turbulentMixingLengthFrequencyInletFvPatchScalarField.C

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#include "turbulentMixingLengthFrequencyInletFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "fvPatchFieldMapper.H"
#include "surfaceFields.H"
#include "volFields.H"
#include "turbulenceModel.H"

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

namespace Foam
{

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

turbulentMixingLengthFrequencyInletFvPatchScalarField::
turbulentMixingLengthFrequencyInletFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    parent_bctype(p, iF),
    mixingLength_(0.0),
    kName_("undefined-k")
{
    this->refValue() = Zero;
    this->refGrad() = Zero;
    this->valueFraction() = 0.0;
}

turbulentMixingLengthFrequencyInletFvPatchScalarField::
turbulentMixingLengthFrequencyInletFvPatchScalarField
(
    const this_bctype& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    parent_bctype(ptf, p, iF, mapper),
    mixingLength_(ptf.mixingLength_),
    kName_(ptf.kName_)
{}

turbulentMixingLengthFrequencyInletFvPatchScalarField::
turbulentMixingLengthFrequencyInletFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    parent_bctype(p, iF),
    mixingLength_(dict.get<scalar>("mixingLength")),
    kName_(dict.getOrDefault<word>("k", "k"))
{
    this->phiName_ = dict.getOrDefault<word>("phi", "phi");

    this->readValueEntry(dict, IOobjectOption::MUST_READ);

    this->refValue() = Zero;
    this->refGrad() = Zero;
    this->valueFraction() = 0.0;
}


turbulentMixingLengthFrequencyInletFvPatchScalarField::
turbulentMixingLengthFrequencyInletFvPatchScalarField
(
    const this_bctype& ptf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    parent_bctype(ptf, iF),
    mixingLength_(ptf.mixingLength_),
    kName_(ptf.kName_)
{}


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

void turbulentMixingLengthFrequencyInletFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }

    // Lookup Cmu corresponding to the turbulence model selected
    const turbulenceModel& turbModel = db().lookupObject<turbulenceModel>
    (
        IOobject::groupName
        (
            turbulenceModel::propertiesName,
            internalField().group()
        )
    );

    const scalar Cmu =
        turbModel.coeffDict().getOrDefault<scalar>("Cmu", 0.09);

    const scalar Cmu25 = pow(Cmu, 0.25);

    const auto& kp =
        patch().lookupPatchField<volScalarField>(kName_);

    const auto& phip =
        patch().lookupPatchField<surfaceScalarField>(this->phiName_);

    this->refValue() = sqrt(kp)/(Cmu25*mixingLength_);
    this->valueFraction() = neg(phip);

    this->parent_bctype::updateCoeffs();
}


void turbulentMixingLengthFrequencyInletFvPatchScalarField::write
(
    Ostream& os
) const
{
    fvPatchField<scalar>::write(os);
    os.writeEntry("mixingLength", mixingLength_);
    os.writeEntry("phi", this->phiName_);
    os.writeEntry("k", kName_);
    fvPatchField<scalar>::writeValueEntry(os);
}


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

makePatchTypeField
(
    fvPatchScalarField,
    turbulentMixingLengthFrequencyInletFvPatchScalarField
);


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

} // End namespace Foam

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