tmp<GeometricField<Type, fvPatchField, volMesh> >
steadyStateDdtScheme<Type>::fvcDdt
(
const dimensionedScalar& rho,
const GeometricField<Type, fvPatchField, volMesh>& vf
)
{
return tmp<GeometricField<Type, fvPatchField, volMesh> >
(
new GeometricField<Type, fvPatchField, volMesh>
(
IOobject
(
"ddt("+rho.name()+','+vf.name()+')',
mesh().time().timeName(),
mesh()
),
mesh(),
dimensioned<Type>
(
"0",
rho.dimensions()*vf.dimensions()/dimTime,
pTraits<Type>::zero
)
)
);
}
Foam::dimensionSet Foam::pow
(
const dimensionSet& ds,
const dimensionedScalar& dS
)
{
if (dimensionSet::debug && !dS.dimensions().dimensionless())
{
FatalErrorInFunction
<< "Exponent of pow is not dimensionless"
<< abort(FatalError);
}
dimensionSet dimPow
(
ds[dimensionSet::MASS]*dS.value(),
ds[dimensionSet::LENGTH]*dS.value(),
ds[dimensionSet::TIME]*dS.value(),
ds[dimensionSet::TEMPERATURE]*dS.value(),
ds[dimensionSet::MOLES]*dS.value(),
ds[dimensionSet::CURRENT]*dS.value(),
ds[dimensionSet::LUMINOUS_INTENSITY]*dS.value()
);
return dimPow;
}
tmp<fvMatrix<Type>>
EulerD2dt2Scheme<Type>::fvmD2dt2
(
const dimensionedScalar& rho,
const GeometricField<Type, fvPatchField, volMesh>& vf
)
{
tmp<fvMatrix<Type>> tfvm
(
new fvMatrix<Type>
(
vf,
rho.dimensions()*vf.dimensions()*dimVol
/dimTime/dimTime
)
);
fvMatrix<Type>& fvm = tfvm.ref();
scalar deltaT = mesh().time().deltaTValue();
scalar deltaT0 = mesh().time().deltaT0Value();
scalar coefft = (deltaT + deltaT0)/(2*deltaT);
scalar coefft00 = (deltaT + deltaT0)/(2*deltaT0);
scalar rDeltaT2 = 4.0/sqr(deltaT + deltaT0);
if (mesh().moving())
{
scalar halfRdeltaT2 = 0.5*rDeltaT2;
const scalarField VV0(mesh().V() + mesh().V0());
const scalarField V0V00(mesh().V0() + mesh().V00());
fvm.diag() = rho.value()*(coefft*halfRdeltaT2)*VV0;
fvm.source() = halfRdeltaT2*rho.value()*
(
(coefft*VV0 + coefft00*V0V00)
*vf.oldTime().primitiveField()
- (coefft00*V0V00)*vf.oldTime().oldTime().primitiveField()
);
}
else
{
fvm.diag() = (coefft*rDeltaT2)*mesh().V()*rho.value();
fvm.source() = rDeltaT2*mesh().V()*rho.value()*
(
(coefft + coefft00)*vf.oldTime().primitiveField()
- coefft00*vf.oldTime().oldTime().primitiveField()
);
}
return tfvm;
}
tmp<GeometricField<Type, fvPatchField, volMesh> >
EulerLocalDdtScheme<Type>::fvcDdt
(
const dimensionedScalar& rho,
const GeometricField<Type, fvPatchField, volMesh>& vf
)
{
const objectRegistry& registry = this->mesh();
// get access to the scalar beta[i]
const scalarField& beta =
registry.lookupObject<scalarField>(deltaTName_);
volScalarField rDeltaT =
1.0/(beta[0]*registry.lookupObject<volScalarField>(deltaTauName_));
IOobject ddtIOobject
(
"ddt("+rho.name()+','+vf.name()+')',
mesh().time().timeName(),
mesh()
);
if (mesh().moving())
{
return tmp<GeometricField<Type, fvPatchField, volMesh> >
(
new GeometricField<Type, fvPatchField, volMesh>
(
ddtIOobject,
mesh(),
rDeltaT.dimensions()*rho.dimensions()*vf.dimensions(),
rDeltaT.internalField()*rho.value()*
(
vf.internalField()
- vf.oldTime().internalField()*mesh().V0()/mesh().V()
),
rDeltaT.boundaryField()*rho.value()*
(
vf.boundaryField() - vf.oldTime().boundaryField()
)
)
);
}
else
{
return tmp<GeometricField<Type, fvPatchField, volMesh> >
(
new GeometricField<Type, fvPatchField, volMesh>
(
ddtIOobject,
rDeltaT*rho*(vf - vf.oldTime())
)
);
}
}
tmp<fvMatrix<Type> >
steadyStateDdtScheme<Type>::fvmDdt
(
const dimensionedScalar& rho,
const GeometricField<Type, fvPatchField, volMesh>& vf
)
{
tmp<fvMatrix<Type> > tfvm
(
new fvMatrix<Type>
(
vf,
rho.dimensions()*vf.dimensions()*dimVol/dimTime
)
);
return tfvm;
}
Foam::dimensionSet Foam::pow
(
const dimensionedScalar& dS,
const dimensionSet& ds
)
{
if
(
dimensionSet::debug
&& !dS.dimensions().dimensionless()
&& !ds.dimensionless())
{
FatalErrorIn("pow(const dimensionedScalar& dS, const dimensionSet& ds)")
<< "Argument or exponent of pow not dimensionless" << endl
<< abort(FatalError);
}
return ds;
}
tmp<fvMatrix<Type> >
EulerLocalDdtScheme<Type>::fvmDdt
(
const dimensionedScalar& rho,
GeometricField<Type, fvPatchField, volMesh>& vf
)
{
const objectRegistry& registry = this->mesh();
// get access to the scalar beta[i]
const scalarField& beta =
registry.lookupObject<scalarField>(deltaTName_);
tmp<fvMatrix<Type> > tfvm
(
new fvMatrix<Type>
(
vf,
rho.dimensions()*vf.dimensions()*dimVol/dimTime
)
);
fvMatrix<Type>& fvm = tfvm();
scalarField rDeltaT =
1.0/(beta[0]*registry.lookupObject<volScalarField>(deltaTauName_).internalField());
fvm.diag() = rDeltaT*rho.value()*mesh().V();
if (mesh().moving())
{
fvm.source() = rDeltaT
*rho.value()*vf.oldTime().internalField()*mesh().V0();
}
else
{
fvm.source() = rDeltaT
*rho.value()*vf.oldTime().internalField()*mesh().V();
}
return tfvm;
}
Foam::tmp<Foam::fvMatrix<Type>>
Foam::fvm::Sp
(
const dimensionedScalar& sp,
const GeometricField<Type, fvPatchField, volMesh>& vf
)
{
const fvMesh& mesh = vf.mesh();
tmp<fvMatrix<Type>> tfvm
(
new fvMatrix<Type>
(
vf,
dimVol*sp.dimensions()*vf.dimensions()
)
);
fvMatrix<Type>& fvm = tfvm.ref();
fvm.diag() += mesh.V()*sp.value();
return tfvm;
}
