objectiveTopOVolume.H

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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

// ************************************************************************* //