wallHeatTransferFvPatchScalarField.C

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#include "wallHeatTransferFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "fvPatchFieldMapper.H"
#include "singlePhaseTransportModel.H"
#include "turbulentTransportModel.H"
 
namespace Foam
{
 
namespace incompressible
{
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
wallHeatTransferFvPatchScalarField::wallHeatTransferFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    mixedFvPatchScalarField(p, iF),
    Tinf_(p.size(), 0.0),
    alphaWall_(p.size(), 0.0)
{
    refValue() = 0.0;
    refGrad() = 0.0;
    valueFraction() = 0.0;
}
 
 
wallHeatTransferFvPatchScalarField::wallHeatTransferFvPatchScalarField
(
    const wallHeatTransferFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    mixedFvPatchScalarField(ptf, p, iF, mapper),
    Tinf_(ptf.Tinf_, mapper),
    alphaWall_(ptf.alphaWall_, mapper)
{}
 
 
wallHeatTransferFvPatchScalarField::wallHeatTransferFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    mixedFvPatchScalarField(p, iF),
    Tinf_("Tinf", dict, p.size()),
    alphaWall_("alphaWall", dict, p.size())
{
    refValue() = Tinf_;
    refGrad() = 0.0;
    valueFraction() = 0.0;
 
    if (dict.found("value"))
    {
        fvPatchField<scalar>::operator=
        (
            scalarField("value", dict, p.size())
        );
    }
    else
    {
        evaluate();
    }
}
 
 
wallHeatTransferFvPatchScalarField::wallHeatTransferFvPatchScalarField
(
    const wallHeatTransferFvPatchScalarField& tppsf
)
:
    mixedFvPatchScalarField(tppsf),
    Tinf_(tppsf.Tinf_),
    alphaWall_(tppsf.alphaWall_)
{}
 
 
wallHeatTransferFvPatchScalarField::wallHeatTransferFvPatchScalarField
(
    const wallHeatTransferFvPatchScalarField& tppsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    mixedFvPatchScalarField(tppsf, iF),
    Tinf_(tppsf.Tinf_),
    alphaWall_(tppsf.alphaWall_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void wallHeatTransferFvPatchScalarField::autoMap
(
    const fvPatchFieldMapper& m
)
{
    scalarField::autoMap(m);
    Tinf_.autoMap(m);
    alphaWall_.autoMap(m);
}
 
 
void wallHeatTransferFvPatchScalarField::rmap
(
    const fvPatchScalarField& ptf,
    const labelList& addr
)
{
    mixedFvPatchScalarField::rmap(ptf, addr);
 
    const wallHeatTransferFvPatchScalarField& tiptf =
        refCast<const wallHeatTransferFvPatchScalarField>(ptf);
 
    Tinf_.rmap(tiptf.Tinf_, addr);
    alphaWall_.rmap(tiptf.alphaWall_, addr);
}
 
 
void wallHeatTransferFvPatchScalarField::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());
 
    const scalarField kappaEff(rho * Cp0 * (nu/Pr + alphat));
 
    valueFraction() =
        1.0/
        (
            1.0
          + kappaEff*patch().deltaCoeffs()/alphaWall_
        );
 
    mixedFvPatchScalarField::updateCoeffs();
}
 
 
void wallHeatTransferFvPatchScalarField::write(Ostream& os) const
{
    fvPatchScalarField::write(os);
    Tinf_.writeEntry("Tinf", os);
    alphaWall_.writeEntry("alphaWall", os);
    writeEntry("value", os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
makePatchTypeField
(
     fvPatchScalarField,
     wallHeatTransferFvPatchScalarField
 );
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace incompressible
} // End namespace Foam
 
// ************************************************************************* //