qgdFluxFvPatchScalarField.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
    Copyright (C) 2016-2019 ISP RAS (www.ispras.ru) UniCFD Group (www.unicfd.ru)
-------------------------------------------------------------------------------
License
    This file is part of QGDsolver library, based on 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
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\*---------------------------------------------------------------------------*/

#include "qgdFluxFvPatchScalarField.H"
#include "fvPatchFieldMapper.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "addToRunTimeSelectionTable.H"

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

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


Foam::qgdFluxFvPatchScalarField::qgdFluxFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedGradientFvPatchScalarField(p, iF)
{
    patchType() = dict.lookupOrDefault<word>("patchType", word::null);

    if (dict.found("value") && dict.found("gradient"))
    {
        fvPatchField<scalar>::operator=
        (
            scalarField("value", dict, p.size())
        );
        gradient() = scalarField("gradient", dict, p.size());
    }
    else
    {
        fvPatchField<scalar>::operator=(patchInternalField());
        gradient() = 0.0;
    }
}


Foam::qgdFluxFvPatchScalarField::qgdFluxFvPatchScalarField
(
    const qgdFluxFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedGradientFvPatchScalarField(p, iF)
{
    patchType() = ptf.patchType();

    // Map gradient. Set unmapped values and overwrite with mapped ptf
    gradient() = 0.0;
    gradient().map(ptf.gradient(), mapper);

    // Evaluate the value field from the gradient if the internal field is valid
    if (notNull(iF))
    {
        if (iF.size())
        {
            // Note: cannot ask for nf() if zero faces

            scalarField::operator=
            (
                //patchInternalField() + gradient()/patch().deltaCoeffs()
                // ***HGW Hack to avoid the construction of mesh.deltaCoeffs
                // which fails for AMI patches for some mapping operations
                patchInternalField()
              + gradient()*(patch().nf() & patch().delta())
            );
    }
    else
    {
        // Enforce mapping of values so we have a valid starting value. This
        // constructor is used when reconstructing fields
        this->map(ptf, mapper);
        }
    }
    else
    {
        // Enforce mapping of values so we have a valid starting value
        this->map(ptf, mapper);
    }
}


Foam::qgdFluxFvPatchScalarField::qgdFluxFvPatchScalarField
(
    const qgdFluxFvPatchScalarField& wbppsf
)
:
    fixedGradientFvPatchScalarField(wbppsf)
{}


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


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

//void Foam::qgdFluxFvPatchScalarField::updateSnGrad
//(
//    const scalarField& snGradp
//)
//{
//     if (updated())
//     {
//         return;
//     }
//
//     curTimeIndex_ = this->db().time().timeIndex();
//
//     gradient() = snGradp;
//     fixedGradientFvPatchScalarField::updateCoeffs();
// }


void Foam::qgdFluxFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
    
    if (this->patch().boundaryMesh().mesh().thisDb().
        foundObject<surfaceScalarField>("phiwStar")
       )
    {
        const surfaceScalarField& phiws =
            this->patch().boundaryMesh().mesh().
            thisDb().lookupObject<surfaceScalarField>
            ("phiwStar");
            
        if (this->patch().boundaryMesh().mesh().thisDb().
            foundObject<surfaceScalarField>("tauQGDf")
           )
        {
            const surfaceScalarField& tauQGDf = 
                this->patch().boundaryMesh().mesh().
                thisDb().lookupObject<surfaceScalarField>
                ("tauQGDf");

            scalarField fluxSnGrad
            (
                phiws.boundaryField()[patch().index()]
                /
                tauQGDf.boundaryField()[patch().index()]
                /
                patch().magSf()
            );
            this->gradient() = -fluxSnGrad;
            
        }
    }
    
    fixedGradientFvPatchScalarField::updateCoeffs();
    
    // if (curTimeIndex_ != this->db().time().timeIndex())
    // {
    //     FatalErrorInFunction
    //         << "updateCoeffs(const scalarField& snGradp) MUST be called before"
    //            " updateCoeffs() or evaluate() to set the boundary gradient."
    //         << exit(FatalError);
    // }


}


void Foam::qgdFluxFvPatchScalarField::write(Ostream& os) const
{
    fixedGradientFvPatchScalarField::write(os);
    writeEntry("value", os);
}


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

namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        qgdFluxFvPatchScalarField
    );
}


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