pressureNormalInletOutletVelocityFvPatchVectorField.C

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    Copyright (C) 2017-2020 OpenCFD Ltd.
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License
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#include "pressureNormalInletOutletVelocityFvPatchVectorField.H"
#include "addToRunTimeSelectionTable.H"
#include "fvPatchFieldMapper.H"
#include "volFields.H"
#include "surfaceFields.H"


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::pressureNormalInletOutletVelocityFvPatchVectorField::
pressureNormalInletOutletVelocityFvPatchVectorField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF
)
:
    mixedFvPatchVectorField(p, iF),
    phiName_("phi"),
    rhoName_("rho")
{
    refValue() = *this;
    refGrad() = Zero;
    valueFraction() = 0.0;
}


Foam::pressureNormalInletOutletVelocityFvPatchVectorField::
pressureNormalInletOutletVelocityFvPatchVectorField
(
    const pressureNormalInletOutletVelocityFvPatchVectorField& ptf,
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    mixedFvPatchVectorField(ptf, p, iF, mapper),
    phiName_(ptf.phiName_),
    rhoName_(ptf.rhoName_)
{}


Foam::pressureNormalInletOutletVelocityFvPatchVectorField::
pressureNormalInletOutletVelocityFvPatchVectorField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const dictionary& dict
)
:
    mixedFvPatchVectorField(p, iF),
    phiName_(dict.getOrDefault<word>("phi", "phi")),
    rhoName_(dict.getOrDefault<word>("rho", "rho"))
{
    patchType() = dict.getOrDefault<word>("patchType", word::null);
    fvPatchVectorField::operator=(vectorField("value", dict, p.size()));
    refValue() = *this;
    refGrad() = Zero;
    valueFraction() = 0.0;
}


Foam::pressureNormalInletOutletVelocityFvPatchVectorField::
pressureNormalInletOutletVelocityFvPatchVectorField
(
    const pressureNormalInletOutletVelocityFvPatchVectorField& pivpvf
)
:
    mixedFvPatchVectorField(pivpvf),
    phiName_(pivpvf.phiName_),
    rhoName_(pivpvf.rhoName_)
{}


Foam::pressureNormalInletOutletVelocityFvPatchVectorField::
pressureNormalInletOutletVelocityFvPatchVectorField
(
    const pressureNormalInletOutletVelocityFvPatchVectorField& pivpvf,
    const DimensionedField<vector, volMesh>& iF
)
:
    mixedFvPatchVectorField(pivpvf, iF),
    phiName_(pivpvf.phiName_),
    rhoName_(pivpvf.rhoName_)
{}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

void Foam::pressureNormalInletOutletVelocityFvPatchVectorField::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();
    const Field<scalar>& magS = patch().magSf();

    if (phi.dimensions() == dimVelocity*dimArea)
    {
        refValue() = n*phip/magS;
    }
    else if (phi.dimensions() == dimDensity*dimVelocity*dimArea)
    {
        const fvPatchField<scalar>& rhop =
            patch().lookupPatchField<volScalarField, scalar>(rhoName_);

        refValue() = n*phip/(rhop*magS);
    }
    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() = 1.0 - pos0(phip);

    mixedFvPatchVectorField::updateCoeffs();
}


void Foam::pressureNormalInletOutletVelocityFvPatchVectorField::write
(
    Ostream& os
) const
{
    fvPatchVectorField::write(os);
    os.writeEntry("phi", phiName_);
    os.writeEntry("rho", rhoName_);
    writeEntry("value", os);
}


// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //

void Foam::pressureNormalInletOutletVelocityFvPatchVectorField::operator=
(
    const fvPatchField<vector>& pvf
)
{
    fvPatchField<vector>::operator=
    (
        valueFraction()*(patch().nf()*(patch().nf() & pvf))
      + (1 - valueFraction())*pvf
    );
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
    makePatchTypeField
    (
        fvPatchVectorField,
        pressureNormalInletOutletVelocityFvPatchVectorField
    );
}

// ************************************************************************* //