directionMixedFvPatchField.C

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    Copyright (C) 2011-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
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#include "directionMixedFvPatchField.H"
#include "symmTransformField.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class Type>
Foam::directionMixedFvPatchField<Type>::directionMixedFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF
)
:
    transformFvPatchField<Type>(p, iF),
    refValue_(p.size()),
    refGrad_(p.size()),
    valueFraction_(p.size())
{}
 
 
template<class Type>
Foam::directionMixedFvPatchField<Type>::directionMixedFvPatchField
(
    const directionMixedFvPatchField<Type>& ptf,
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    transformFvPatchField<Type>(ptf, p, iF, mapper),
    refValue_(ptf.refValue_, mapper),
    refGrad_(ptf.refGrad_, mapper),
    valueFraction_(ptf.valueFraction_, mapper)
{
    if (notNull(iF) && mapper.hasUnmapped())
    {
        WarningInFunction
            << "On field " << iF.name() << " patch " << p.name()
            << " patchField " << this->type()
            << " : mapper does not map all values." << nl
            << "    To avoid this warning fully specify the mapping in derived"
            << " patch fields." << endl;
    }
}
 
 
template<class Type>
Foam::directionMixedFvPatchField<Type>::directionMixedFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    transformFvPatchField<Type>(p, iF, dict),
    refValue_("refValue", dict, p.size()),
    refGrad_("refGradient", dict, p.size()),
    valueFraction_("valueFraction", dict, p.size())
{
    evaluate();
}
 
 
template<class Type>
Foam::directionMixedFvPatchField<Type>::directionMixedFvPatchField
(
    const directionMixedFvPatchField<Type>& ptf,
    const DimensionedField<Type, volMesh>& iF
)
:
    transformFvPatchField<Type>(ptf, iF),
    refValue_(ptf.refValue_),
    refGrad_(ptf.refGrad_),
    valueFraction_(ptf.valueFraction_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
void Foam::directionMixedFvPatchField<Type>::autoMap
(
    const fvPatchFieldMapper& m
)
{
    transformFvPatchField<Type>::autoMap(m);
    refValue_.autoMap(m);
    refGrad_.autoMap(m);
    valueFraction_.autoMap(m);
}
 
 
template<class Type>
void Foam::directionMixedFvPatchField<Type>::rmap
(
    const fvPatchField<Type>& ptf,
    const labelList& addr
)
{
    transformFvPatchField<Type>::rmap(ptf, addr);
 
    const directionMixedFvPatchField<Type>& dmptf =
        refCast<const directionMixedFvPatchField<Type>>(ptf);
 
    refValue_.rmap(dmptf.refValue_, addr);
    refGrad_.rmap(dmptf.refGrad_, addr);
    valueFraction_.rmap(dmptf.valueFraction_, addr);
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::directionMixedFvPatchField<Type>::snGrad() const
{
    const Field<Type> pif(this->patchInternalField());
 
    tmp<Field<Type>> normalValue = transform(valueFraction_, refValue_);
 
    tmp<Field<Type>> gradValue = pif + refGrad_/this->patch().deltaCoeffs();
 
    tmp<Field<Type>> transformGradValue =
        transform(I - valueFraction_, gradValue);
 
    return
        (normalValue + transformGradValue - pif)*
        this->patch().deltaCoeffs();
}
 
 
template<class Type>
void Foam::directionMixedFvPatchField<Type>::evaluate(const Pstream::commsTypes)
{
    if (!this->updated())
    {
        this->updateCoeffs();
    }
 
    tmp<Field<Type>> normalValue = transform(valueFraction_, refValue_);
 
    tmp<Field<Type>> gradValue =
        this->patchInternalField() + refGrad_/this->patch().deltaCoeffs();
 
    tmp<Field<Type>> transformGradValue =
        transform(I - valueFraction_, gradValue);
 
    Field<Type>::operator=(normalValue + transformGradValue);
 
    transformFvPatchField<Type>::evaluate();
}
 
 
template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::directionMixedFvPatchField<Type>::snGradTransformDiag() const
{
    // static_assert(!std::is_arithmetic_v<T>, "direction-mixed with scalar??");
    // if constexpr (!is_rotational_vectorspace_v<Type>)
    // {
    //     // Rotational-invariant type
    //     return tmp<Field<Type>>::New(this->size(), Foam::zero{});
    // }
 
    {
        vectorField diag(valueFraction_.size());
 
        std::transform
        (
            valueFraction_.cbegin(),
            valueFraction_.cend(),
            diag.begin(),
 
            [](const symmTensor& t)
            {
                return vector
                (
                    sqrt(mag(t.xx())), sqrt(mag(t.yy())), sqrt(mag(t.zz()))
                );
            }
        );
 
        return transformFieldMask<Type>(pow<vector, pTraits<Type>::rank>(diag));
    }
}
 
 
template<class Type>
void Foam::directionMixedFvPatchField<Type>::write(Ostream& os) const
{
    transformFvPatchField<Type>::write(os);
    refValue_.writeEntry("refValue", os);
    refGrad_.writeEntry("refGradient", os);
    valueFraction_.writeEntry("valueFraction", os);
    fvPatchField<Type>::writeValueEntry(os);
}
 
 
// ************************************************************************* //