turbulentMixingLengthDissipationRateFvScalarFieldSource.C

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#include "turbulentMixingLengthDissipationRateFvScalarFieldSource.H"
#include "addToRunTimeSelectionTable.H"
#include "fvCellSet.H"
#include "volFields.H"
#include "momentumTransportModel.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::turbulentMixingLengthDissipationRateFvScalarFieldSource::
turbulentMixingLengthDissipationRateFvScalarFieldSource
(
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fvScalarFieldSource(iF, dict),
    mixingLength_(dict.lookup<scalar>("mixingLength", dimLength)),
    kName_(dict.lookupOrDefault<word>("k", "k"))
{}
 
 
Foam::turbulentMixingLengthDissipationRateFvScalarFieldSource::
turbulentMixingLengthDissipationRateFvScalarFieldSource
(
    const turbulentMixingLengthDissipationRateFvScalarFieldSource& field,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fvScalarFieldSource(field, iF),
    mixingLength_(field.mixingLength_),
    kName_(field.kName_)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::turbulentMixingLengthDissipationRateFvScalarFieldSource::
~turbulentMixingLengthDissipationRateFvScalarFieldSource()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::tmp<Foam::scalarField>
Foam::turbulentMixingLengthDissipationRateFvScalarFieldSource::sourceValue
(
    const fvSource& source
) const
{
    const scalarField ks(this->value<scalar>(kName_, source));
 
    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);
 
    return Cmu75*ks*sqrt(ks)/mixingLength_;
}
 
 
Foam::tmp<Foam::scalarField>
Foam::turbulentMixingLengthDissipationRateFvScalarFieldSource::internalCoeff
(
    const fvSource& source
) const
{
    return
        neg0(source.source(internalField().name()))
       *scalarField(source.nCells(), scalar(1));
}
 
 
void Foam::turbulentMixingLengthDissipationRateFvScalarFieldSource::write
(
    Ostream& os
) const
{
    fvScalarFieldSource::write(os);
    writeEntry(os, "mixingLength", mixingLength_);
    writeEntryIfDifferent<word>(os, "k", "k", kName_);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makeTypeFieldSource
    (
        fvScalarFieldSource,
        turbulentMixingLengthDissipationRateFvScalarFieldSource
    );
}
 
// ************************************************************************* //