CPCCellToCellStencil.C

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    Copyright (C) 2011-2016 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.
 
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    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "CPCCellToCellStencil.H"
#include "syncTools.H"
#include "dummyTransform.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::CPCCellToCellStencil::calcPointBoundaryData
(
    const boolList& isValidBFace,
    const labelList& boundaryPoints,
    Map<labelList>& neiGlobal
) const
{
    neiGlobal.resize(2*boundaryPoints.size());
 
    labelHashSet pointGlobals;
 
    forAll(boundaryPoints, i)
    {
        label pointi = boundaryPoints[i];
 
        neiGlobal.insert
        (
            pointi,
            calcFaceCells
            (
                isValidBFace,
                mesh().pointFaces()[pointi],
                pointGlobals
            )
        );
    }
 
    syncTools::syncPointMap
    (
        mesh(),
        neiGlobal,
        ListOps::unionEqOp(),
        Foam::dummyTransform()      // dummy transformation
    );
}
 
 
void Foam::CPCCellToCellStencil::calcCellStencil
(
    labelListList& globalCellCells
) const
{
    // Calculate points on coupled patches
    labelList boundaryPoints(allCoupledFacesPatch()().meshPoints());
 
 
    // Mark boundary faces to be included in stencil (i.e. not coupled or empty)
    boolList isValidBFace;
    validBoundaryFaces(isValidBFace);
 
 
    // Swap pointCells for coupled points
    Map<labelList> neiGlobal;
    calcPointBoundaryData
    (
        isValidBFace,
        boundaryPoints,
        neiGlobal
    );
 
    globalCellCells.setSize(mesh().nCells());
 
    // Do coupled points first
 
    forAll(boundaryPoints, i)
    {
        label pointi = boundaryPoints[i];
 
        const labelList& pGlobals = neiGlobal[pointi];
 
        // Distribute to all pointCells
        const labelList& pCells = mesh().pointCells(pointi);
 
        forAll(pCells, j)
        {
            label celli = pCells[j];
 
            // Insert pGlobals into globalCellCells
            merge
            (
                globalNumbering().toGlobal(celli),
                pGlobals,
                globalCellCells[celli]
            );
        }
    }
    neiGlobal.clear();
 
    // Do remaining points cells
    labelHashSet pointGlobals;
 
    for (label pointi = 0; pointi < mesh().nPoints(); pointi++)
    {
        labelList pGlobals
        (
            calcFaceCells
            (
                isValidBFace,
                mesh().pointFaces()[pointi],
                pointGlobals
            )
        );
 
        const labelList& pCells = mesh().pointCells(pointi);
 
        forAll(pCells, j)
        {
            label celli = pCells[j];
 
            merge
            (
                globalNumbering().toGlobal(celli),
                pGlobals,
                globalCellCells[celli]
            );
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::CPCCellToCellStencil::CPCCellToCellStencil(const polyMesh& mesh)
:
    cellToCellStencil(mesh)
{
    // Calculate per cell the (point) connected cells (in global numbering)
    labelListList globalCellCells;
    calcCellStencil(*this);
}
 
 
// ************************************************************************* //