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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 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::regionSplit
Description
This class enumerates disconnected regions of a mesh. It inherits a
label list which it populates on construction with the region index for
each cell in the mesh.
Optionally additional blocked faces and/or explicit connections can be
provided, and a switch can be used to deactivate communication and keep
regions on different processors separate.
SourceFiles
regionSplit.C
\*---------------------------------------------------------------------------*/
#ifndef regionSplit_H
#define regionSplit_H
#include "regionSplitBase.H"
#include "boolList.H"
#include "labelPair.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
class polyMesh;
/*---------------------------------------------------------------------------*\
Class regionSplit Declaration
\*---------------------------------------------------------------------------*/
class regionSplit
:
public regionSplitBase
{
// Private Data
//- Reference to the polyMesh
const polyMesh& mesh_;
// Private Member Functions
//- Calculate region split in non-compact (global) numbering.
void calcNonCompactRegionSplit
(
const globalIndex& globalFaces,
const boolList& blockedFace,
const List<labelPair>& explicitConnections,
labelList& cellRegion,
const bool global
) const;
//- Calculate local region split. Return the number of regions.
label calcLocalRegionSplit
(
const boolList& blockedFace,
const List<labelPair>& explicitConnections,
labelList& cellRegion
) const;
//- Calculate global region split. Return the number of regions.
label calcGlobalRegionSplit
(
const boolList& blockedFace,
const List<labelPair>& explicitConnections,
labelList& cellRegion
) const;
//- Calculate global region split. Return the number of regions.
label calcRegionSplit
(
const boolList& blockedFace,
const List<labelPair>& explicitConnections,
labelList& cellRegion,
const bool global
) const;
public:
//- Runtime type information
ClassName("regionSplit");
// Constructors
//- Construct from mesh
regionSplit
(
const polyMesh& mesh,
const bool global = Pstream::parRun()
);
//- Construct from mesh and whether face is blocked
// NOTE: blockedFace has to be consistent across coupled faces!
regionSplit
(
const polyMesh& mesh,
const boolList& blockedFace,
const bool global = Pstream::parRun()
);
//- Construct from mesh and whether face is blocked. Additional explicit
// connections between normal boundary faces.
// NOTE: blockedFace has to be consistent across coupled faces!
regionSplit
(
const polyMesh& mesh,
const boolList& blockedFace,
const List<labelPair>&,
const bool global = Pstream::parRun()
);
// Member Functions
//- Return reference to the polyMesh
const polyMesh& mesh() const
{
return mesh_;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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