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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 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::fvRegionSplit
Description
This class enumerates disconnected regions of an fvMesh. It inherits a
label list which it populates on construction with the region index for
each cell in the mesh.
Optionally additional faces can be blocked by providing a scalar field and
value. A face is then considered blocked if the values in the adjacent
cells (including via coupled boundaries) span the given value.
SourceFiles
fvRegionSplit.C
\*---------------------------------------------------------------------------*/
#ifndef fvRegionSplit_H
#define fvRegionSplit_H
#include "regionSplitBase.H"
#include "volFieldsFwd.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
class fvMesh;
/*---------------------------------------------------------------------------*\
Class fvRegionSplit Declaration
\*---------------------------------------------------------------------------*/
class fvRegionSplit
:
public regionSplitBase
{
// Private Data
//- Reference to the fvMesh
const fvMesh& mesh_;
// Private Member Functions
//- Calculate region split in non-compact (global) numbering.
void calcNonCompactRegionSplit
(
const globalIndex& globalFaces,
const volScalarField& isoField,
const scalar isoValue,
labelList& cellRegion
) const;
//- Calculate region split. Return the number of regions.
label calcRegionSplit
(
const volScalarField& isoField,
const scalar isoValue,
labelList& cellRegion
) const;
public:
//- Runtime type information
ClassName("fvRegionSplit");
// Constructors
//- Construct from mesh
fvRegionSplit(const fvMesh& mesh);
//- Construct from mesh and iso-surface data to identify blocked faces
fvRegionSplit
(
const fvMesh& mesh,
const VolField<scalar>& isoField,
const scalar isoValue
);
// Member Functions
//- Return reference to the fvMesh
const fvMesh& mesh() const
{
return mesh_;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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