enrichedPatch.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.

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Class
    Foam::enrichedPatch

Description
    The enriched patch contains a double set of faces from the two
    sides of the sliding interface before the cutting.

    The patch basically consists of two over-lapping sets of faces sitting
    on a common point support, where every edge may be shared by more than
    2 faces.  The patch points are collected in a map.  Additional
    information needed for cutting is the point insertion into every edge
    of master and slave.

    Note:
    If new points are created during master-slave edge cutting, they
    should be registered with the pointMap.


SourceFiles
    enrichedPatch.C
    enrichedPatchCutFaces.C
    enrichedPatchFaces.C
    enrichedPatchPointMap.C
    enrichedPatchPointMergeMap.C
    enrichedPatchPointPoints.C

\*---------------------------------------------------------------------------*/

#ifndef enrichedPatch_H
#define enrichedPatch_H

#include "primitiveFacePatch.H"
#include "Map.H"
#include "point.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                        Class enrichedPatch Declaration
\*---------------------------------------------------------------------------*/

class enrichedPatch
{
    // Private Data

        //- Reference to master patch
        const primitiveFacePatch& masterPatch_;

        //- Reference to slave patch
        const primitiveFacePatch& slavePatch_;

        //- Map of points supporting patch faces
        mutable Map<point> pointMap_;

        //- Has the point map been completed?
        mutable bool pointMapComplete_;

        //- Map of point merges
        mutable Map<label> pointMergeMap_;

        //- Slave point point hits
        const labelList& slavePointPointHits_;

        //- Slave point edge hits
        const labelList& slavePointEdgeHits_;

        //- Slave point face hits
        const List<objectHit>& slavePointFaceHits_;


    // Demand-driven private data

        //- Enriched patch
        mutable faceList* enrichedFacesPtr_;

        //- Mesh points
        mutable labelList* meshPointsPtr_;

        //- Local faces
        mutable faceList* localFacesPtr_;

        //- Local points
        mutable pointField* localPointsPtr_;

        //- Point-point addressing
        mutable labelListList* pointPointsPtr_;

        // Master point addressing
        mutable Map<labelList>* masterPointFacesPtr_;


        // Cut faces and addressing

            //- Cut faces
            mutable faceList* cutFacesPtr_;

            //- Cut face master
            //  - the face on the master patch for internal faces
            //  - the creator face for boundary face
            mutable labelList* cutFaceMasterPtr_;

            //- Cut face slave
            //  - the face on the slave patch for internal faces
            //  - -1 for boundary face
            mutable labelList* cutFaceSlavePtr_;


    // Private Member Functions

        // Creation of demand-driven private data

            //- Calculate point merge map
            void calcPointMergeMap() const;

            //- Complete point map
            void completePointMap() const;

            //- Calculate mesh points
            void calcMeshPoints() const;

            //- Calculate local points
            void calcLocalPoints() const;

            //- Calculate local faces
            void calcLocalFaces() const;

            //- Calculate point-point addressing
            void calcPointPoints() const;

            //- Calculate master point addressing
            void calcMasterPointFaces() const;

            //- Calculate cut faces
            void calcCutFaces() const;

            //- Clear cut faces
            void clearCutFaces();

            //- Clear out demand-driven data
            void clearOut();


    // Static Data Members

        //- Estimated ratio of original-to-enriched face size
        static const label enrichedFaceRatio_;

        //- Estimated number of master face hits by slave points
        static const label nFaceHits_;

        //- Size of face on which the check is forced
        static const label maxFaceSizeDebug_;


public:

    // Static Data Members
    ClassName("enrichedPatch");

    // Constructors

        //- Construct from components
        enrichedPatch
        (
            const primitiveFacePatch& masterPatch,
            const primitiveFacePatch& slavePatch,
            const labelList& slavePointPointHits,
                                            // -1 or common point snapped to
            const labelList& slavePointEdgeHits,
                                            // -1 or common edge snapped to
            const List<objectHit>& slavePointFaceHits
                                            // master face snapped to
        );

        //- Disallow default bitwise copy construction
        enrichedPatch(const enrichedPatch&) = delete;


    //- Destructor
    ~enrichedPatch();


    // Member Functions

        // Access

            //- Return non-const access to point map to add points
            Map<point>& pointMap();

            //- Return map of points
            const Map<point>& pointMap() const;

            //- Return map of point merges
            Map<label>& pointMergeMap()
            {
                return pointMergeMap_;
            }

            //- Return map of point merges
            const Map<label>& pointMergeMap() const
            {
                return pointMergeMap_;
            }


        // Topological data

            //- Calculate enriched faces
            void calcEnrichedFaces
            (
                const labelListList& pointsIntoMasterEdges,
                const labelListList& pointsIntoSlaveEdges,
                const pointField& projectedSlavePoints
            );

            //- Return enriched faces
            const faceList& enrichedFaces() const;

            //- Return mesh points
            const labelList& meshPoints() const;

            //- Return local faces
            const faceList& localFaces() const;

            //- Return local points
            const pointField& localPoints() const;

            //- Return point-point addressing
            const labelListList& pointPoints() const;

            //- Master point face addressing
            const Map<labelList>& masterPointFaces() const;


        // Cut faces

            //- Return list of cut faces
            const faceList& cutFaces() const;

            //- Return cut face master list
            const labelList& cutFaceMaster() const;

            //- Return cut face slave list
            const labelList& cutFaceSlave() const;


        //- Check if the patch is fully supported
        bool checkSupport() const;


        //- Debugging: dump graphical representation to obj format file
        void writeOBJ(const fileName&) const;


    // Member Operators

        //- Disallow default bitwise assignment
        void operator=(const enrichedPatch&) = delete;
};


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

} // End namespace Foam

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

#endif

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