eddyDiffusivity.C

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#include "eddyDiffusivity.H"
#include "fvmLaplacian.H"
#include "fvcLaplacian.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace turbulenceThermophysicalTransportModels
{
 
// * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //
 
template<class TurbulenceThermophysicalTransportModel>
void eddyDiffusivity<TurbulenceThermophysicalTransportModel>::correctAlphat()
{
    alphat_ =
        this->momentumTransport().rho()
       *this->momentumTransport().nut()/Prt_;
    alphat_.correctBoundaryConditions();
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class TurbulenceThermophysicalTransportModel>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::eddyDiffusivity
(
    const momentumTransportModel& momentumTransport,
    const thermoModel& thermo,
    const word& type
)
:
    TurbulenceThermophysicalTransportModel
    (
        type,
        momentumTransport,
        thermo
    ),
 
    Prt_("Prt", dimless, this->typeDict(type)),
 
    alphat_
    (
        IOobject
        (
            IOobject::groupName
            (
                "alphat",
                this->thermo().phaseName()
            ),
            momentumTransport.time().name(),
            momentumTransport.mesh(),
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        momentumTransport.mesh(),
        dimensions::dynamicDiffusivity
    )
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class TurbulenceThermophysicalTransportModel>
bool eddyDiffusivity<TurbulenceThermophysicalTransportModel>::read()
{
    if (TurbulenceThermophysicalTransportModel::read())
    {
        Prt_.read(this->typeDict());
 
        return true;
    }
    else
    {
        return false;
    }
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<volScalarField>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::D
(
    const volScalarField& Yi
) const
{
    FatalErrorInFunction
        << type() << " supports single component systems only, " << nl
        << "    for multi-component transport select"
           " nonUnityLewisEddyDiffusivity or unityLewisEddyDiffusivity"
        << exit(FatalError);
 
    return tmp<volScalarField>(nullptr);
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<scalarField>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::D
(
    const volScalarField& Yi,
    const label patchi
) const
{
    FatalErrorInFunction
        << type() << " supports single component systems only, " << nl
        << "    for multi-component transport select"
           " nonUnityLewisEddyDiffusivity or unityLewisEddyDiffusivity"
        << exit(FatalError);
 
    return tmp<scalarField>(nullptr);
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<volScalarField>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::DEff
(
    const volScalarField& Yi
) const
{
    FatalErrorInFunction
        << type() << " supports single component systems only, " << nl
        << "    for multi-component transport select"
           " nonUnityLewisEddyDiffusivity or unityLewisEddyDiffusivity"
        << exit(FatalError);
 
    return tmp<volScalarField>(nullptr);
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<scalarField>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::DEff
(
    const volScalarField& Yi,
    const label patchi
) const
{
    FatalErrorInFunction
        << type() << " supports single component systems only, " << nl
        << "    for multi-component transport select"
           " nonUnityLewisEddyDiffusivity or unityLewisEddyDiffusivity"
        << exit(FatalError);
 
    return tmp<scalarField>(nullptr);
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<surfaceScalarField>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::q() const
{
    return surfaceScalarField::New
    (
        IOobject::groupName
        (
            "q",
            this->thermo().phaseName()
        ),
       -fvc::interpolate(this->alpha()*this->kappaEff())
       *fvc::snGrad(this->thermo().T())
    );
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<scalarField> eddyDiffusivity<TurbulenceThermophysicalTransportModel>::q
(
    const label patchi
) const
{
    return
      - (
            this->alpha().boundaryField()[patchi]
           *this->kappaEff(patchi)
           *this->thermo().T().boundaryField()[patchi].snGrad()
        );
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<fvScalarMatrix>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::divq
(
    volScalarField& he
) const
{
    // Return heat flux source as an implicit energy correction
    // to the temperature gradient flux
    return
        -fvc::laplacian(this->alpha()*this->kappaEff(), this->thermo().T())
        -fvm::laplacianCorrection(this->alpha()*this->alphaEff(), he);
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<surfaceScalarField>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::j
(
    const volScalarField& Yi
) const
{
    FatalErrorInFunction
        << type() << " supports single component systems only, " << nl
        << "    for multi-component transport select"
           " nonUnityLewisEddyDiffusivity or unityLewisEddyDiffusivity"
        << exit(FatalError);
 
    return tmp<surfaceScalarField>(nullptr);
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<scalarField>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::j
(
    const volScalarField& Yi,
    const label patchi
) const
{
    FatalErrorInFunction
        << type() << " supports single component systems only, " << nl
        << "    for multi-component transport select"
           " nonUnityLewisEddyDiffusivity or unityLewisEddyDiffusivity"
        << exit(FatalError);
 
    return tmp<scalarField>(nullptr);
}
 
 
template<class TurbulenceThermophysicalTransportModel>
tmp<fvScalarMatrix>
eddyDiffusivity<TurbulenceThermophysicalTransportModel>::divj
(
    volScalarField& Yi
) const
{
    FatalErrorInFunction
        << type() << " supports single component systems only, " << nl
        << "    for multi-component transport select"
           " nonUnityLewisEddyDiffusivity or unityLewisEddyDiffusivity"
        << exit(FatalError);
 
    return tmp<fvScalarMatrix>(nullptr);
}
 
 
template<class TurbulenceThermophysicalTransportModel>
void eddyDiffusivity<TurbulenceThermophysicalTransportModel>::predict()
{
    TurbulenceThermophysicalTransportModel::predict();
    correctAlphat();
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace turbulenceThermophysicalTransportModels
} // End namespace Foam
 
// ************************************************************************* //