faMeshDistributor.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    Copyright (C) 2022-2025 OpenCFD Ltd.
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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.
 
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    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::faMeshDistributor
 
Description
    Holds a reference to the original mesh (the baseMesh)
    and optionally to a subset of that mesh (the subMesh)
    with mapping lists for points, faces, and cells.
 
SourceFiles
    faMeshDistributor.cxx
    faMeshDistributor.txx
    faMeshDistributorNew.cxx
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_faMeshDistributor_H
#define Foam_faMeshDistributor_H
 
#include "faMesh.H"
#include "mapDistributePolyMesh.H"
#include "areaFieldsFwd.H"
#include "edgeFieldsFwd.H"
#include "Switch.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class IOobjectList;
 
/*---------------------------------------------------------------------------*\
                      Class faMeshDistributor Declaration
\*---------------------------------------------------------------------------*/
 
class faMeshDistributor
{
    // Private Data
 
        //- The source mesh reference
        const faMesh& srcMesh_;
 
        //- The destination mesh reference
        const faMesh& tgtMesh_;
 
        //- Distribution map reference (faMesh)
        const mapDistributePolyMesh& distMap_;
 
        //- Internal edge mapper
        mutable std::unique_ptr<mapDistributeBase> internalEdgeMapPtr_;
 
        //- Patch edge mappers
        mutable PtrList<mapDistributeBase> patchEdgeMaps_;
 
        //- Storage for dummy handler (when using bool control)
        refPtr<fileOperation> dummyHandler_;
 
        //- Write control via a file handler
        refPtr<fileOperation>& writeHandler_;
 
        //- Write control as a bool
        Switch isWriteProc_;
 
 
    // Private Member Functions
 
        //- Construct internal edge mapping
        void createInternalEdgeMap() const;
 
        //- Construct per-patch edge mapping
        void createPatchMaps() const;
 
        //- Debug: check addressing
        void checkAddressing() const;
 
        //- Construct reconstruct mapping
        static mapDistributePolyMesh createReconstructMap
        (
            const faMesh& mesh,
            const autoPtr<faMesh>& baseMeshPtr,
            const labelUList& faceProcAddr,
            const labelUList& edgeProcAddr,
            const labelUList& pointProcAddr,
            const labelUList& boundaryProcAddr
        );
 
 
public:
 
    //- Output verbosity when writing
    static int verbose_;
 
 
    // Generated Methods
 
        //- No copy construct
        faMeshDistributor(const faMeshDistributor&) = delete;
 
        //- No copy assignment
        void operator=(const faMeshDistributor&) = delete;
 
 
    // Constructors
 
        //- Construct from components, using bool to control writing
        faMeshDistributor
        (
            const faMesh& srcMesh,
            const faMesh& tgtMesh,
            const mapDistributePolyMesh& faDistMap,
            const bool isWriteProc
        );
 
        //- Construct from components, using file handler to control writing
        faMeshDistributor
        (
            const faMesh& srcMesh,
            const faMesh& tgtMesh,
            const mapDistributePolyMesh& faDistMap,
            refPtr<fileOperation>& writeHandler
        );
 
 
    // Static Methods
 
        //- Distribute mesh according to the given (volume) mesh distribution.
        //  Uses 'tgtPolyMesh' for the new mesh
        static mapDistributePolyMesh distribute
        (
            const faMesh& oldMesh,
            const mapDistributePolyMesh& distMap,  
            const polyMesh& tgtPolyMesh,
            autoPtr<faMesh>& newMeshPtr
        );
 
        //- Distribute mesh according to the given (volume) mesh distribution.
        //  Re-uses polyMesh from oldMesh for the new mesh
        static mapDistributePolyMesh distribute
        (
            const faMesh& oldMesh,
            const mapDistributePolyMesh& distMap,  
            autoPtr<faMesh>& newMeshPtr
        );
 
 
    // Member Functions
 
    // Field Mapping
 
        //- Read, distribute and write all/selected point field types
        //- (scalar, vector, ... types)
        label distributeAllFields
        (
            const IOobjectList& objects,
            const wordRes& selectedFields = wordRes()
        ) const;
 
        //- Distribute area field
        template<class Type>
        tmp<GeometricField<Type, faPatchField, areaMesh>>
        distributeField
        (
            const GeometricField<Type, faPatchField, areaMesh>& fld
        ) const;
 
        //- Distribute edge field
        template<class Type>
        tmp<GeometricField<Type, faePatchField, edgeMesh>>
        distributeField
        (
            const GeometricField<Type, faePatchField, edgeMesh>& fld
        ) const;
 
        //- Read and distribute area field
        template<class Type>
        tmp<GeometricField<Type, faPatchField, areaMesh>>
        distributeAreaField
        (
            const IOobject& fieldObject
        ) const;
 
        //- Read and distribute edge field
        template<class Type>
        tmp<GeometricField<Type, faePatchField, edgeMesh>>
        distributeEdgeField
        (
            const IOobject& fieldObject
        ) const;
 
        //- Read, distribute and write all/selected area fields
        template<class Type>
        label distributeAreaFields
        (
            const IOobjectList& objects,
            const wordRes& selectedFields = wordRes()
        ) const;
 
        //- Read, distribute and write all/selected area fields
        template<class Type>
        label distributeEdgeFields
        (
            const IOobjectList& objects,
            const wordRes& selectedFields = wordRes()
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 
#ifdef NoRepository
#   include "faMeshDistributor.txx"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //