nearestPatchToPatch.H

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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    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
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::patchToPatches::nearest
 
Description
    Class to generate patchToPatch coupling geometry. Couples a face to the
    single nearest opposite face only.
 
SourceFiles
    nearest.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef nearestPatchToPatch_H
#define nearestPatchToPatch_H
 
#include "nearbyPatchToPatch.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace patchToPatches
{
 
/*---------------------------------------------------------------------------*\
                          Class nearest Declaration
\*---------------------------------------------------------------------------*/
 
class nearest
:
    public nearby
{
protected:
 
    // Private Member Data
 
        //- For each source face, the distance to its coupled target face
        List<scalar> srcDistances_;
 
        //- For each target face, the distance to its coupled source face
        List<scalar> tgtDistances_;
 
 
    // Private Member Functions
 
        //- Intersect two faces
        virtual bool intersectFaces
        (
            const primitiveOldTimePatch& srcPatch,
            const vectorField& srcPointNormals,
            const vectorField& srcPointNormals0,
            const primitiveOldTimePatch& tgtPatch,
            const label srcFacei,
            const label tgtFacei
        );
 
        //- Initialisation
        virtual void initialise
        (
            const primitiveOldTimePatch& srcPatch,
            const vectorField& srcPointNormals,
            const vectorField& srcPointNormals0,
            const primitiveOldTimePatch& tgtPatch
        );
 
        //- Finalise the intersection locally. Trims the local target patch
        //  so that only parts that actually intersect the source remain.
        //  Returns new-to-old map for trimming target-associated data.
        virtual labelList finaliseLocal
        (
            const primitiveOldTimePatch& srcPatch,
            const vectorField& srcPointNormals,
            const vectorField& srcPointNormals0,
            const primitiveOldTimePatch& tgtPatch
        );
 
        //- Send data that resulted from an intersection between the source
        //  patch and a distributed source-local-target patch back to the
        //  original target processes
        virtual void rDistributeTgt(const primitiveOldTimePatch& tgtPatch);
 
        //- Finalise the intersection
        virtual label finalise
        (
            const primitiveOldTimePatch& srcPatch,
            const vectorField& srcPointNormals,
            const vectorField& srcPointNormals0,
            const primitiveOldTimePatch& tgtPatch,
            const transformer& tgtToSrc
        );
 
        //- For each source face, the coupled target weights
        virtual tmpNrc<List<DynamicList<scalar>>> srcWeights() const;
 
        //- For each target face, the coupled source weights
        virtual tmpNrc<List<DynamicList<scalar>>> tgtWeights() const;
 
 
public:
 
    //- Runtime type information
    TypeName("nearest");
 
 
    // Constructors
 
        //- Construct from components
        nearest(const bool reverse);
 
 
    //- Destructor
    ~nearest();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace patchToPatches
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //