turbulentIntensityKineticEnergyInletFvPatchScalarField.C

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    Copyright (C) 2017-2020 OpenCFD Ltd.
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#include "turbulentIntensityKineticEnergyInletFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "fvPatchFieldMapper.H"
#include "surfaceFields.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::turbulentIntensityKineticEnergyInletFvPatchScalarField::
turbulentIntensityKineticEnergyInletFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    inletOutletFvPatchScalarField(p, iF),
    intensity_(0.0),
    UName_("U")
{
    this->refValue() = Zero;
    this->refGrad() = Zero;
    this->valueFraction() = 0.0;
}
 
Foam::turbulentIntensityKineticEnergyInletFvPatchScalarField::
turbulentIntensityKineticEnergyInletFvPatchScalarField
(
    const turbulentIntensityKineticEnergyInletFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    inletOutletFvPatchScalarField(ptf, p, iF, mapper),
    intensity_(ptf.intensity_),
    UName_(ptf.UName_)
{}
 
Foam::turbulentIntensityKineticEnergyInletFvPatchScalarField::
turbulentIntensityKineticEnergyInletFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    inletOutletFvPatchScalarField(p, iF),
    intensity_(dict.get<scalar>("intensity")),
    UName_(dict.getOrDefault<word>("U", "U"))
{
    fvPatchFieldBase::readDict(dict);
    this->phiName_ = dict.getOrDefault<word>("phi", "phi");
 
    if (intensity_ < 0 || intensity_ > 1)
    {
        FatalErrorInFunction
            << "Turbulence intensity should be specified as a fraction 0-1 "
               "of the mean velocity\n"
               "    value given is " << intensity_ << nl
            << "    on patch " << this->patch().name()
            << " of field " << this->internalField().name()
            << " in file " << this->internalField().objectPath()
            << exit(FatalError);
    }
 
    this->readValueEntry(dict, IOobjectOption::MUST_READ);
 
    this->refValue() = Zero;
    this->refGrad() = Zero;
    this->valueFraction() = 0.0;
}
 
Foam::turbulentIntensityKineticEnergyInletFvPatchScalarField::
turbulentIntensityKineticEnergyInletFvPatchScalarField
(
    const turbulentIntensityKineticEnergyInletFvPatchScalarField& ptf
)
:
    inletOutletFvPatchScalarField(ptf),
    intensity_(ptf.intensity_),
    UName_(ptf.UName_)
{}
 
 
Foam::turbulentIntensityKineticEnergyInletFvPatchScalarField::
turbulentIntensityKineticEnergyInletFvPatchScalarField
(
    const turbulentIntensityKineticEnergyInletFvPatchScalarField& ptf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    inletOutletFvPatchScalarField(ptf, iF),
    intensity_(ptf.intensity_),
    UName_(ptf.UName_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::turbulentIntensityKineticEnergyInletFvPatchScalarField::
updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    const auto& Up =
        patch().lookupPatchField<volVectorField>(UName_);
 
    const auto& phip =
        patch().lookupPatchField<surfaceScalarField>(this->phiName_);
 
    this->refValue() = 1.5*sqr(intensity_)*magSqr(Up);
    this->valueFraction() = neg(phip);
 
    inletOutletFvPatchScalarField::updateCoeffs();
}
 
 
void Foam::turbulentIntensityKineticEnergyInletFvPatchScalarField::write
(
    Ostream& os
) const
{
    fvPatchField<scalar>::write(os);
    os.writeEntry("intensity", intensity_);
    os.writeEntryIfDifferent<word>("U", "U", UName_);
    os.writeEntryIfDifferent<word>("phi", "phi", this->phiName_);
    fvPatchField<scalar>::writeValueEntry(os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        turbulentIntensityKineticEnergyInletFvPatchScalarField
    );
}
 
// ************************************************************************* //