objectiveTopOVolume.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
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Class
    Foam::objectives::objectiveTopOVolume
 
Description
    Objective quantifying the difference between the volume occupied by fluid
    in topology optimisation and a target percentage; the latter can change
    throughout the optimisation cycles through a Function1.
 
SourceFiles
    objectiveTopOVolume.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef objectiveTopOVolume_H
#define objectiveTopOVolume_H
 
#include "objectiveGeometric.H"
#include "Function1.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
namespace objectives
{
 
/*---------------------------------------------------------------------------*\
                     Class objectiveTopOVolume Declaration
\*---------------------------------------------------------------------------*/
 
class objectiveTopOVolume
:
    public objectiveGeometric
{
    // Private data
 
        autoPtr<Function1<scalar>> targetPercentage_;
 
        bool percentInDenom_;
 
 
public:
 
    //- Runtime type information
    TypeName("topOVolume");
 
 
    // Constructors
 
        //- From components
        objectiveTopOVolume
        (
            const fvMesh& mesh,
            const dictionary& dict,
            const word& adjointSolverName,
            const word& primalSolverName
        );
 
 
    //- Destructor
    virtual ~objectiveTopOVolume() = default;
 
 
    // Member Functions
 
        //- Return the objective function value
        virtual scalar J();
 
        //- Contribution to field sensitivities
        virtual void update_dJdb();
 
        // Helper write functions
 
            //- Write headers for additional columns
            virtual void addHeaderColumns() const;
 
            //- Write information to additional columns
            virtual void addColumnValues() const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace objectives
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //