fixedNormalSlipFvPatchField.C

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    Copyright (C) 2017-2021 OpenCFD Ltd.
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    This file is part of OpenFOAM.
 
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#include "fixedNormalSlipFvPatchField.H"
#include "symmTransformField.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class Type>
Foam::fixedNormalSlipFvPatchField<Type>::fixedNormalSlipFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF
)
:
    parent_bctype(p, iF),
    fixedValue_(p.size(), Foam::zero{}),
    writeValue_(false)
{}
 
 
template<class Type>
Foam::fixedNormalSlipFvPatchField<Type>::fixedNormalSlipFvPatchField
(
    const fixedNormalSlipFvPatchField<Type>& ptf,
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    parent_bctype(ptf, p, iF, mapper),
    fixedValue_(ptf.fixedValue_, mapper),
    writeValue_(ptf.writeValue_)
{}
 
 
template<class Type>
Foam::fixedNormalSlipFvPatchField<Type>::fixedNormalSlipFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    parent_bctype(p, iF),
    fixedValue_("fixedValue", dict, p.size()),
    writeValue_(dict.getOrDefault("writeValue", false))
{
    fvPatchFieldBase::readDict(dict);
 
    evaluate();
}
 
 
template<class Type>
Foam::fixedNormalSlipFvPatchField<Type>::fixedNormalSlipFvPatchField
(
    const fixedNormalSlipFvPatchField<Type>& ptf
)
:
    parent_bctype(ptf),
    fixedValue_(ptf.fixedValue_),
    writeValue_(ptf.writeValue_)
{}
 
 
template<class Type>
Foam::fixedNormalSlipFvPatchField<Type>::fixedNormalSlipFvPatchField
(
    const fixedNormalSlipFvPatchField<Type>& ptf,
    const DimensionedField<Type, volMesh>& iF
)
:
    parent_bctype(ptf, iF),
    fixedValue_(ptf.fixedValue_),
    writeValue_(ptf.writeValue_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
void Foam::fixedNormalSlipFvPatchField<Type>::autoMap
(
    const fvPatchFieldMapper& m
)
{
    parent_bctype::autoMap(m);
    fixedValue_.autoMap(m);
}
 
 
template<class Type>
void Foam::fixedNormalSlipFvPatchField<Type>::rmap
(
    const fvPatchField<Type>& ptf,
    const labelList& addr
)
{
    parent_bctype::rmap(ptf, addr);
 
    const auto& dmptf =
        refCast<const fixedNormalSlipFvPatchField<Type>>(ptf);
 
    fixedValue_.rmap(dmptf.fixedValue_, addr);
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::fixedNormalSlipFvPatchField<Type>::snGrad() const
{
    static_assert
    (
        is_rotational_vectorspace_v<Type>,
        "normal-slip with vector, tensor only!"
    );
 
    const vectorField nHat(this->patch().nf());
    const Field<Type> pif(this->patchInternalField());
 
    return
    (
        (nHat*(nHat & fixedValue_) + transform(I - sqr(nHat), pif)) - pif
    )*this->patch().deltaCoeffs();
}
 
 
template<class Type>
void Foam::fixedNormalSlipFvPatchField<Type>::evaluate
(
    const Pstream::commsTypes
)
{
    if (!this->updated())
    {
        this->updateCoeffs();
    }
 
    const vectorField nHat(this->patch().nf());
 
    Field<Type>::operator=
    (
        nHat*(nHat & fixedValue_)
      + transform(I - sqr(nHat), this->patchInternalField())
    );
 
    this->parent_bctype::evaluate();
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::fixedNormalSlipFvPatchField<Type>::snGradTransformDiag() const
{
    static_assert
    (
        is_rotational_vectorspace_v<Type>,
        "normal-slip with vector, tensor only!"
    );
    // if constexpr (!is_rotational_vectorspace_v<Type>)
    // {
    //     // Rotational-invariant type
    //     return tmp<Field<Type>>::New(this->size(), Foam::zero{});
    // }
 
    {
        tmp<vectorField> diag(cmptMag(this->patch().nf()));
 
        return transformFieldMask<Type>(pow<vector, pTraits<Type>::rank>(diag));
    }
}
 
 
template<class Type>
void Foam::fixedNormalSlipFvPatchField<Type>::write(Ostream& os) const
{
    this->parent_bctype::write(os);
    if (writeValue_)
    {
        os.writeEntry("writeValue", "true");
    }
    fixedValue_.writeEntry("fixedValue", os);
    if (writeValue_)
    {
        fvPatchField<Type>::writeValueEntry(os);
    }
}
 
 
// ************************************************************************* //