fixedFluxPressureFvPatchScalarField.C

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    Copyright (C) 2015-2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "fixedFluxPressureFvPatchScalarField.H"
#include "fvPatchFieldMapper.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(p, iF),
    curTimeIndex_(-1)
{}
 
 
Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedGradientFvPatchScalarField(p, iF),
    curTimeIndex_(-1)
{
    patchType() = dict.getOrDefault<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::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fixedFluxPressureFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedGradientFvPatchScalarField(p, iF),
    curTimeIndex_(-1)
{
    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->map(ptf, mapper);
    }
}
 
 
Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fixedFluxPressureFvPatchScalarField& wbppsf
)
:
    fixedGradientFvPatchScalarField(wbppsf),
    curTimeIndex_(-1)
{}
 
 
Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
(
    const fixedFluxPressureFvPatchScalarField& wbppsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(wbppsf, iF),
    curTimeIndex_(-1)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::fixedFluxPressureFvPatchScalarField::updateSnGrad
(
    const scalarField& snGradp
)
{
    if (updated())
    {
        return;
    }
 
    curTimeIndex_ = this->db().time().timeIndex();
 
    gradient() = snGradp;
    fixedGradientFvPatchScalarField::updateCoeffs();
}
 
 
void Foam::fixedFluxPressureFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    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::fixedFluxPressureFvPatchScalarField::write(Ostream& os) const
{
    fixedGradientFvPatchScalarField::write(os);
    writeEntry("value", os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        fixedFluxPressureFvPatchScalarField
    );
}
 
 
// ************************************************************************* //