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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.

OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "turbulentHeatFluxTemperatureFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "fvPatchFieldMapper.H"
#include "volFields.H"


// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
    // declare specialization within 'Foam' namespace
    template<>
    const char* NamedEnum
    <
        Foam::compressible::
        turbulentHeatFluxTemperatureFvPatchScalarField::heatSourceType,
        2
    >::names[] =
    {
        "power",
        "flux"
    };

}


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


namespace Foam
{

namespace compressible
{

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

const NamedEnum
<
    turbulentHeatFluxTemperatureFvPatchScalarField::heatSourceType,
    2
> turbulentHeatFluxTemperatureFvPatchScalarField::heatSourceTypeNames_;


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

turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(p, iF),
    temperatureCoupledBase(patch(), "undefined", "undefined-K"),
    heatSource_(hsPower),
    q_(p.size(), 0.0)
{}


turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const turbulentHeatFluxTemperatureFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedGradientFvPatchScalarField(ptf, p, iF, mapper),
    temperatureCoupledBase(patch(), ptf.KMethod(), ptf.KName()),
    heatSource_(ptf.heatSource_),
    q_(ptf.q_, mapper)
{}


turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedGradientFvPatchScalarField(p, iF),
    temperatureCoupledBase(patch(), dict),
    heatSource_(heatSourceTypeNames_.read(dict.lookup("heatSource"))),
    q_("q", dict, p.size())
{
    fvPatchField<scalar>::operator=(patchInternalField());
    gradient() = 0.0;
}


turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const turbulentHeatFluxTemperatureFvPatchScalarField& thftpsf
)
:
    fixedGradientFvPatchScalarField(thftpsf),
    temperatureCoupledBase(patch(), thftpsf.KMethod(), thftpsf.KName()),
    heatSource_(thftpsf.heatSource_),
    q_(thftpsf.q_)
{}


turbulentHeatFluxTemperatureFvPatchScalarField::
turbulentHeatFluxTemperatureFvPatchScalarField
(
    const turbulentHeatFluxTemperatureFvPatchScalarField& thftpsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(thftpsf, iF),
    temperatureCoupledBase(patch(), thftpsf.KMethod(), thftpsf.KName()),
    heatSource_(thftpsf.heatSource_),
    q_(thftpsf.q_)
{}


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

void turbulentHeatFluxTemperatureFvPatchScalarField::autoMap
(
    const fvPatchFieldMapper& m
)
{
    fixedGradientFvPatchScalarField::autoMap(m);
    q_.autoMap(m);
}


void turbulentHeatFluxTemperatureFvPatchScalarField::rmap
(
    const fvPatchScalarField& ptf,
    const labelList& addr
)
{
    fixedGradientFvPatchScalarField::rmap(ptf, addr);

    const turbulentHeatFluxTemperatureFvPatchScalarField& thftptf =
        refCast<const turbulentHeatFluxTemperatureFvPatchScalarField>
        (
            ptf
        );

    q_.rmap(thftptf.q_, addr);
}


void turbulentHeatFluxTemperatureFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }

    const scalarField& Tp = *this;

    switch (heatSource_)
    {
        case hsPower:
        {
            const scalar Ap = gSum(patch().magSf());
            gradient() = q_/(Ap*K(Tp));
            break;
        }
        case hsFlux:
        {
            gradient() = q_/K(Tp);
            break;
        }
        default:
        {
            FatalErrorIn
            (
                "turbulentHeatFluxTemperatureFvPatchScalarField::updateCoeffs()"
            ) << "Unknown heat source type. Valid types are: "
                << heatSourceTypeNames_ << nl << exit(FatalError);
        }
    }

    fixedGradientFvPatchScalarField::updateCoeffs();
}


void turbulentHeatFluxTemperatureFvPatchScalarField::write
(
    Ostream& os
) const
{
    fixedGradientFvPatchScalarField::write(os);
    os.writeKeyword("heatSource") << heatSourceTypeNames_[heatSource_]
        << token::END_STATEMENT << nl;
    temperatureCoupledBase::write(os);
    q_.writeEntry("q", os);
    writeEntry("value", os);
}


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

makePatchTypeField
(
    fvPatchScalarField,
    turbulentHeatFluxTemperatureFvPatchScalarField
);


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

} // End namespace compressible
} // End namespace Foam


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

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