convergenceControl.H

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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
    (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::convergenceControl
 
Description
    Convergence control class. Provides methods to check the convergence of the
    time loop against an absolute residual tolerance.
 
SourceFiles
    convergenceControl.C
    convergenceControlTemplates.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef convergenceControl_H
#define convergenceControl_H
 
#include "fvMesh.H"
#include "solutionControl.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                     Class convergenceControl Declaration
\*---------------------------------------------------------------------------*/
 
class convergenceControl
{
public:
 
    //- Classes
 
        //- Residual data structure
        struct residualData
        {
            wordRe name;
            scalar absTol;
        };
 
        //- Convergence data structure
        struct convergenceData
        {
            bool checked;
            bool satisfied;
        };
 
 
    // Static Functions
 
        //- Get the list of names of the fields
        //  for which residual data is available
        static DynamicList<word> getFieldNames(const fvMesh& mesh);
 
        //- Get the initial residuals for the first and the i-th solves in this
        //  time-step
        static void getInitialResiduals
        (
            const fvMesh& mesh,
            const word& fieldName,
            const label solvei,
            scalar& r0,
            scalar& r
        );
 
 
    // Static Template Functions
 
        //- Return the index of the named field in residual control data, or -1
        //  if not present
        template<class ResidualData>
        static label residualControlIndex
        (
            const word& fieldName,
            const List<ResidualData>& residualControl,
            const bool useRegEx=true
        );
 
        //- Append the of names of the fields of this Type to the given list
        template<class Type>
        static void getFieldTypeNames
        (
            const fvMesh& mesh,
            DynamicList<word>& fieldNames
        );
 
        //- Get the initial residuals for the first and the i-th solves in this
        //  time-step
        template<class Type>
        static void getInitialTypeResiduals
        (
            const fvMesh& mesh,
            const word& fieldName,
            const label solvei,
            scalar& r0,
            scalar& r
        );
 
 
protected:
 
    // Protected data
 
        //- Reference to the solution control
        const solutionControl& control_;
 
 
public:
 
    // Static Data Members
 
        //- Run-time type information
        TypeName("convergenceControl");
 
 
    // Constructors
 
        //- Construct from a solution control
        convergenceControl(const solutionControl& control);
 
 
    //- Destructor
    virtual ~convergenceControl();
 
 
    // Member Functions
 
        // Evolution
 
            //- Return true if residual controls are present
            virtual bool hasResidualControls() const = 0;
 
            //- Return true if all convergence checks are satisfied
            virtual convergenceData criteriaSatisfied() const = 0;
 
            //- Flag to indicate whether convergence has been reached
            bool converged();
 
            //- End the run if convergence has been reached
            bool endIfConverged(Time& time);
 
 
    // Member Operators
 
        //- Disallow default bitwise assignment
        void operator=(const convergenceControl&) = delete;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "convergenceControlTemplates.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //