alphatPhaseChangeWallFunctionFvPatchScalarField.C

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#include "alphatPhaseChangeWallFunctionFvPatchScalarField.H"
#include "wallPhaseChange.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
const Foam::UPtrList<const Foam::fv::wallPhaseChange>&
Foam::alphatPhaseChangeWallFunctionFvPatchScalarField::models() const
{
    if (models_.size()) return models_;
 
    const Foam::fvModels& fvModels =
        Foam::fvModels::New(internalField().mesh());
 
    forAll(fvModels, fvModeli)
    {
        if (!isA<fv::wallPhaseChange>(fvModels[fvModeli])) continue;
 
        const fv::wallPhaseChange& model =
            refCast<const fv::wallPhaseChange>(fvModels[fvModeli]);
 
        if
        (
            &internalField() == &model.alphats().first()
         || &internalField() == &model.alphats().second()
        )
        {
            models_.append(&model);
        }
    }
 
    if (models_.empty())
    {
        FatalErrorInFunction
            << "No wall phase-change models found for " << typeName
            << " boundary condition of field " << internalField().name()
            << " on patch " << patch().name() << exit(FatalError);
    }
 
    return models_;
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * /
 
Foam::alphatPhaseChangeWallFunctionFvPatchScalarField::
alphatPhaseChangeWallFunctionFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, fvMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchScalarField(p, iF, dict),
    models_()
{}
 
 
Foam::alphatPhaseChangeWallFunctionFvPatchScalarField::
alphatPhaseChangeWallFunctionFvPatchScalarField
(
    const alphatPhaseChangeWallFunctionFvPatchScalarField& psf,
    const fvPatch& p,
    const DimensionedField<scalar, fvMesh>& iF,
    const fieldMapper& mapper
)
:
    fixedValueFvPatchScalarField(psf, p, iF, mapper),
    models_()
{}
 
 
Foam::alphatPhaseChangeWallFunctionFvPatchScalarField::
alphatPhaseChangeWallFunctionFvPatchScalarField
(
    const alphatPhaseChangeWallFunctionFvPatchScalarField& psf,
    const DimensionedField<scalar, fvMesh>& iF
)
:
    fixedValueFvPatchScalarField(psf, iF),
    models_()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::alphatPhaseChangeWallFunctionFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    const UPtrList<const fv::wallPhaseChange>& models = this->models();
 
    // Apply the first model to the entire patch, and subsequent models only to
    // the active portion of the patch. This assumes that the models active
    // regions do not overlap. If it turns out that we do need to support
    // multiple models simultaneously causing phase-change on the same face,
    // then these models will need to get more collaborative and we have to
    // think about how to do that.
    forAll(models, modeli)
    {
        const fv::wallPhaseChange& model = models[modeli];
 
        const scalarField& alphat =
            &internalField() == &model.alphats().first()
          ? model.alphats(patch().index()).first()
          : model.alphats(patch().index()).second();
 
        if (modeli == 0)
        {
            operator==(alphat);
        }
        else
        {
            const scalarField& active = model.active(patch().index());
            operator==((1 - active)*(*this) + active*alphat);
        }
    }
 
    fixedValueFvPatchScalarField::updateCoeffs();
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        alphatPhaseChangeWallFunctionFvPatchScalarField
    );
}
 
 
// ************************************************************************* //