pressureDirectedInletOutletVelocityFvPatchVectorField.C

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#include "pressureDirectedInletOutletVelocityFvPatchVectorField.H"
#include "addToRunTimeSelectionTable.H"
#include "fieldMapper.H"
#include "volFields.H"
#include "surfaceFields.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::pressureDirectedInletOutletVelocityFvPatchVectorField::
pressureDirectedInletOutletVelocityFvPatchVectorField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const dictionary& dict
)
:
    mixedFvPatchVectorField(p, iF, dict, false),
    phiName_(dict.lookupOrDefault<word>("phi", "phi")),
    rhoName_(dict.lookupOrDefault<word>("rho", "rho")),
    inletDir_("inletDirection", dimless, dict, p.size())
{
    fvPatchVectorField::operator=
    (
        vectorField("value", iF.dimensions(), dict, p.size())
    );
    refValue() = *this;
    refGrad() = Zero;
    valueFraction() = 0.0;
}
 
 
Foam::pressureDirectedInletOutletVelocityFvPatchVectorField::
pressureDirectedInletOutletVelocityFvPatchVectorField
(
    const pressureDirectedInletOutletVelocityFvPatchVectorField& ptf,
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const fieldMapper& mapper
)
:
    mixedFvPatchVectorField(ptf, p, iF, mapper),
    phiName_(ptf.phiName_),
    rhoName_(ptf.rhoName_),
    inletDir_(mapper(ptf.inletDir_))
{}
 
 
Foam::pressureDirectedInletOutletVelocityFvPatchVectorField::
pressureDirectedInletOutletVelocityFvPatchVectorField
(
    const pressureDirectedInletOutletVelocityFvPatchVectorField& pivpvf,
    const DimensionedField<vector, volMesh>& iF
)
:
    mixedFvPatchVectorField(pivpvf, iF),
    phiName_(pivpvf.phiName_),
    rhoName_(pivpvf.rhoName_),
    inletDir_(pivpvf.inletDir_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::pressureDirectedInletOutletVelocityFvPatchVectorField::map
(
    const fvPatchVectorField& ptf,
    const fieldMapper& mapper
)
{
    mixedFvPatchVectorField::map(ptf, mapper);
 
    const pressureDirectedInletOutletVelocityFvPatchVectorField& tiptf =
        refCast<const pressureDirectedInletOutletVelocityFvPatchVectorField>
        (ptf);
 
    mapper(inletDir_, tiptf.inletDir_);
}
 
 
void Foam::pressureDirectedInletOutletVelocityFvPatchVectorField::reset
(
    const fvPatchVectorField& ptf
)
{
    mixedFvPatchVectorField::reset(ptf);
 
    const pressureDirectedInletOutletVelocityFvPatchVectorField& tiptf =
        refCast<const pressureDirectedInletOutletVelocityFvPatchVectorField>
        (ptf);
 
    inletDir_.reset(tiptf.inletDir_);
}
 
 
void Foam::pressureDirectedInletOutletVelocityFvPatchVectorField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    const surfaceScalarField& phi =
        db().lookupObject<surfaceScalarField>(phiName_);
 
    const fvsPatchField<scalar>& phip =
        patch().patchField<surfaceScalarField, scalar>(phi);
 
    tmp<vectorField> n = patch().nf();
    tmp<scalarField> ndmagS = (n & inletDir_)*patch().magSf();
 
    if (phi.dimensions() == dimVolumetricFlux)
    {
        refValue() = inletDir_*phip/ndmagS;
    }
    else if (phi.dimensions() == dimMassFlux)
    {
        const fvPatchField<scalar>& rhop =
            patch().lookupPatchField<volScalarField, scalar>(rhoName_);
 
        refValue() = inletDir_*phip/(rhop*ndmagS);
    }
    else
    {
        FatalErrorInFunction
            << "dimensions of phi are not correct"
            << "\n    on patch " << this->patch().name()
            << " of field " << this->internalField().name()
            << " in file " << this->internalField().objectPath()
            << exit(FatalError);
    }
 
    valueFraction() = neg(phip);
 
    mixedFvPatchVectorField::updateCoeffs();
}
 
 
void Foam::pressureDirectedInletOutletVelocityFvPatchVectorField::write
(
    Ostream& os
) const
{
    fvPatchVectorField::write(os);
    writeEntryIfDifferent<word>(os, "phi", "phi", phiName_);
    writeEntryIfDifferent<word>(os, "rho", "rho", rhoName_);
    writeEntry(os, "inletDirection", inletDir_);
    writeEntry(os, "value", *this);
}
 
 
// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
void Foam::pressureDirectedInletOutletVelocityFvPatchVectorField::operator=
(
    const fvPatchField<vector>& pvf
)
{
    fvPatchField<vector>::operator=
    (
        valueFraction()*(inletDir_*(inletDir_ & pvf))
      + (1 - valueFraction())*pvf
    );
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makePatchTypeField
    (
        fvPatchVectorField,
        pressureDirectedInletOutletVelocityFvPatchVectorField
    );
}
 
// ************************************************************************* //