domainDecompositionDryRun.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2018-2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
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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    You should have received a copy of the GNU General Public License
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Class
    Foam::domainDecompositionDryRun
 
Description
    Testing of domain decomposition for finite-volume meshes
 
SourceFiles
    domainDecompositionDryRun.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef domainDecompositionDryRun_H
#define domainDecompositionDryRun_H
 
#include "fvMesh.H"
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                  Class domainDecompositionDryRun Declaration
\*---------------------------------------------------------------------------*/
 
class domainDecompositionDryRun
{
    // Private Data
 
        //- The mesh
        fvMesh mesh_;
 
        //- Optional non-standard file for decomposeParDict
        const fileName decompDictFile_;
 
        //- Optional override for numberOfSubdomains in decomposeParDict
        const label nDomainsOverride_;
 
        //- Optional override for method in decomposeParDict
        const word methodNameOverride_;
 
 
    // Private Members
 
        //- Write decomposition as volScalarField for visualization
        void writeVolField
        (
            const word& timeName,
            const labelUList& cellToProc
        ) const;
 
        //- Write cell distribution as VTU file (binary)
        void writeVTK
        (
            const fileName& file,
            const labelUList& cellToProc
        ) const;
 
 
public:
 
    // Constructors
 
        //- Construct from components.
        //  \param io the IOobject for mesh
        //  \param decompDictFile optional non-standard location for the
        //      decomposeParDict file
        //  \param nDomains optional override value for numberOfSubdomains
        //  \param methodName optional override value for decomposition method
        domainDecompositionDryRun
        (
            const IOobject& io,
            const fileName& decompDictFile = "",
            const label nDomains = 0,
            const word& methodName = ""
        );
 
 
    //- Destructor
    ~domainDecompositionDryRun() = default;
 
 
    // Member Functions
 
        //- The mesh
        const fvMesh& mesh() const noexcept
        {
            return mesh_;
        }
 
        //- Perform dry-run
        void execute(const bool writeCellDist, const bool verbose = false);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //