fixedFluxPressureFvPatchScalarField.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

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#include "fixedFluxPressureFvPatchScalarField.H"
#include <finiteVolume/fvPatchFieldMapper.H>
#include <finiteVolume/volFields.H>
#include <finiteVolume/surfaceFields.H>
#include <OpenFOAM/addToRunTimeSelectionTable.H>

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

Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(p, iF),
    UName_("U"),
    phiName_("phi"),
    rhoName_("rho"),
    adjoint_(false)
{}


Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fixedFluxPressureFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedGradientFvPatchScalarField(ptf, p, iF, mapper),
    UName_(ptf.UName_),
    phiName_(ptf.phiName_),
    rhoName_(ptf.rhoName_),
    adjoint_(ptf.adjoint_)
{}


Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedGradientFvPatchScalarField(p, iF),
    UName_(dict.lookupOrDefault<word>("U", "U")),
    phiName_(dict.lookupOrDefault<word>("phi", "phi")),
    rhoName_(dict.lookupOrDefault<word>("rho", "rho")),
    adjoint_(dict.lookup("adjoint"))
{
    if (dict.found("gradient"))
    {
        gradient() = scalarField("gradient", dict, p.size());
        fixedGradientFvPatchScalarField::updateCoeffs();
        fixedGradientFvPatchScalarField::evaluate();
    }
    else
    {
        fvPatchField<scalar>::operator=(patchInternalField());
        gradient() = 0.0;
    }
}


Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fixedFluxPressureFvPatchScalarField& wbppsf
)
:
    fixedGradientFvPatchScalarField(wbppsf),
    UName_(wbppsf.UName_),
    phiName_(wbppsf.phiName_),
    rhoName_(wbppsf.rhoName_),
    adjoint_(wbppsf.adjoint_)
{}


Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fixedFluxPressureFvPatchScalarField& wbppsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(wbppsf, iF),
    UName_(wbppsf.UName_),
    phiName_(wbppsf.phiName_),
    rhoName_(wbppsf.rhoName_),
    adjoint_(wbppsf.adjoint_)
{}


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

void Foam::fixedFluxPressureFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }

    const fvPatchField<vector>& Up =
        patch().lookupPatchField<volVectorField, vector>(UName_);

    const surfaceScalarField& phi =
        db().lookupObject<surfaceScalarField>(phiName_);

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

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

        phip /= rhop;
    }

    const fvPatchField<scalar>& rAp =
        patch().lookupPatchField<volScalarField, scalar>("(1|A("+UName_+"))");

    if (adjoint_)
    {
        gradient() = ((patch().Sf() & Up) - phip)/patch().magSf()/rAp;
    }
    else
    {
        gradient() = (phip - (patch().Sf() & Up))/patch().magSf()/rAp;
    }

    fixedGradientFvPatchScalarField::updateCoeffs();
}


void Foam::fixedFluxPressureFvPatchScalarField::write(Ostream& os) const
{
    fvPatchScalarField::write(os);
    if (UName_ != "U")
    {
        os.writeKeyword("U") << UName_ << token::END_STATEMENT << nl;
    }
    if (phiName_ != "phi")
    {
        os.writeKeyword("phi") << phiName_ << token::END_STATEMENT << nl;
    }
    if (rhoName_ != "rho")
    {
        os.writeKeyword("rho") << rhoName_ << token::END_STATEMENT << nl;
    }
    os.writeKeyword("adjoint") << adjoint_ << token::END_STATEMENT << nl;
    gradient().writeEntry("gradient", os);
}


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

namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        fixedFluxPressureFvPatchScalarField
    );
}

// ************************ vim: set sw=4 sts=4 et: ************************ //