mappedVelocityFluxFixedValueFvPatchField.C

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    Copyright (C) 2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "mappedVelocityFluxFixedValueFvPatchField.H"
#include "fvPatchFieldMapper.H"
#include "mappedPatchBase.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "addToRunTimeSelectionTable.H"
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::mappedVelocityFluxFixedValueFvPatchField::
mappedVelocityFluxFixedValueFvPatchField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF
)
:
    fixedValueFvPatchVectorField(p, iF),
    phiName_("phi")
{}
 
 
Foam::mappedVelocityFluxFixedValueFvPatchField::
mappedVelocityFluxFixedValueFvPatchField
(
    const mappedVelocityFluxFixedValueFvPatchField& ptf,
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchVectorField(ptf, p, iF, mapper),
    phiName_(ptf.phiName_)
{
    if (!isA<mappedPatchBase>(this->patch().patch()))
    {
        FatalErrorInFunction
            << "Patch type '" << p.type()
            << "' not type '" << mappedPatchBase::typeName << "'"
            << " for patch " << p.name()
            << " of field " << internalField().name()
            << " in file " << internalField().objectPath()
            << exit(FatalError);
    }
}
 
 
Foam::mappedVelocityFluxFixedValueFvPatchField::
mappedVelocityFluxFixedValueFvPatchField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchVectorField(p, iF, dict),
    phiName_(dict.getOrDefault<word>("phi", "phi"))
{
    if (!isA<mappedPatchBase>(this->patch().patch()))
    {
        FatalErrorInFunction
            << "Patch type '" << p.type()
            << "' not type '" << mappedPatchBase::typeName << "'"
            << " for patch " << p.name()
            << " of field " << internalField().name()
            << " in file " << internalField().objectPath()
            << exit(FatalError);
    }
 
    const mappedPatchBase& mpp = refCast<const mappedPatchBase>
    (
        this->patch().patch(),
        dict
    );
    if (mpp.mode() == mappedPolyPatch::NEARESTCELL)
    {
        FatalErrorInFunction
            << "Patch " << p.name()
            << " of type '" << p.type()
            << "' can not be used in 'nearestCell' mode"
            << " of field " << internalField().name()
            << " in file " << internalField().objectPath()
            << exit(FatalError);
    }
}
 
 
Foam::mappedVelocityFluxFixedValueFvPatchField::
mappedVelocityFluxFixedValueFvPatchField
(
    const mappedVelocityFluxFixedValueFvPatchField& ptf
)
:
    fixedValueFvPatchVectorField(ptf),
    phiName_(ptf.phiName_)
{}
 
 
Foam::mappedVelocityFluxFixedValueFvPatchField::
mappedVelocityFluxFixedValueFvPatchField
(
    const mappedVelocityFluxFixedValueFvPatchField& ptf,
    const DimensionedField<vector, volMesh>& iF
)
:
    fixedValueFvPatchVectorField(ptf, iF),
    phiName_(ptf.phiName_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::mappedVelocityFluxFixedValueFvPatchField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    // Since we're inside initEvaluate/evaluate there might be processor
    // comms underway. Change the tag we use.
    int oldTag = UPstream::msgType();
    UPstream::msgType() = oldTag+1;
 
    // Get the mappedPatchBase
    const mappedPatchBase& mpp = refCast<const mappedPatchBase>
    (
        mappedVelocityFluxFixedValueFvPatchField::patch().patch()
    );
    const fvMesh& nbrMesh = refCast<const fvMesh>(mpp.sampleMesh());
    const word& fieldName = internalField().name();
    const volVectorField& UField =
        nbrMesh.lookupObject<volVectorField>(fieldName);
 
    const surfaceScalarField& phiField =
        nbrMesh.lookupObject<surfaceScalarField>(phiName_);
 
    vectorField newUValues;
    scalarField newPhiValues;
 
    switch (mpp.mode())
    {
        case mappedPolyPatch::NEARESTFACE:
        {
            vectorField allUValues(nbrMesh.nFaces(), Zero);
            scalarField allPhiValues(nbrMesh.nFaces(), Zero);
 
            forAll(UField.boundaryField(), patchi)
            {
                const fvPatchVectorField& Upf = UField.boundaryField()[patchi];
                const scalarField& phipf = phiField.boundaryField()[patchi];
 
                label faceStart = Upf.patch().start();
 
                forAll(Upf, facei)
                {
                    allUValues[faceStart + facei] = Upf[facei];
                    allPhiValues[faceStart + facei] = phipf[facei];
                }
            }
 
            mpp.distribute(allUValues);
            newUValues.transfer(allUValues);
 
            mpp.distribute(allPhiValues);
            newPhiValues.transfer(allPhiValues);
 
            break;
        }
        case mappedPolyPatch::NEARESTPATCHFACE:
        case mappedPolyPatch::NEARESTPATCHFACEAMI:
        {
            const label nbrPatchID =
                nbrMesh.boundaryMesh().findPatchID(mpp.samplePatch());
 
            newUValues = UField.boundaryField()[nbrPatchID];
            mpp.distribute(newUValues);
 
            newPhiValues = phiField.boundaryField()[nbrPatchID];
            mpp.distribute(newPhiValues);
 
            break;
        }
        default:
        {
            FatalErrorInFunction
                << "patch can only be used in NEARESTPATCHFACE, "
                << "NEARESTPATCHFACEAMI or NEARESTFACE mode" << nl
                << abort(FatalError);
        }
    }
 
    operator==(newUValues);
    const_cast<surfaceScalarField&>
    (
        phiField
    ).boundaryFieldRef()[patch().index()] == newPhiValues;
 
    // Restore tag
    UPstream::msgType() = oldTag;
 
    fixedValueFvPatchVectorField::updateCoeffs();
}
 
 
void Foam::mappedVelocityFluxFixedValueFvPatchField::write
(
    Ostream& os
) const
{
    fvPatchVectorField::write(os);
    os.writeEntryIfDifferent<word>("phi", "phi", phiName_);
    this->writeEntry("value", os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makePatchTypeField
    (
        fvPatchVectorField,
        mappedVelocityFluxFixedValueFvPatchField
    );
}
 
 
// ************************************************************************* //