sensitivity.H

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-------------------------------------------------------------------------------
    Copyright (C) 2007-2023 PCOpt/NTUA
    Copyright (C) 2013-2023 FOSS GP
    Copyright (C) 2019 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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    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::sensitivity
 
Description
    Abstract base class for adjoint sensitivities
 
SourceFiles
    sensitivity.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef sensitivity_H
#define sensitivity_H
 
#include "volFields.H"
#include "surfaceFields.H"
#include "dictionary.H"
#include "volPointInterpolation.H"
 
#include "pointMesh.H"
#include "pointPatchField.H"
#include "pointPatchFieldsFwd.H"
#include "fixedValuePointPatchField.H"
#include "boundaryFieldsFwd.H"
#include "createZeroField.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration
class designVariables;
 
/*---------------------------------------------------------------------------*\
                         Class sensitivity Declaration
\*---------------------------------------------------------------------------*/
 
class sensitivity
{
protected:
 
    // Protected data
 
        const fvMesh& mesh_;
        dictionary dict_;
        bool writeFieldSens_;
 
        // Field sensitivities. Topology optimisation
        //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        autoPtr<volScalarField> fieldSensPtr_;
 
 
private:
 
    // Private Member Functions
 
        //- No copy construct
        sensitivity(const sensitivity&) = delete;
 
        //- No copy assignment
        void operator=(const sensitivity&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("sensitivity");
 
    // Constructors
 
        //- Construct from components
        sensitivity
        (
            const fvMesh& mesh,
            const dictionary& dict
        );
 
    //- Destructor
    virtual ~sensitivity() = default;
 
 
    // Member Functions
 
        //- Return reference to mesh
        inline const fvMesh& mesh() const
        {
            return mesh_;
        }
 
        //- Return the construction dictionary
        inline const dictionary& dict() const
        {
            return
                dict_.optionalSubDict(mesh_.name()).
                    optionalSubDict("sensitivities");
        }
 
        //- Read dictionary if changed
        virtual bool readDict(const dictionary& dict);
 
        //- Calculates and returns sensitivity field
        virtual const scalarField& calculateSensitivities
        (
            autoPtr<designVariables>& designVars
        ) = 0;
 
        //- Get the fieldSensPtr
        inline const autoPtr<volScalarField>& fieldSensPtr() const
        {
            return fieldSensPtr_;
        }
 
        //- Write sensitivity fields.
        //  If valid, copies boundaryFields to volFields and writes them.
        //  Virtual to be reimplemented by control points-based methods
        //  (Bezier, RBF) which do not need to write fields
        virtual void write(const word& baseName = word::null);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
//#ifdef NoRepository
//    #include "sensitivityTemplates.C"
//#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //