nutUTabulatedWallFunctionFvPatchScalarField.C

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#include "nutUTabulatedWallFunctionFvPatchScalarField.H"
#include "turbulenceModel.H"
#include "fvPatchFieldMapper.H"
#include "volFields.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //
 
tmp<scalarField> nutUTabulatedWallFunctionFvPatchScalarField::calcNut() const
{
    const label patchi = patch().index();
 
    const turbulenceModel& turbModel = db().lookupObject<turbulenceModel>
    (
        IOobject::groupName
        (
            turbulenceModel::propertiesName,
            dimensionedInternalField().group()
        )
    );
    const scalarField& y = turbModel.y()[patchi];
    const fvPatchVectorField& Uw = turbModel.U().boundaryField()[patchi];
    const scalarField magUp(mag(Uw.patchInternalField() - Uw));
    const scalarField magGradU(mag(Uw.snGrad()));
    const tmp<scalarField> tnuw = turbModel.nu(patchi);
    const scalarField& nuw = tnuw();
 
    return
        max
        (
            scalar(0),
            sqr(magUp/(calcUPlus(magUp*y/nuw) + ROOTVSMALL))
           /(magGradU + ROOTVSMALL)
          - nuw
        );
}
 
 
tmp<scalarField> nutUTabulatedWallFunctionFvPatchScalarField::calcUPlus
(
    const scalarField& Rey
) const
{
    tmp<scalarField> tuPlus(new scalarField(patch().size(), 0.0));
    scalarField& uPlus = tuPlus();
 
    forAll(uPlus, faceI)
    {
        uPlus[faceI] = uPlusTable_.interpolateLog10(Rey[faceI]);
    }
 
    return tuPlus;
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
nutUTabulatedWallFunctionFvPatchScalarField::
nutUTabulatedWallFunctionFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    nutWallFunctionFvPatchScalarField(p, iF),
    uPlusTableName_("undefined-uPlusTableName"),
    uPlusTable_
    (
        IOobject
        (
            uPlusTableName_,
            patch().boundaryMesh().mesh().time().constant(),
            patch().boundaryMesh().mesh(),
            IOobject::NO_READ,
            IOobject::NO_WRITE,
            false
        ),
        false
    )
{}
 
 
nutUTabulatedWallFunctionFvPatchScalarField::
nutUTabulatedWallFunctionFvPatchScalarField
(
    const nutUTabulatedWallFunctionFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    nutWallFunctionFvPatchScalarField(ptf, p, iF, mapper),
    uPlusTableName_(ptf.uPlusTableName_),
    uPlusTable_(ptf.uPlusTable_)
{}
 
 
nutUTabulatedWallFunctionFvPatchScalarField::
nutUTabulatedWallFunctionFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    nutWallFunctionFvPatchScalarField(p, iF, dict),
    uPlusTableName_(dict.lookup("uPlusTable")),
    uPlusTable_
    (
        IOobject
        (
            uPlusTableName_,
            patch().boundaryMesh().mesh().time().constant(),
            patch().boundaryMesh().mesh(),
            IOobject::MUST_READ_IF_MODIFIED,
            IOobject::NO_WRITE,
            false
        ),
        true
    )
{}
 
 
nutUTabulatedWallFunctionFvPatchScalarField::
nutUTabulatedWallFunctionFvPatchScalarField
(
    const nutUTabulatedWallFunctionFvPatchScalarField& wfpsf
)
:
    nutWallFunctionFvPatchScalarField(wfpsf),
    uPlusTableName_(wfpsf.uPlusTableName_),
    uPlusTable_(wfpsf.uPlusTable_)
{}
 
 
nutUTabulatedWallFunctionFvPatchScalarField::
nutUTabulatedWallFunctionFvPatchScalarField
(
    const nutUTabulatedWallFunctionFvPatchScalarField& wfpsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    nutWallFunctionFvPatchScalarField(wfpsf, iF),
    uPlusTableName_(wfpsf.uPlusTableName_),
    uPlusTable_(wfpsf.uPlusTable_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
tmp<scalarField> nutUTabulatedWallFunctionFvPatchScalarField::yPlus() const
{
    const label patchi = patch().index();
 
    const turbulenceModel& turbModel = db().lookupObject<turbulenceModel>
    (
        IOobject::groupName
        (
            turbulenceModel::propertiesName,
            dimensionedInternalField().group()
        )
    );
    const scalarField& y = turbModel.y()[patchi];
    const fvPatchVectorField& Uw = turbModel.U().boundaryField()[patchi];
    const scalarField magUp(mag(Uw.patchInternalField() - Uw));
    const tmp<scalarField> tnuw = turbModel.nu(patchi);
    const scalarField& nuw = tnuw();
    const scalarField Rey(magUp*y/nuw);
 
    return Rey/(calcUPlus(Rey) + ROOTVSMALL);
}
 
 
void nutUTabulatedWallFunctionFvPatchScalarField::write(Ostream& os) const
{
    fvPatchField<scalar>::write(os);
    os.writeKeyword("uPlusTable") << uPlusTableName_
        << token::END_STATEMENT << nl;
    writeEntry("value", os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
makePatchTypeField
(
    fvPatchScalarField,
    nutUTabulatedWallFunctionFvPatchScalarField
);
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //