gradientEnergyFvPatchScalarField.C

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2012 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

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    under the terms of the GNU General Public License as published by
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

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#include "gradientEnergyFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "fvPatchFieldMapper.H"
#include "volFields.H"
#include "basicThermo.H"

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

Foam::gradientEnergyFvPatchScalarField::
gradientEnergyFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(p, iF)
{}


Foam::gradientEnergyFvPatchScalarField::
gradientEnergyFvPatchScalarField
(
    const gradientEnergyFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedGradientFvPatchScalarField(ptf, p, iF, mapper)
{}


Foam::gradientEnergyFvPatchScalarField::
gradientEnergyFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedGradientFvPatchScalarField(p, iF, dict)
{}


Foam::gradientEnergyFvPatchScalarField::
gradientEnergyFvPatchScalarField
(
    const gradientEnergyFvPatchScalarField& tppsf
)
:
    fixedGradientFvPatchScalarField(tppsf)
{}


Foam::gradientEnergyFvPatchScalarField::
gradientEnergyFvPatchScalarField
(
    const gradientEnergyFvPatchScalarField& tppsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(tppsf, iF)
{}


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

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

    const basicThermo& thermo = basicThermo::lookupThermo(*this);
    const label patchi = patch().index();

    const scalarField& pw = thermo.p().boundaryField()[patchi];
    fvPatchScalarField& Tw =
        const_cast<fvPatchScalarField&>(thermo.T().boundaryField()[patchi]);

    Tw.evaluate();

    gradient() = thermo.Cpv(pw, Tw, patchi)*Tw.snGrad()
      + patch().deltaCoeffs()*
        (
            thermo.he(pw, Tw, patchi)
          - thermo.he(pw, Tw, patch().faceCells())
        );

    fixedGradientFvPatchScalarField::updateCoeffs();
}


void Foam::gradientEnergyFvPatchScalarField::write(Ostream& os) const
{
    fixedGradientFvPatchField<scalar>::write(os);
    fvPatchField<scalar>::writeValueEntry(os);
}


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

namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        gradientEnergyFvPatchScalarField
    );
}

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