turbulentMixingLengthDissipationRateInletFvPatchScalarField.C

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#include "turbulentMixingLengthDissipationRateInletFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "fieldMapper.H"
#include "surfaceFields.H"
#include "volFields.H"
#include "momentumTransportModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
turbulentMixingLengthDissipationRateInletFvPatchScalarField::
turbulentMixingLengthDissipationRateInletFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    inletOutletFvPatchScalarField(p, iF),
    mixingLength_(dict.lookup<scalar>("mixingLength", dimLength)),
    kName_(dict.lookupOrDefault<word>("k", "k"))
{
    this->phiName_ = dict.lookupOrDefault<word>("phi", "phi");
 
    fvPatchScalarField::operator=
    (
        scalarField("value", iF.dimensions(), dict, p.size())
    );
 
    this->refValue() = 0.0;
    this->refGrad() = 0.0;
    this->valueFraction() = 0.0;
}
 
 
turbulentMixingLengthDissipationRateInletFvPatchScalarField::
turbulentMixingLengthDissipationRateInletFvPatchScalarField
(
    const turbulentMixingLengthDissipationRateInletFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fieldMapper& mapper
)
:
    inletOutletFvPatchScalarField(ptf, p, iF, mapper),
    mixingLength_(ptf.mixingLength_),
    kName_(ptf.kName_)
{}
 
 
turbulentMixingLengthDissipationRateInletFvPatchScalarField::
turbulentMixingLengthDissipationRateInletFvPatchScalarField
(
    const turbulentMixingLengthDissipationRateInletFvPatchScalarField& ptf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    inletOutletFvPatchScalarField(ptf, iF),
    mixingLength_(ptf.mixingLength_),
    kName_(ptf.kName_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void turbulentMixingLengthDissipationRateInletFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    // Lookup Cmu corresponding to the turbulence model selected
 
    const momentumTransportModel& turbModel =
        db().lookupType<momentumTransportModel>(internalField().group());
 
    const scalar Cmu =
        turbModel.coeffDict().lookupOrDefault<scalar>("Cmu", 0.09);
 
    const scalar Cmu75 = pow(Cmu, 0.75);
 
    const fvPatchScalarField& kp =
        patch().lookupPatchField<volScalarField, scalar>(kName_);
 
    const fvsPatchScalarField& phip =
        patch().lookupPatchField<surfaceScalarField, scalar>(this->phiName_);
 
    this->refValue() = Cmu75*kp*sqrt(kp)/mixingLength_;
    this->valueFraction() = neg(phip);
 
    inletOutletFvPatchScalarField::updateCoeffs();
}
 
 
void turbulentMixingLengthDissipationRateInletFvPatchScalarField::write
(
    Ostream& os
) const
{
    fvPatchScalarField::write(os);
    writeEntry(os, "mixingLength", mixingLength_);
    writeEntry(os, "phi", this->phiName_);
    writeEntry(os, "k", kName_);
    writeEntry(os, "value", *this);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
makePatchTypeField
(
    fvPatchScalarField,
    turbulentMixingLengthDissipationRateInletFvPatchScalarField
);
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //