170 lines
5 KiB
C++
170 lines
5 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 3.2
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::domainDecomposition
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Description
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Automatic domain decomposition class for FOAM meshes
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SourceFiles
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domainDecomposition.C
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\*---------------------------------------------------------------------------*/
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#ifndef domainDecomposition_H
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#define domainDecomposition_H
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#include "fvMesh.H"
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#include "labelList.H"
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#include "SLList.H"
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#include "PtrList.H"
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#include "point.H"
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#ifndef namespaceFoam
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#define namespaceFoam
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using namespace Foam;
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#endif
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/*---------------------------------------------------------------------------*\
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Class domainDecomposition Declaration
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\*---------------------------------------------------------------------------*/
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class domainDecomposition
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:
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public fvMesh
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{
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// Private data
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//- Mesh decomposition control dictionary
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IOdictionary decompositionDict_;
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//- Number of processors in decomposition
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label nProcs_;
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//- Is the decomposition data to be distributed for each processor
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bool distributed_;
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//- Processor label for each cell
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labelList cellToProc_;
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//- Labels of points for each processor
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labelListList procPointAddressing_;
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//- Labels of faces for each processor
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// Note: Face turning index is stored as the sign on addressing
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// Only the processor boundary faces are affected: if the sign of the
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// index is negative, the processor face is the reverse of the
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// original face. In order to do this properly, all face
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// indices will be incremented by 1 and the decremented as
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// necessary t avoid the problem of face number zero having no
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// sign. HJ, 5/Dec/2001
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labelListList procFaceAddressing_;
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//- Number of internal faces for each processor
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labelList nInternalProcFaces_;
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//- Number of live faces for each processor
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labelList nLiveProcFaces_;
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//- Labels of cells for each processor
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labelListList procCellAddressing_;
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//- Original patch index for every processor patch
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labelListList procBoundaryAddressing_;
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//- Sizes for processor mesh patches
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// Excludes inter-processor boundaries
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labelListList procPatchSize_;
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//- Start indices for processor patches
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// Excludes inter-processor boundaries
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labelListList procPatchStartIndex_;
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//- Neighbour processor ID for inter-processor boundaries
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labelListList procNeighbourProcessors_;
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//- Sizes for inter-processor patches
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labelListList procProcessorPatchSize_;
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//- Start indices for inter-processor patches
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labelListList procProcessorPatchStartIndex_;
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//- List of globally shared point labels
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labelList globallySharedPoints_;
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//- Are there cyclic-parallel faces
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bool cyclicParallel_;
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// Private Member Functions
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void distributeCells();
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public:
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// Constructors
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//- Construct from IOobject
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domainDecomposition(const IOobject& io);
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// Destructor
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~domainDecomposition();
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// Member Functions
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//- Number of processor in decomposition
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label nProcs() const
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{
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return nProcs_;
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}
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//- Is the decomposition data to be distributed for each processor
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bool distributed() const
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{
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return distributed_;
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}
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//- Decompose mesh. Optionally remove zero-sized patches.
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void decomposeMesh(const bool filterEmptyPatches);
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//- Write decomposition
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bool writeDecomposition();
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//- Cell-processor decomposition labels
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const labelList& cellToProc() const
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{
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return cellToProc_;
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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