/*---------------------------------------------------------------------------*\
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    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

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

#include "alphatWallFunctionFvPatchScalarField.H"
#include "thermophysicalTransportModel.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
namespace compressible
{

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

alphatWallFunctionFvPatchScalarField::alphatWallFunctionFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedValueFvPatchScalarField(p, iF),
    Prt_(0.85)
{}


alphatWallFunctionFvPatchScalarField::alphatWallFunctionFvPatchScalarField
(
    const alphatWallFunctionFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchScalarField(ptf, p, iF, mapper),
    Prt_(ptf.Prt_)
{}


alphatWallFunctionFvPatchScalarField::alphatWallFunctionFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchScalarField(p, iF, dict),
    Prt_(dict.lookupOrDefault<scalar>("Prt", 0.85))
{}


alphatWallFunctionFvPatchScalarField::alphatWallFunctionFvPatchScalarField
(
    const alphatWallFunctionFvPatchScalarField& awfpsf
)
:
    fixedValueFvPatchScalarField(awfpsf),
    Prt_(awfpsf.Prt_)
{}


alphatWallFunctionFvPatchScalarField::alphatWallFunctionFvPatchScalarField
(
    const alphatWallFunctionFvPatchScalarField& awfpsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedValueFvPatchScalarField(awfpsf, iF),
    Prt_(awfpsf.Prt_)
{}


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

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

    const label patchi = patch().index();

    const thermophysicalTransportModel& ttm =
        db().lookupObject<thermophysicalTransportModel>
        (
            IOobject::groupName
            (
                thermophysicalTransportModel::typeName,
                internalField().group()
            )
        );

    const compressibleMomentumTransportModel& turbModel =
        ttm.momentumTransport();

    const scalarField& rhow = turbModel.rho().boundaryField()[patchi];

    const tmp<scalarField> tnutw = turbModel.nut(patchi);

    operator==(rhow*tnutw/Prt_);

    fixedValueFvPatchScalarField::updateCoeffs();
}


void alphatWallFunctionFvPatchScalarField::write(Ostream& os) const
{
    fvPatchField<scalar>::write(os);
    writeEntry(os, "Prt", Prt_);
    writeEntry(os, "value", *this);
}


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

makePatchTypeField
(
    fvPatchScalarField,
    alphatWallFunctionFvPatchScalarField
);

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

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

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