partialSlipFvPatchField.C

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    Copyright (C) 2017-2021 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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#include "partialSlipFvPatchField.H"
#include "symmTransformField.H"

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

template<class Type>
Foam::partialSlipFvPatchField<Type>::partialSlipFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF
)
:
    parent_bctype(p, iF),
    refValue_(p.size(), Foam::zero{}),
    valueFraction_(p.size(), 1.0),
    writeValue_(false)
{}


template<class Type>
Foam::partialSlipFvPatchField<Type>::partialSlipFvPatchField
(
    const partialSlipFvPatchField<Type>& ptf,
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    parent_bctype(ptf, p, iF, mapper),
    refValue_(ptf.refValue_, mapper),
    valueFraction_(ptf.valueFraction_, mapper),
    writeValue_(ptf.writeValue_)
{}


template<class Type>
Foam::partialSlipFvPatchField<Type>::partialSlipFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    parent_bctype(p, iF),
    refValue_(p.size(), Foam::zero{}),
    valueFraction_("valueFraction", dict, p.size()),
    writeValue_(dict.getOrDefault("writeValue", false))
{
    fvPatchFieldBase::readDict(dict);

    // Backwards compatibility - leave refValue as zero unless specified
    refValue_.assign("refValue", dict, p.size(), IOobjectOption::LAZY_READ);

    evaluate();
}


template<class Type>
Foam::partialSlipFvPatchField<Type>::partialSlipFvPatchField
(
    const partialSlipFvPatchField<Type>& ptf,
    const DimensionedField<Type, volMesh>& iF
)
:
    parent_bctype(ptf, iF),
    refValue_(ptf.refValue_),
    valueFraction_(ptf.valueFraction_),
    writeValue_(ptf.writeValue_)
{}


template<class Type>
Foam::partialSlipFvPatchField<Type>::partialSlipFvPatchField
(
    const partialSlipFvPatchField<Type>& ptf
)
:
    partialSlipFvPatchField<Type>(ptf, ptf.internalField())
{}


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

template<class Type>
void Foam::partialSlipFvPatchField<Type>::autoMap
(
    const fvPatchFieldMapper& m
)
{
    parent_bctype::autoMap(m);
    refValue_.autoMap(m);
    valueFraction_.autoMap(m);
}


template<class Type>
void Foam::partialSlipFvPatchField<Type>::rmap
(
    const fvPatchField<Type>& ptf,
    const labelList& addr
)
{
    parent_bctype::rmap(ptf, addr);

    const auto& dmptf =
        refCast<const partialSlipFvPatchField<Type>>(ptf);

    refValue_.rmap(dmptf.refValue_, addr);
    valueFraction_.rmap(dmptf.valueFraction_, addr);
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::partialSlipFvPatchField<Type>::snGrad() const
{
    tmp<vectorField> nHat = this->patch().nf();
    const Field<Type> pif(this->patchInternalField());

    return
    (
        lerp
        (
            transform(I - sqr(nHat), pif),
            refValue_,
            valueFraction_
        ) - pif
    )*this->patch().deltaCoeffs();
}


template<class Type>
void Foam::partialSlipFvPatchField<Type>::evaluate
(
    const Pstream::commsTypes
)
{
    if (!this->updated())
    {
        this->updateCoeffs();
    }

    tmp<vectorField> nHat = this->patch().nf();

    Field<Type>::operator=
    (
        lerp
        (
            transform(I - sqr(nHat), this->patchInternalField()),
            refValue_,
            valueFraction_
        )
    );

    parent_bctype::evaluate();
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::partialSlipFvPatchField<Type>::snGradTransformDiag() const
{
    tmp<vectorField> diag(cmptMag(this->patch().nf()));

    return
        valueFraction_*pTraits<Type>::one
      + (1.0 - valueFraction_)
       *transformFieldMask<Type>(pow<vector, pTraits<Type>::rank>(diag));
}


template<class Type>
void Foam::partialSlipFvPatchField<Type>::write(Ostream& os) const
{
    this->parent_bctype::write(os);
    if (writeValue_)
    {
        os.writeEntry("writeValue", "true");
    }
    refValue_.writeEntry("refValue", os);
    valueFraction_.writeEntry("valueFraction", os);
    if (writeValue_)
    {
        fvPatchField<Type>::writeValueEntry(os);
    }
}


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