cyclicACMIPointPatchField.C

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    Copyright (C) 2013-2016 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.

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#include "cyclicACMIPointPatchField.H"
#include "transformField.H"
#include "pointFields.H"

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

template<class Type>
Foam::cyclicACMIPointPatchField<Type>::cyclicACMIPointPatchField
(
    const pointPatch& p,
    const DimensionedField<Type, pointMesh>& iF
)
:
    coupledPointPatchField<Type>(p, iF),
    cyclicACMIPatch_(refCast<const cyclicACMIPointPatch>(p)),
    ppiPtr_(nullptr),
    nbrPpiPtr_(nullptr)
{}


template<class Type>
Foam::cyclicACMIPointPatchField<Type>::cyclicACMIPointPatchField
(
    const pointPatch& p,
    const DimensionedField<Type, pointMesh>& iF,
    const dictionary& dict
)
:
    coupledPointPatchField<Type>(p, iF, dict),
    cyclicACMIPatch_(refCast<const cyclicACMIPointPatch>(p, dict)),
    ppiPtr_(nullptr),
    nbrPpiPtr_(nullptr)
{
    if (!isType<cyclicACMIPointPatch>(p))
    {
        FatalIOErrorInFunction(dict)
            << "patch " << this->patch().index() << " not cyclicACMI type. "
            << "Patch type = " << p.type()
            << exit(FatalIOError);
    }
}


template<class Type>
Foam::cyclicACMIPointPatchField<Type>::cyclicACMIPointPatchField
(
    const cyclicACMIPointPatchField<Type>& ptf,
    const pointPatch& p,
    const DimensionedField<Type, pointMesh>& iF,
    const pointPatchFieldMapper& mapper
)
:
    coupledPointPatchField<Type>(ptf, p, iF, mapper),
    cyclicACMIPatch_(refCast<const cyclicACMIPointPatch>(p)),
    ppiPtr_(nullptr),
    nbrPpiPtr_(nullptr)
{
    if (!isType<cyclicACMIPointPatch>(this->patch()))
    {
        FatalErrorInFunction
            << "Field type does not correspond to patch type for patch "
            << this->patch().index() << "." << endl
            << "Field type: " << typeName << endl
            << "Patch type: " << this->patch().type()
            << exit(FatalError);
    }
}


template<class Type>
Foam::cyclicACMIPointPatchField<Type>::cyclicACMIPointPatchField
(
    const cyclicACMIPointPatchField<Type>& ptf,
    const DimensionedField<Type, pointMesh>& iF
)
:
    coupledPointPatchField<Type>(ptf, iF),
    cyclicACMIPatch_(ptf.cyclicACMIPatch_),
    ppiPtr_(nullptr),
    nbrPpiPtr_(nullptr)
{}


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

template<class Type>
void Foam::cyclicACMIPointPatchField<Type>::swapAddSeparated
(
    const Pstream::commsTypes,
    Field<Type>& pField
) const
{
    if (cyclicACMIPatch_.cyclicACMIPatch().owner())
    {
        // We inplace modify pField. To prevent the other side (which gets
        // evaluated at a later date) using already changed values we do
        // all swaps on the side that gets evaluated first.

        // Get neighbouring pointPatch
        const cyclicACMIPointPatch& nbrPatch = cyclicACMIPatch_.neighbPatch();

        // Get neighbouring pointPatchField
        const GeometricField<Type, pointPatchField, pointMesh>& fld =
            refCast<const GeometricField<Type, pointPatchField, pointMesh>>
            (
                this->internalField()
            );

        const cyclicACMIPointPatchField<Type>& nbr =
            refCast<const cyclicACMIPointPatchField<Type>>
            (
                fld.boundaryField()[nbrPatch.index()]
            );


        Field<Type> ptFld(this->patchInternalField(pField));
        Field<Type> nbrPtFld(nbr.patchInternalField(pField));


        if (doTransform())
        {
            const tensor& forwardT = this->forwardT()[0];
            const tensor& reverseT = this->reverseT()[0];

            transform(ptFld, reverseT, ptFld);
            transform(nbrPtFld, forwardT, nbrPtFld);
        }

        // convert point field to face field, AMI interpolate, then
        // face back to point
        {
            // add neighbour side contribution to owner
            Field<Type> nbrFcFld(nbrPpi().pointToFaceInterpolate(nbrPtFld));

            const cyclicAMIPolyPatch& cami = cyclicACMIPatch_.cyclicACMIPatch();

            // interpolate to owner
            nbrFcFld = cami.interpolate(nbrFcFld);

            // add to internal field
            this->addToInternalField
            (
                pField,
                ppi().faceToPointInterpolate(nbrFcFld)()
            );
        }

        {
            // add owner side contribution to neighbour
            Field<Type> fcFld(ppi().pointToFaceInterpolate(ptFld));

            const cyclicAMIPolyPatch& cami = cyclicACMIPatch_.cyclicACMIPatch();

            // interpolate to neighbour
            fcFld = cami.neighbPatch().cyclicAMIPolyPatch::interpolate(fcFld);

            // add to internal field
            nbr.addToInternalField
            (
                pField,
                nbrPpi().faceToPointInterpolate(fcFld)()
            );
        }
    }
}


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