entrainmentPressureFvPatchScalarField.C

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#include "entrainmentPressureFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "volFields.H"
#include "surfaceFields.H"

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

Foam::entrainmentPressureFvPatchScalarField::
entrainmentPressureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    dynamicPressureFvPatchScalarField(p, iF),
    phiName_("phi")
{}


Foam::entrainmentPressureFvPatchScalarField::
entrainmentPressureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    dynamicPressureFvPatchScalarField(p, iF, dict),
    phiName_(dict.lookupOrDefault<word>("phi", "phi"))
{}


Foam::entrainmentPressureFvPatchScalarField::
entrainmentPressureFvPatchScalarField
(
    const entrainmentPressureFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    dynamicPressureFvPatchScalarField(ptf, p, iF, mapper),
    phiName_(ptf.phiName_)
{}


Foam::entrainmentPressureFvPatchScalarField::
entrainmentPressureFvPatchScalarField
(
    const entrainmentPressureFvPatchScalarField& tppsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    dynamicPressureFvPatchScalarField(tppsf, iF),
    phiName_(tppsf.phiName_)
{}


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

void Foam::entrainmentPressureFvPatchScalarField::updateCoeffs()
{
    const surfaceScalarField& phi =
        db().lookupObject<surfaceScalarField>(phiName_);

    const fvsPatchField<scalar>& phip =
        patch().patchField<surfaceScalarField, scalar>(phi);

    scalarField Unp(phip/patch().magSf());

    if (phi.dimensions() == dimMassFlux)
    {
        const fvPatchField<scalar>& rhop =
            patch().lookupPatchField<volScalarField, scalar>(rhoName_);

        Unp /= rhop;
    }

    dynamicPressureFvPatchScalarField::updateCoeffs
    (
        p0_,
        0.5*negPart(Unp)*mag(Unp)
    );
}


void Foam::entrainmentPressureFvPatchScalarField::write(Ostream& os) const
{
    dynamicPressureFvPatchScalarField::write(os);
    writeEntryIfDifferent<word>(os, "phi", "phi", phiName_);
}


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

namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        entrainmentPressureFvPatchScalarField
    );
}

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