cellVolumeWeightCellCellStencil.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    Copyright (C) 2016-2018 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.
 
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    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::cellCellStencils::cellVolumeWeight
 
Description
    Volume-weighted interpolation stencil
 
SourceFiles
    cellVolumeWeightCellCellStencil.C
    cellVolumeWeightCellCellStencilTemplates.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef cellCellStencils_cellVolumeWeight_H
#define cellCellStencils_cellVolumeWeight_H
 
#include "cellCellStencil.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace cellCellStencils
{
 
/*---------------------------------------------------------------------------*\
                     Class cellVolumeWeight Declaration
\*---------------------------------------------------------------------------*/
 
class cellVolumeWeight
:
    public cellCellStencil
{
protected:
 
    // Static data members
 
        //- Default overlap tolerance. Fraction of volume
        static scalar defaultOverlapTolerance_;
 
 
    // Protected data
 
        //- Dictionary of motion control parameters
        const dictionary dict_;
 
        //- Tolerance for volume overlap. Fraction of volume
        scalar overlapTolerance_;
 
        //- Per cell the cell type
        labelList cellTypes_;
 
        //- Indices of interpolated cells
        labelList interpolationCells_;
 
        //- Fetch interpolated cells
        autoPtr<mapDistribute> cellInterpolationMap_;
 
        //- Interpolation stencil
        labelListList cellStencil_;
 
        //- Interpolation weights
        List<scalarList> cellInterpolationWeights_;
 
        //- Amount of interpolation
        volScalarField cellInterpolationWeight_;
 
 
   // Protected Member Functions
 
        void walkFront
        (
            const scalar layerRelax,
            labelList& allCellTypes,
            scalarField& allWeight
        ) const;
 
        //- Find cells next to cells of type PATCH
        void findHoles
        (
            const globalIndex& globalCells,
            const fvMesh& mesh,
            const labelList& zoneID,
            const labelListList& stencil,
            labelList& cellTypes
        ) const;
 
        //- according to additionalDocumentation/MEJ_oversetMesh.txt
        void markPatchCells
        (
            const fvMesh& mesh,
            const labelList& cellMap,
            labelList& patchCellTypes
        ) const;
 
        void combineCellTypes
        (
            const label subZoneID,
            const fvMesh& subMesh,
            const labelList& subCellMap,
 
            const label donorZoneID,
            const labelListList& toOtherCells,
            const List<scalarList>& weights,
            const labelList& otherCells,
            const labelList& interpolatedOtherPatchTypes,
 
            labelListList& allStencil,
            scalarListList& allWeights,
            labelList& allCellTypes,
            labelList& allDonorID
        ) const;
 
        //- interpolate (= combine) patch types
        void interpolatePatchTypes
        (
            const labelListList& addressing,
            const labelList& patchTypes,
            labelList& result
        ) const;
 
        //- interpolate (= combine) patch types
        void interpolatePatchTypes
        (
            const autoPtr<mapDistribute>& mapPtr,
            const labelListList& addressing,
            const labelList& patchTypes,
            labelList& result
        ) const;
 
 
private:
 
    // Private Member Functions
 
        //- No copy construct
        cellVolumeWeight(const cellVolumeWeight&) = delete;
 
        //- No copy assignment
        void operator=(const cellVolumeWeight&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("cellVolumeWeight");
 
 
    // Constructors
 
        //- Construct from fvMesh
        cellVolumeWeight(const fvMesh&, const dictionary&, const bool doUpdate);
 
 
    //- Destructor
    virtual ~cellVolumeWeight();
 
 
    // Member Functions
 
        //- Access to volume overlap tolerance
        scalar overlapTolerance() const
        {
            return overlapTolerance_;
        }
 
        //- Update stencils. Return false if nothing changed.
        virtual bool update();
 
        //- Return the cell type list
        virtual const labelUList& cellTypes() const
        {
            return cellTypes_;
        }
 
        //- Indices of interpolated cells
        virtual const labelUList& interpolationCells() const
        {
            return interpolationCells_;
        }
 
        //- Return a communication schedule
        virtual const mapDistribute& cellInterpolationMap() const
        {
            if (!cellInterpolationMap_)
            {
                const_cast<cellVolumeWeight&>(*this).update();
            }
            return *cellInterpolationMap_;
        }
 
        //- Per interpolated cell the neighbour cells (in terms of slots as
        //  constructed by above cellInterpolationMap) to interpolate
        virtual const labelListList& cellStencil() const
        {
            return cellStencil_;
        }
 
        //- Weights for cellStencil
        virtual const List<scalarList>& cellInterpolationWeights() const
        {
            return cellInterpolationWeights_;
        }
 
        //- Per interpolated cell the interpolation factor. (0 = use
        //  calculated, 1 = use interpolated)
        virtual const scalarList& cellInterpolationWeight() const
        {
            return cellInterpolationWeight_;
        }
 
        //- Calculate inverse distance weights for a single acceptor. Revert
        //  to inverse distance (so not consistent with volume overlap!)
        virtual void stencilWeights
        (
            const point& sample,
            const pointList& donorCcs,
            scalarList& weights
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace cellCellStencils
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //