nutUTabulatedWallFunctionFvPatchScalarField.C

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#include "nutUTabulatedWallFunctionFvPatchScalarField.H"
#include "turbulenceModel.H"
#include "fvPatchFieldMapper.H"
#include "volFields.H"
#include "addToRunTimeSelectionTable.H"

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

Foam::tmp<Foam::scalarField>
Foam::nutUTabulatedWallFunctionFvPatchScalarField::calcNut() const
{
    const label patchi = patch().index();

    const auto& turbModel = db().lookupObject<turbulenceModel>
    (
        IOobject::groupName
        (
            turbulenceModel::propertiesName,
            internalField().group()
        )
    );

    const scalarField& y = turbModel.y()[patchi];

    const fvPatchVectorField& Uw = U(turbModel).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
        );
}


Foam::tmp<Foam::scalarField>
Foam::nutUTabulatedWallFunctionFvPatchScalarField::calcUPlus
(
    const scalarField& Rey
) const
{
    auto tuPlus = tmp<scalarField>::New(patch().size(), Zero);
    auto& uPlus = tuPlus.ref();

    forAll(uPlus, facei)
    {
        uPlus[facei] = uPlusTable_.interpolateLog10(Rey[facei]);
    }

    return tuPlus;
}


void Foam::nutUTabulatedWallFunctionFvPatchScalarField::writeLocalEntries
(
    Ostream& os
) const
{
    os.writeEntry("uPlusTable", uPlusTableName_);
}


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

Foam::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,
            IOobject::NO_REGISTER
        ),
        false
    )
{}


Foam::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_)
{}


Foam::nutUTabulatedWallFunctionFvPatchScalarField::
nutUTabulatedWallFunctionFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    nutWallFunctionFvPatchScalarField(p, iF, dict),
    uPlusTableName_(dict.get<word>("uPlusTable")),
    uPlusTable_
    (
        IOobject
        (
            uPlusTableName_,
            patch().boundaryMesh().mesh().time().constant(),
            patch().boundaryMesh().mesh(),
            IOobject::MUST_READ_IF_MODIFIED,
            IOobject::NO_WRITE,
            IOobject::NO_REGISTER
        ),
        true
    )
{}


Foam::nutUTabulatedWallFunctionFvPatchScalarField::
nutUTabulatedWallFunctionFvPatchScalarField
(
    const nutUTabulatedWallFunctionFvPatchScalarField& wfpsf
)
:
    nutWallFunctionFvPatchScalarField(wfpsf),
    uPlusTableName_(wfpsf.uPlusTableName_),
    uPlusTable_(wfpsf.uPlusTable_)
{}


Foam::nutUTabulatedWallFunctionFvPatchScalarField::
nutUTabulatedWallFunctionFvPatchScalarField
(
    const nutUTabulatedWallFunctionFvPatchScalarField& wfpsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    nutWallFunctionFvPatchScalarField(wfpsf, iF),
    uPlusTableName_(wfpsf.uPlusTableName_),
    uPlusTable_(wfpsf.uPlusTable_)
{}


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

Foam::tmp<Foam::scalarField>
Foam::nutUTabulatedWallFunctionFvPatchScalarField::yPlus() const
{
    const label patchi = patch().index();

    const auto& turbModel = db().lookupObject<turbulenceModel>
    (
        IOobject::groupName
        (
            turbulenceModel::propertiesName,
            internalField().group()
        )
    );

    const scalarField& y = turbModel.y()[patchi];

    const fvPatchVectorField& Uw = U(turbModel).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 Foam::nutUTabulatedWallFunctionFvPatchScalarField::write
(
    Ostream& os
) const
{
    nutWallFunctionFvPatchScalarField::write(os);
    writeLocalEntries(os);
    fvPatchField<scalar>::writeValueEntry(os);
}


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

namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        nutUTabulatedWallFunctionFvPatchScalarField
    );
}


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