187 lines
4.8 KiB
C
187 lines
4.8 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Description
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Patch to patch interpolation functions
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\*---------------------------------------------------------------------------*/
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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//- Interpolate point field
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template<class FromPatch, class ToPatch>
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template<class Type>
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tmp<Field<Type> >
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PatchToPatchInterpolation<FromPatch, ToPatch>::pointInterpolate
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(
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const Field<Type>& pf
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) const
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{
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if (pf.size() != fromPatch_.nPoints())
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{
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FatalErrorIn
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(
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"PatchToPatchInterpolation::pointInterpolate"
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"(const Field<Type> pf)"
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) << "given field does not correspond to patch. Patch size: "
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<< fromPatch_.nPoints() << " field size: " << pf.size()
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<< abort(FatalError);
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}
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tmp<Field<Type> > tresult
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(
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new Field<Type>
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(
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toPatch_.nPoints(),
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pTraits<Type>::zero
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)
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);
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Field<Type>& result = tresult();
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const List<typename FromPatch::FaceType>& fromPatchLocalFaces =
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fromPatch_.localFaces();
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const FieldField<Field, scalar>& weights = pointWeights();
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const labelList& addr = pointAddr();
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forAll(result, pointI)
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{
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const scalarField& curWeights = weights[pointI];
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if (addr[pointI] > -1)
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{
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const labelList& hitFacePoints =
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fromPatchLocalFaces[addr[pointI]];
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forAll(curWeights, wI)
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{
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result[pointI] += curWeights[wI]*pf[hitFacePoints[wI]];
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}
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}
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}
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return tresult;
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}
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template<class FromPatch, class ToPatch>
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template<class Type>
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tmp<Field<Type> >
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PatchToPatchInterpolation<FromPatch, ToPatch>::pointInterpolate
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(
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const tmp<Field<Type> >& tpf
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) const
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{
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tmp<Field<Type> > tint = pointInterpolate<Type>(tpf());
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tpf.clear();
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return tint;
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}
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//- Interpolate face field
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template<class FromPatch, class ToPatch>
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template<class Type>
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tmp<Field<Type> >
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PatchToPatchInterpolation<FromPatch, ToPatch>::faceInterpolate
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(
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const Field<Type>& ff
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) const
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{
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if (ff.size() != fromPatch_.size())
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{
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FatalErrorIn
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(
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"PatchToPatchInterpolation::faceInterpolate"
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"(const Field<Type> ff)"
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) << "given field does not correspond to patch. Patch size: "
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<< fromPatch_.size() << " field size: " << ff.size()
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<< abort(FatalError);
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}
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tmp<Field<Type> > tresult
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(
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new Field<Type>
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(
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toPatch_.size(),
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pTraits<Type>::zero
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)
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);
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Field<Type>& result = tresult();
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const labelListList& fromPatchFaceFaces = fromPatch_.faceFaces();
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const FieldField<Field, scalar>& weights = faceWeights();
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const labelList& addr = faceAddr();
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forAll(result, faceI)
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{
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const scalarField& curWeights = weights[faceI];
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if (addr[faceI] > -1)
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{
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const labelList& hitFaceFaces =
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fromPatchFaceFaces[addr[faceI]];
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// first add the hit face
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result[faceI] += ff[addr[faceI]]*curWeights[0];
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for (label wI = 1; wI < curWeights.size(); wI++)
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{
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result[faceI] += ff[hitFaceFaces[wI - 1]]*curWeights[wI];
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}
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}
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}
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return tresult;
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}
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template<class FromPatch, class ToPatch>
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template<class Type>
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tmp<Field<Type> >
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PatchToPatchInterpolation<FromPatch, ToPatch>::faceInterpolate
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(
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const tmp<Field<Type> >& tff
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) const
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{
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tmp<Field<Type> > tint = faceInterpolate(tff());
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tff.clear();
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return tint;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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