def create_equations(self):
adami_equations = [
Group(
equations=[SummationDensity(dest='fluid', sources=['fluid'])],
real=False),
Group(equations=[
StateEquation(dest='fluid', sources=None, rho0=rho0, p0=p0),
],
real=False),
Group(equations=[
AdamiColorGradient(dest='fluid', sources=['fluid']),
],
real=False),
Group(equations=[
AdamiReproducingDivergence(dest='fluid',
sources=['fluid'],
dim=2),
],
real=False),
Group(equations=[
MomentumEquationPressureGradient(dest='fluid',
sources=['fluid'],
pb=p0),
MomentumEquationViscosityAdami(dest='fluid',
sources=['fluid']),
CSFSurfaceTensionForceAdami(
dest='fluid',
sources=None,
)
], )
]
return adami_equations
def create_equations(self):
adami_equations = [
Group(equations=[
SummationDensity(dest='fluid', sources=['fluid', 'wall']),
SummationDensity(dest='wall', sources=['fluid', 'wall']),
],),
Group(equations=[
StateEquation(dest='fluid', sources=None, rho0=rho0,
p0=p0),
SolidWallPressureBCnoDensity(dest='wall', sources=['fluid']),
],),
Group(equations=[
AdamiColorGradient(dest='fluid', sources=['fluid', 'wall']),
],
),
Group(equations=[
AdamiReproducingDivergence(dest='fluid', sources=['fluid', 'wall'],
dim=2),
],),
Group(
equations=[
MomentumEquationPressureGradient(
dest='fluid', sources=['fluid', 'wall'], pb=p0),
MomentumEquationViscosityAdami(
dest='fluid', sources=['fluid']),
CSFSurfaceTensionForceAdami(
dest='fluid', sources=None),
SolidWallNoSlipBC(dest='fluid', sources=['wall'], nu=nu0),
], )
]
return adami_equations
def create_equations(self):
sy11_equations = [
Group(
equations=[SummationDensity(dest='fluid', sources=['fluid'])],
real=False),
Group(equations=[
StateEquation(dest='fluid', sources=None, rho0=rho0, p0=p0),
SY11ColorGradient(dest='fluid', sources=['fluid'])
],
real=False),
Group(equations=[
ScaleSmoothingLength(dest='fluid',
sources=None,
factor=factor1)
],
real=False,
update_nnps=True),
Group(equations=[SY11DiracDelta(dest='fluid', sources=['fluid'])],
real=False),
Group(equations=[
InterfaceCurvatureFromNumberDensity(
dest='fluid',
sources=['fluid'],
with_morris_correction=True),
],
real=False),
Group(
equations=[
ScaleSmoothingLength(dest='fluid',
sources=None,
factor=factor2)
],
real=False,
update_nnps=True,
),
Group(equations=[
MomentumEquationPressureGradient(dest='fluid',
sources=['fluid'],
pb=0.0),
MomentumEquationViscosity(dest='fluid',
sources=['fluid'],
nu=nu),
ShadlooYildizSurfaceTensionForce(dest='fluid',
sources=None,
sigma=sigma),
], )
]
adami_equations = [
Group(
equations=[SummationDensity(dest='fluid', sources=['fluid'])],
real=False),
Group(equations=[
StateEquation(dest='fluid', sources=None, rho0=rho0, p0=p0),
],
real=False),
Group(equations=[
AdamiColorGradient(dest='fluid', sources=['fluid']),
],
real=False),
Group(equations=[
AdamiReproducingDivergence(dest='fluid',
sources=['fluid'],
dim=2),
],
real=False),
Group(equations=[
MomentumEquationPressureGradient(dest='fluid',
sources=['fluid'],
pb=p0),
MomentumEquationViscosityAdami(dest='fluid',
sources=['fluid']),
CSFSurfaceTensionForceAdami(
dest='fluid',
sources=None,
)
], )
]
adami_stress_equations = [
Group(equations=[
SummationDensity(dest='fluid', sources=['fluid']),
],
real=False),
Group(equations=[
TaitEOS(dest='fluid',
sources=None,
rho0=rho0,
c0=c0,
gamma=7,
p0=p0),
],
real=False),
Group(equations=[
ColorGradientAdami(dest='fluid', sources=['fluid']),
],
real=False),
Group(equations=[
ConstructStressMatrix(dest='fluid',
sources=None,
sigma=sigma,
d=2)
],
real=False),
Group(equations=[
MomentumEquationPressureGradientAdami(dest='fluid',
sources=['fluid']),
MomentumEquationViscosityAdami(dest='fluid', sources=['fluid'
]),
SurfaceForceAdami(dest='fluid', sources=['fluid']),
]),
]
tvf_equations = [
Group(
equations=[SummationDensity(dest='fluid', sources=['fluid'])],
real=False),
Group(equations=[
StateEquation(dest='fluid', sources=None, rho0=rho0, p0=p0),
SmoothedColor(dest='fluid', sources=['fluid']),
],
real=False),
Group(equations=[
MorrisColorGradient(dest='fluid',
sources=['fluid'],
epsilon=epsilon),
],
real=False),
Group(equations=[
InterfaceCurvatureFromNumberDensity(
dest='fluid',
sources=['fluid'],
with_morris_correction=True),
],
real=False),
Group(equations=[
MomentumEquationPressureGradient(dest='fluid',
sources=['fluid'],
pb=p0),
MomentumEquationViscosity(dest='fluid',
sources=['fluid'],
nu=nu),
CSFSurfaceTensionForce(dest='fluid', sources=None,
sigma=sigma),
MomentumEquationArtificialStress(dest='fluid',
sources=['fluid']),
], )
]
morris_equations = [
Group(equations=[
SummationDensitySourceMass(dest='fluid', sources=['fluid']),
],
real=False,
update_nnps=False),
Group(equations=[
TaitEOS(dest='fluid',
sources=None,
rho0=rho0,
c0=c0,
gamma=1.0),
SmoothedColor(dest='fluid', sources=[
'fluid',
]),
ScaleSmoothingLength(dest='fluid',
sources=None,
factor=2.0 / 3.0),
],
real=False,
update_nnps=False),
Group(equations=[
MorrisColorGradient(dest='fluid',
sources=[
'fluid',
],
epsilon=epsilon),
],
real=False,
update_nnps=False),
Group(equations=[
InterfaceCurvatureFromDensity(dest='fluid',
sources=['fluid'],
with_morris_correction=True),
ScaleSmoothingLength(dest='fluid', sources=None, factor=1.5),
],
real=False,
update_nnps=False),
Group(equations=[
MomentumEquationPressureGradientMorris(dest='fluid',
sources=['fluid']),
MomentumEquationViscosityMorris(dest='fluid',
sources=['fluid']),
CSFSurfaceTensionForce(dest='fluid', sources=None,
sigma=sigma),
],
update_nnps=False)
]
if self.options.scheme == 'tvf':
return tvf_equations
elif self.options.scheme == 'adami_stress':
return adami_stress_equations
elif self.options.scheme == 'adami':
return adami_equations
elif self.options.scheme == 'shadloo':
return sy11_equations
else:
return morris_equations