topOZones.H

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    Copyright (C) 2007-2023 PCOpt/NTUA
    Copyright (C) 2013-2023 FOSS GP
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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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    You should have received a copy of the GNU General Public License
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Class
    topOZones
 
Description
    Class holding cells zones used in topology optimisation
 
SourceFiles
    topOZones.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef topOZones_H
#define topOZones_H
 
#include "fvMesh.H"
#include "betaMax.H"
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                  Class topOZones Declaration
\*---------------------------------------------------------------------------*/
 
class topOZones
{
 
protected:
 
    // Protected data
 
        //- Mesh reference
        const fvMesh& mesh_;
 
        //- TopO design variables dictionary
        const dictionary dict_;
 
        //- IDs of cellZones holding cells with constant alpha values
        labelList fixedPorousIDs_;
 
        //- The constant alpha values of fixedPorousIDs_
        scalarList fixedPorousValues_;
 
        //- IDs of cellZones holding cells with zero alpha values
        labelList fixedZeroPorousIDs_;
 
        //- IDs of cellZones with cells that can change their alpha value
        //- throughout the optimisation
        labelList adjointPorousIDs_;
 
        //- ID of the cellZone holding the cells next to inlets & outlets
        label IOcellsID_;
 
        //- The multiplier of the Brinkman penalisation term
        autoPtr<betaMax> betaMaxPtr_;
 
 
    // Protected Member Functions
 
        //- Get zone IDs corresponding to a wordList, read from a dict.
        //  Avoid going through ZoneMesh.indices() since this practically sorts
        //  the IDs from smallest to largest while we need to keep them in the
        //  same order as that prescribed in the wordList
        labelList getZoneIDs(const dictionary& dict, const word& zoneGroup);
 
        //- Add a cellZone containing the cells next to IO patches
        void addIOcellsZone();
 
 
private:
 
    // Private Member Functions
 
        //- No copy construct
        topOZones(const topOZones&);
 
        //- No copy assignment
        void operator=(const topOZones&);
 
 
public:
 
    //- Runtime type information
    TypeName("topOZones");
 
 
    // Constructors
 
        //- Construct from components
        topOZones
        (
            const fvMesh& mesh,
            const dictionary& dict
        );
 
 
    //- Destructor
    virtual ~topOZones() = default;
 
 
    // Member Functions
 
        //- Const reference to mesh
        inline const fvMesh& mesh() const
        {
            return mesh_;
        }
 
        //- Cell zone IDs with fixed porosity values
        inline const labelList& fixedPorousZoneIDs() const
        {
            return fixedPorousIDs_;
        }
 
        //- Values of alpha for each fixed porous zone
        inline const scalarList& fixedPorousValues() const
        {
            return fixedPorousValues_;
        }
 
        //- Cell zone IDs with fixed zero porosity values
        inline const labelList& fixedZeroPorousZoneIDs() const
        {
            return fixedZeroPorousIDs_;
        }
 
        //- Cell zone IDs in which porosity is allowed to change
        inline const labelList& adjointPorousZoneIDs() const
        {
            return adjointPorousIDs_;
        }
 
        //- Cells next to IO boundaries
        inline const cellZone& IOCells() const
        {
            return mesh_.cellZones()[IOcellsID_];
        }
 
        //- ID of the cellZone holding the IOcells
        inline label IOzoneID() const
        {
            return IOcellsID_;
        }
 
        //- Get betaMax
        inline scalar getBetaMax() const
        {
            return betaMaxPtr_().value();
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //