turbulentHeatFluxTemperatureFvPatchScalarField.C

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#include "turbulentHeatFluxTemperatureFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "fvCFD.H"
#include "fvPatchFieldMapper.H"
#include "singlePhaseTransportModel.H"
#include "turbulentTransportModel.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    // declare specialization within 'Foam' namespace
    template<>
    const char* NamedEnum
    <
        Foam::incompressible::
        turbulentHeatFluxTemperatureFvPatchScalarField::heatSourceType,
        2
    >::names[] =
    {
        "power",
        "flux"
    };
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 
namespace Foam
{
 
namespace incompressible
{
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
const NamedEnum
<
    turbulentHeatFluxTemperatureFvPatchScalarField::heatSourceType,
    2
> turbulentHeatFluxTemperatureFvPatchScalarField::heatSourceTypeNames_;
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(p, iF),
    heatSource_(hsPower),
    q_(p.size(), 0.0),
    QrName_("undefinedQr")
{}
 
 
turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const turbulentHeatFluxTemperatureFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedGradientFvPatchScalarField(ptf, p, iF, mapper),
    heatSource_(ptf.heatSource_),
    q_(ptf.q_, mapper),
    QrName_(ptf.QrName_)
{}
 
 
turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedGradientFvPatchScalarField(p, iF),
    heatSource_(heatSourceTypeNames_.read(dict.lookup("heatSource"))),
    q_("q", dict, p.size()),
    QrName_(dict.lookupOrDefault<word>("Qr", "none"))
{
    if (dict.found("value") && dict.found("gradient"))
    {
        fvPatchField<scalar>::operator=(Field<scalar>("value", dict, p.size()));
        gradient() = Field<scalar>("gradient", dict, p.size());
    }
    else
    {
        fvPatchField<scalar>::operator=(patchInternalField());
        gradient() = 0.0;
    }
}
 
 
turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const turbulentHeatFluxTemperatureFvPatchScalarField& thftpsf
)
:
    fixedGradientFvPatchScalarField(thftpsf),
    heatSource_(thftpsf.heatSource_),
    q_(thftpsf.q_),
    QrName_(thftpsf.QrName_)
{}
 
 
turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const turbulentHeatFluxTemperatureFvPatchScalarField& thftpsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(thftpsf, iF),
    heatSource_(thftpsf.heatSource_),
    q_(thftpsf.q_),
    QrName_(thftpsf.QrName_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void turbulentHeatFluxTemperatureFvPatchScalarField::autoMap
(
    const fvPatchFieldMapper& m
)
{
    fixedGradientFvPatchScalarField::autoMap(m);
    q_.autoMap(m);
}
 
 
void turbulentHeatFluxTemperatureFvPatchScalarField::rmap
(
    const fvPatchScalarField& ptf,
    const labelList& addr
)
{
    fixedGradientFvPatchScalarField::rmap(ptf, addr);
 
    const turbulentHeatFluxTemperatureFvPatchScalarField& thftptf =
        refCast<const turbulentHeatFluxTemperatureFvPatchScalarField>
        (
            ptf
        );
 
    q_.rmap(thftptf.q_, addr);
}
 
 
void turbulentHeatFluxTemperatureFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    const scalarField& alphat =
        patch().lookupPatchField<volScalarField, scalar>("alphat");
 
    typedef incompressible::turbulenceModel iTModel;
    const iTModel& tModel =
        db().lookupObject<iTModel>
        (
            IOobject::groupName
            (
                turbulenceModel::propertiesName,
                dimensionedInternalField().group()
            )
        );
 
    // need kappaEff = kappa(laminar) + kappat, where kappal = nu/Pr
    // See applications/solvers/heatTransfer/buoyantBoussinesqSimpleFoam/TEqn.H
    const label patchI = patch().index();
    const scalarField& nu = tModel.nu()->boundaryField()[patchI];
    const singlePhaseTransportModel & transport = 
      static_cast<const singlePhaseTransportModel &>(tModel.transport());
    const scalar
      Pr(dimensionedScalar(transport.lookup("Pr")).value());
    const scalar Cp0(dimensionedScalar(transport.lookup("Cp")).value());
    const scalar rho(dimensionedScalar(transport.lookup("rho")).value());
 
    scalarField qr(this->size(), 0.0);
 
    //- Qr is negative going into the domain
    if (QrName_ != "none") 
    {
        qr = patch().lookupPatchField<volScalarField, scalar>(QrName_);
    }
 
    const scalarField kappaEff(rho * Cp0 * (nu/Pr + alphat));
 
    switch (heatSource_)
    {
        case hsPower:
        {
            const scalar Ap = gSum(patch().magSf());
            gradient() = (q_/Ap + qr) / kappaEff;
            break;
        }
        case hsFlux:
        {
        gradient() = (q_ + qr) / kappaEff;
            break;
        }
        default:
        {
            FatalErrorInFunction
          << "Unknown heat source type. Valid types are: "
          << heatSourceTypeNames_ << nl << exit(FatalError);
        }
    }
 
    fixedGradientFvPatchScalarField::updateCoeffs();
}
 
 
void turbulentHeatFluxTemperatureFvPatchScalarField::write(Ostream& os) const
{
    fixedGradientFvPatchScalarField::write(os);
    os.writeKeyword("heatSource") << heatSourceTypeNames_[heatSource_]
        << token::END_STATEMENT << nl;
    q_.writeEntry("q", os);
    os.writeKeyword("Qr")<< QrName_ << token::END_STATEMENT << nl;
    writeEntry("value", os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
makePatchTypeField
(
    fvPatchScalarField,
    turbulentHeatFluxTemperatureFvPatchScalarField
);
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace incompressible
} // End namespace Foam
 
// ************************************************************************* //