):
ymid = sum(mesh_in_cuds._get_point(puid).coordinates[1]
for puid in cell.points)
ymid /= sum(1.0 for _ in cell.points)
def test_add_named_cuds_component(self):
c = CUDS()
self.assertIsNone(c.add([self.named_cuds_1]))
self.assertEqual(c.get_by_name(self.named_cuds_1.name),
self.named_cuds_1)