Files
OpenFOAM-12/src/parallel/decompose/decompositionMethods/multiLevelDecomp/multiLevelDecomp.H
2024-05-21 11:24:34 +01:00

147 lines
4.1 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2024 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
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::multiLevelDecomp
Description
Decomposition given using consecutive application of decomposers.
SourceFiles
multiLevelDecomp.C
\*---------------------------------------------------------------------------*/
#ifndef multiLevelDecomp_H
#define multiLevelDecomp_H
#include "decompositionMethod.H"
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class multiLevelDecomp Declaration
\*---------------------------------------------------------------------------*/
class multiLevelDecomp
:
public decompositionMethod
{
// Private Data
dictionary methodsDict_;
PtrList<decompositionMethod> methods_;
// Private Member Functions
//- Given connectivity across processors work out connectivity
// for a (consistent) subset
void subsetGlobalCellCells
(
const label nDomains,
const label domainI,
const labelList& dist,
const labelListList& cellCells,
const labelList& set,
labelListList& subCellCells,
labelList& cutConnections
) const;
//- Decompose level methodI without addressing
void decompose
(
const labelListList& pointPoints,
const pointField& points,
const scalarField& pointWeights,
const labelList& pointMap, // map back to original points
const label levelI,
labelField& finalDecomp
);
public:
//- Runtime type information
TypeName("multiLevel");
// Constructors
//- Construct given the decomposition dictionary
multiLevelDecomp(const dictionary& decompositionDict);
//- Disallow default bitwise copy construction
multiLevelDecomp(const multiLevelDecomp&) = delete;
//- Destructor
virtual ~multiLevelDecomp()
{}
// Member Functions
//- Inherit decompose from decompositionMethod
using decompositionMethod::decompose;
//- Return for every coordinate the wanted processor number. Use the
// mesh connectivity (if needed)
virtual labelList decompose
(
const polyMesh& mesh,
const pointField& points,
const scalarField& pointWeights
);
//- Return for every coordinate the wanted processor number. Explicitly
// provided connectivity - does not use mesh_.
virtual labelList decompose
(
const labelListList& globalCellCells,
const pointField& cellCentres,
const scalarField& cellWeights
);
// Member Operators
//- Disallow default bitwise assignment
void operator=(const multiLevelDecomp&) = delete;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //