pointPatch.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2011-2012 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
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::pointPatch
 
Description
    Basic pointPatch represents a set of points from the mesh.
 
SourceFiles
    pointPatch.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_pointPatch_H
#define Foam_pointPatch_H
 
#include "labelList.H"
#include "vectorField.H"
#include "pointField.H"
#include "PtrList.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class pointBoundaryMesh;
class pointConstraint;
class pointPatch;
class PstreamBuffers;
 
//- Store lists of pointPatch as a PtrList
typedef PtrList<pointPatch> pointPatchList;
 
/*---------------------------------------------------------------------------*\
                      Class pointPatch Declaration
\*---------------------------------------------------------------------------*/
 
class pointPatch
{
    // Private Data
 
        //- Reference to boundary mesh
        const pointBoundaryMesh& boundaryMesh_;
 
 
protected:
 
    // Protected Member Functions
 
        // The geometry initialisation is called by pointBoundaryMesh
        friend class pointBoundaryMesh;
 
        //- Initialise the calculation of the patch geometry
        virtual void initGeometry(PstreamBuffers&)
        {}
 
        //- Calculate the patch geometry
        virtual void calcGeometry(PstreamBuffers&)
        {}
 
        //- Initialise the patches for moving points
        virtual void initMovePoints(PstreamBuffers&, const pointField&)
        {}
 
        //- Correct patches after moving points
        virtual void movePoints(PstreamBuffers&, const pointField&)
        {}
 
        //- Initialise the update of the patch topology
        virtual void initUpdateMesh(PstreamBuffers&)
        {}
 
        //- Update of the patch topology
        virtual void updateMesh(PstreamBuffers&)
        {}
 
 
        //- No copy construct
        pointPatch(const pointPatch&) = delete;
 
        //- No copy assignment
        void operator=(const pointPatch&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("basePatch");
 
 
    // Constructor
 
        //- Construct from boundary mesh
        explicit pointPatch(const pointBoundaryMesh& bm)
        :
            boundaryMesh_(bm)
        {}
 
 
    //- Destructor
    virtual ~pointPatch() = default;
 
 
    // Member Functions
 
        //- Return name
        virtual const word& name() const = 0;
 
        //- Return size
        virtual label size() const = 0;
 
        //- Return the index of this patch in the pointBoundaryMesh
        virtual label index() const = 0;
 
        //- Return boundaryMesh reference
        const pointBoundaryMesh& boundaryMesh() const
        {
            return boundaryMesh_;
        }
 
        //- Return true if this patch field is coupled
        virtual bool coupled() const
        {
            return false;
        }
 
        //- Return mesh points
        virtual const labelList& meshPoints() const = 0;
 
        //- Return pointField of points in patch
        virtual const vectorField& localPoints() const = 0;
 
        //- Return point unit normals
        virtual const vectorField& pointNormals() const = 0;
 
        //- Return the constraint type this pointPatch implements.
        virtual const word& constraintType() const
        {
            return word::null;
        }
 
        //- Accumulate the effect of constraint direction of this patch
        virtual void applyConstraint
        (
            const label pointi,
            pointConstraint&
        ) const
        {}
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //