adjointSolver.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2007-2019 PCOpt/NTUA
    Copyright (C) 2013-2019 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::adjointSolver
 
Description
    Base class for adjoint solvers
 
\*---------------------------------------------------------------------------*/
 
#ifndef adjointSolver_H
#define adjointSolver_H
 
#include "fvMesh.H"
#include "Time.H"
#include "IOdictionary.H"
#include "solver.H"
#include "objectiveManager.H"
#include "sensitivity.H"
#include "primalSolver.H"
#include "runTimeSelectionTables.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                        Class adjointSolver Declaration
\*---------------------------------------------------------------------------*/
 
class adjointSolver
:
    public solver
{
private:
 
    // Private Member Functions
 
        //- No copy construct
        adjointSolver(const adjointSolver&) = delete;
 
        //- No copy assignment
        void operator=(const adjointSolver&) = delete;
 
 
protected:
 
    // Protected data
 
        //- Name of primal solver
        const word primalSolverName_;
 
        //- Object to manage objective functions
        autoPtr<objectiveManager> objectiveManagerPtr_;
 
        //- Sensitivities field
        autoPtr<scalarField> sensitivities_;
 
        //- Are sensitivities computed
        bool computeSensitivities_;
 
        //- Is the adjoint solver used to tackle a constraint
        bool isConstraint_;
 
 
public:
 
    // Static Data Members
 
        //- Run-time type information
        TypeName("adjointSolver");
 
 
    // Declare run-time constructor selection table
 
        declareRunTimeNewSelectionTable
        (
            autoPtr,
            adjointSolver,
            adjointSolver,
            (
                fvMesh& mesh,
                const word& managerType,
                const dictionary& dict,
                const word& primalSolverName
            ),
            (mesh, managerType, dict, primalSolverName)
        );
 
 
    // Constructors
 
        //- Construct from mesh, dictionary, and primal solver name
        adjointSolver
        (
            fvMesh& mesh,
            const word& managerType,
            const dictionary& dict,
            const word& primalSolverName
        );
 
 
    // Selectors
 
        //- Return a reference to the selected turbulence model
        static autoPtr<adjointSolver> New
        (
            fvMesh& mesh,
            const word& managerType,
            const dictionary& dict,
            const word& primalSolverName
        );
 
 
    //- Destructor
    virtual ~adjointSolver() = default;
 
 
    // Member Functions
 
        // Access
 
            virtual bool readDict(const dictionary& dict);
 
            //- Return the primal solver name
            const word& primalSolverName() const
            {
                return primalSolverName_;
            }
 
            //- Return a const-reference to the primal solver
            //- corresponding to this adjoint solver
            const primalSolver& getPrimalSolver() const;
 
            //- Return a non const-reference to the primal solver
            //- corresponding to this adjoint solver
            primalSolver& getPrimalSolver();
 
            //- Return a const reference to the objective manager
            const objectiveManager& getObjectiveManager() const;
 
            //- Return a reference to the objective manager
            objectiveManager& getObjectiveManager();
 
 
        // Evolution
 
            //- Compute sensitivities of the underlaying objectives
            virtual void computeObjectiveSensitivities() = 0;
 
            //- Is the solving referring to a constraint
            virtual bool isConstraint();
 
            //- Grab a reference to the computed sensitivities
            virtual const scalarField& getObjectiveSensitivities() = 0;
 
            //- Clears the sensitivity field known by the adjoint solver
            virtual void clearSensitivities();
 
            //- Return the base sensitivity object
            virtual sensitivity& getSensitivityBase() = 0;
 
            //- Update primal based quantities, e.g. the primal fields
            //- in adjoint turbulence models
            //  Does nothing in the base
            virtual void updatePrimalBasedQuantities();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //