inverseDistanceDiffusivity.C

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#include "inverseDistanceDiffusivity.H"
#include "addToRunTimeSelectionTable.H"
#include "patchWave.H"
#include "HashSet.H"
#include "surfaceInterpolate.H"
#include "zeroGradientFvPatchFields.H"

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

namespace Foam
{
    defineTypeNameAndDebug(inverseDistanceDiffusivity, 0);

    addToRunTimeSelectionTable
    (
        motionDiffusivity,
        inverseDistanceDiffusivity,
        Istream
    );
}


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

Foam::inverseDistanceDiffusivity::inverseDistanceDiffusivity
(
    const fvMesh& mesh,
    Istream& mdData
)
:
    motionDiffusivity(mesh),
    patchNames_(mdData)
{}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::inverseDistanceDiffusivity::~inverseDistanceDiffusivity()
{}


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

Foam::tmp<Foam::scalarField> Foam::inverseDistanceDiffusivity::y() const
{
    const labelHashSet patchSet(mesh().boundaryMesh().patchSet(patchNames_));

    if (patchSet.size())
    {
        return tmp<scalarField>
        (
            new scalarField(patchWave(mesh(), patchSet, false).distance())
        );
    }
    else
    {
        return tmp<scalarField>(new scalarField(mesh().nCells(), 1.0));
    }
}


// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //

Foam::tmp<Foam::surfaceScalarField>
Foam::inverseDistanceDiffusivity::operator()() const
{
    volScalarField y_
    (
        IOobject
        (
            "y",
            mesh().time().timeName(),
            mesh()
        ),
        mesh(),
        dimless,
        zeroGradientFvPatchScalarField::typeName
    );
    y_.primitiveFieldRef() = y();
    y_.correctBoundaryConditions();

    return surfaceScalarField::New
    (
        "faceDiffusivity",
        1.0/fvc::interpolate(y_)
    );
}


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