outletMappedUniformInletFvPatchField.C

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    Copyright (C) 2020 OpenCFD Ltd.
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#include "outletMappedUniformInletFvPatchField.H"
#include "volFields.H"
#include "surfaceFields.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class Type>
Foam::outletMappedUniformInletFvPatchField<Type>::
outletMappedUniformInletFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF
)
:
    fixedValueFvPatchField<Type>(p, iF),
    outletPatchName_(),
    phiName_("phi")
{}
 
 
template<class Type>
Foam::outletMappedUniformInletFvPatchField<Type>::
outletMappedUniformInletFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchField<Type>(p, iF, dict),
    outletPatchName_(dict.lookup("outletPatch")),
    phiName_(dict.getOrDefault<word>("phi", "phi"))
{}
 
 
template<class Type>
Foam::outletMappedUniformInletFvPatchField<Type>::
outletMappedUniformInletFvPatchField
(
    const outletMappedUniformInletFvPatchField<Type>& ptf,
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchField<Type>(ptf, p, iF, mapper),
    outletPatchName_(ptf.outletPatchName_),
    phiName_(ptf.phiName_)
{}
 
 
template<class Type>
Foam::outletMappedUniformInletFvPatchField<Type>::
outletMappedUniformInletFvPatchField
(
    const outletMappedUniformInletFvPatchField<Type>& ptf
)
:
    fixedValueFvPatchField<Type>(ptf),
    outletPatchName_(ptf.outletPatchName_),
    phiName_(ptf.phiName_)
{}
 
 
 
template<class Type>
Foam::outletMappedUniformInletFvPatchField<Type>::
outletMappedUniformInletFvPatchField
(
    const outletMappedUniformInletFvPatchField<Type>& ptf,
    const DimensionedField<Type, volMesh>& iF
)
:
    fixedValueFvPatchField<Type>(ptf, iF),
    outletPatchName_(ptf.outletPatchName_),
    phiName_(ptf.phiName_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
void Foam::outletMappedUniformInletFvPatchField<Type>::updateCoeffs()
{
    if (this->updated())
    {
        return;
    }
 
    const GeometricField<Type, fvPatchField, volMesh>& f
    (
        dynamic_cast<const GeometricField<Type, fvPatchField, volMesh>&>
        (
            this->internalField()
        )
    );
 
    const fvPatch& p = this->patch();
    label outletPatchID =
        p.patch().boundaryMesh().findPatchID(outletPatchName_);
 
    if (outletPatchID < 0)
    {
        FatalErrorInFunction
            << "Unable to find outlet patch " << outletPatchName_
            << abort(FatalError);
    }
 
    const fvPatch& outletPatch = p.boundaryMesh()[outletPatchID];
 
    const fvPatchField<Type>& outletPatchField =
        f.boundaryField()[outletPatchID];
 
    const surfaceScalarField& phi =
        this->db().objectRegistry::template lookupObject<surfaceScalarField>
        (phiName_);
 
    const scalarField& outletPatchPhi = phi.boundaryField()[outletPatchID];
    scalar sumOutletPatchPhi = gSum(outletPatchPhi);
 
    if (sumOutletPatchPhi > SMALL)
    {
        Type averageOutletField =
            gSum(outletPatchPhi*outletPatchField)
           /sumOutletPatchPhi;
 
        this->operator==(averageOutletField);
    }
    else
    {
        Type averageOutletField =
            gSum(outletPatch.magSf()*outletPatchField)
           /gSum(outletPatch.magSf());
 
        this->operator==(averageOutletField);
    }
 
    fixedValueFvPatchField<Type>::updateCoeffs();
}
 
 
template<class Type>
void Foam::outletMappedUniformInletFvPatchField<Type>::write(Ostream& os) const
{
    fvPatchField<Type>::write(os);
    os.writeEntry("outletPatch", outletPatchName_);
    os.writeEntryIfDifferent<word>("phi", "phi", phiName_);
    this->writeEntry("value", os);
}
 
 
// ************************************************************************* //