epsilonmWallFunctionFvPatchScalarField.C

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#include "epsilonmWallFunctionFvPatchScalarField.H"
#include "fvMatrix.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

Foam::scalar Foam::epsilonmWallFunctionFvPatchScalarField::tolerance_ = 1e-1;


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

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


Foam::epsilonmWallFunctionFvPatchScalarField::
epsilonmWallFunctionFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchField<scalar>(p, iF, dict)
{
    // Apply zero-gradient condition on start-up
    this->operator==(patchInternalField());
}


Foam::epsilonmWallFunctionFvPatchScalarField::
epsilonmWallFunctionFvPatchScalarField
(
    const epsilonmWallFunctionFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchField<scalar>(ptf, p, iF, mapper)
{}


Foam::epsilonmWallFunctionFvPatchScalarField::
epsilonmWallFunctionFvPatchScalarField
(
    const epsilonmWallFunctionFvPatchScalarField& ewfpsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedValueFvPatchField<scalar>(ewfpsf, iF)
{}


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

void Foam::epsilonmWallFunctionFvPatchScalarField::manipulateMatrix
(
    fvMatrix<scalar>& matrix
)
{
    if (manipulatedMatrix())
    {
        return;
    }

    const DimensionedField<scalar, volMesh>& epsilon = internalField();

    scalarField weights(patch().magSf()/patch().patch().magFaceAreas());
    forAll(weights, facei)
    {
        scalar& w = weights[facei];
        w = w <= tolerance_ ? 0 : (w - tolerance_)/(1 - tolerance_);
    }

    matrix.setValues
    (
        patch().faceCells(),
        UIndirectList<scalar>(epsilon, patch().faceCells()),
        weights
    );

    fvPatchField<scalar>::manipulateMatrix(matrix);
}


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

namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        epsilonmWallFunctionFvPatchScalarField
    );
}


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