solver.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  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::solver
 
Description
    Base class for solution control classes
 
\*---------------------------------------------------------------------------*/
 
#ifndef solver_H
#define solver_H
 
#include "fvMesh.H"
#include "fvMatrix.H"
#include "localIOdictionary.H"
#include "variablesSet.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
/*---------------------------------------------------------------------------*\
                            Class solver Declaration
\*---------------------------------------------------------------------------*/
 
class solver
:
    public localIOdictionary
{
protected:
 
    // Protected Data
 
        //- Reference to the mesh database
        fvMesh& mesh_;
 
        //- The optimisation type
        const word managerType_;
 
        //- Dictionary holding the solver info
        dictionary dict_;
 
        //- Solver name
        const word solverName_;
 
        //- Solve equations?
        bool active_;
 
        //- Pointer to a source term coming from the optimisationType
        //- (e.g. porosity from topologyOptimisation)
        //  Will never allocate new memory, so no need to be deleted
        //  in the destructor
        const volScalarField* optTypeSource_;
 
        //- Base variableSet pointer.
        //  To be allocated in derived classes
        autoPtr<variablesSet> vars_;
 
 
    // Protected Member Functions
 
        //- No copy construct
        solver(const solver&) = delete;
 
        //- No copy assignment
        void operator=(const solver&) = delete;
 
 
public:
 
 
    // Static Data Members
 
        //- Run-time type information
        TypeName("solver");
 
 
    // Constructors
 
        //- Construct from mesh and dictionary
        solver
        (
            fvMesh& mesh,
            const word& managerType,
            const dictionary& dict
        );
 
 
    //- Destructor
    virtual ~solver();
 
 
    // Member Functions
 
        virtual bool readDict(const dictionary& dict);
 
 
        // Access
 
            //- Return the solver mesh
            const fvMesh& mesh() const;
 
            //- Return the solver name
            const word& solverName() const;
 
            //- Use solver name as a suffix to the involved fields
            virtual bool useSolverNameForFields() const = 0;
 
            //- Return state of solver
            virtual bool active();
 
            //- Return the solver dictionary
            virtual const dictionary& dict() const;
 
            //- Return constant reference to variableSet used by the solver
            const variablesSet& getVariablesSet() const;
 
            //- Return non-constant reference to variableSet used by the solver
            variablesSet& getVariablesSet();
 
 
        // Evolution
 
            //- Execute one iteration of the solution algorithm
            virtual void solveIter() = 0;
 
            //- Main control loop
            virtual void solve() = 0;
 
            //- Looper (advances iters, time step)
            virtual bool loop() = 0;
 
            //- Restore initial field values if necessary
            virtual void restoreInitValues();
 
            //- Functions to be called before loop
            virtual void preLoop();
 
            //- Functions to be called after loop
            virtual void postLoop();
 
            //- Update source term related to optimisationType
            void updateOptTypeSource
            (
                const autoPtr<volScalarField>& optSourcePtr
            );
 
            //- Main control loop.
            //  Gets a list of function pointers to be called at the end of
            //  each solver iteration
            template<class Type>
            void solveWithArgs
            (
                Type& type,
                List<void (Type::*)()>& funcs
            );
 
            //- Add source from optimisationType to underlaying equation
            template<class Type>
            void addOptimisationTypeSource(fvMatrix<Type>& matrix) const;
 
 
        // IO
 
            //- Required by regIOobject
            virtual bool writeData(Ostream&) const
            {
                return true;
            }
 
            //- Workaround for turbulent fields on multi-point runs
            virtual bool write(const bool valid = true) const
            {
                return false;
            }
 
            //- Workaround for turbulent fields on multi-point runs
            virtual bool writeNow() const
            {
                return false;
            }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
#   include "solverTemplates.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //