laplaceFilter.C

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#include "laplaceFilter.H"
#include "fvcLaplacian.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(laplaceFilter, 0);
    addToRunTimeSelectionTable(LESfilter, laplaceFilter, dictionary);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::laplaceFilter::laplaceFilter(const fvMesh& mesh, scalar widthCoeff)
:
    LESfilter(mesh),
    widthCoeff_(widthCoeff),
    coeff_
    (
        IOobject
        (
            "laplaceFilterCoeff",
            mesh.time().name(),
            mesh
        ),
        mesh,
        dimensionedScalar(dimLength*dimLength, 0),
        calculatedFvPatchScalarField::typeName
    )
{
    coeff_.internalFieldRef() = pow(mesh.V(), 2.0/3.0)/widthCoeff_;
}
 
 
Foam::laplaceFilter::laplaceFilter(const fvMesh& mesh, const dictionary& bd)
:
    LESfilter(mesh),
    widthCoeff_
    (
        bd.optionalSubDict(type() + "Coeffs").lookup<scalar>("widthCoeff")
    ),
    coeff_
    (
        IOobject
        (
            "laplaceFilterCoeff",
            mesh.time().name(),
            mesh
        ),
        mesh,
        dimensionedScalar(dimLength*dimLength, 0),
        calculatedFvPatchScalarField::typeName
    )
{
    coeff_.internalFieldRef() = pow(mesh.V(), 2.0/3.0)/widthCoeff_;
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::laplaceFilter::read(const dictionary& bd)
{
    bd.optionalSubDict(type() + "Coeffs").lookup("widthCoeff") >> widthCoeff_;
}
 
 
// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField> Foam::laplaceFilter::operator()
(
    const tmp<volScalarField>& unFilteredField
) const
{
    correctBoundaryConditions(unFilteredField);
 
    tmp<volScalarField> filteredField =
        unFilteredField() + fvc::laplacian(coeff_, unFilteredField());
 
    unFilteredField.clear();
 
    return filteredField;
}
 
 
Foam::tmp<Foam::volVectorField> Foam::laplaceFilter::operator()
(
    const tmp<volVectorField>& unFilteredField
) const
{
    correctBoundaryConditions(unFilteredField);
 
    tmp<volVectorField> filteredField =
        unFilteredField() + fvc::laplacian(coeff_, unFilteredField());
 
    unFilteredField.clear();
 
    return filteredField;
}
 
 
Foam::tmp<Foam::volSymmTensorField> Foam::laplaceFilter::operator()
(
    const tmp<volSymmTensorField>& unFilteredField
) const
{
    correctBoundaryConditions(unFilteredField);
 
    tmp<volSymmTensorField> filteredField =
        unFilteredField() + fvc::laplacian(coeff_, unFilteredField());
 
    unFilteredField.clear();
 
    return filteredField;
}
 
 
Foam::tmp<Foam::volTensorField> Foam::laplaceFilter::operator()
(
    const tmp<volTensorField>& unFilteredField
) const
{
    correctBoundaryConditions(unFilteredField);
 
    tmp<volTensorField> filteredField =
        unFilteredField() + fvc::laplacian(coeff_, unFilteredField());
 
    unFilteredField.clear();
 
    return filteredField;
}
 
 
// ************************************************************************* //