/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2018-2026 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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::pisoControl

Description
    Piso control class. Provides time-loop and piso-loop control methods. No
    convergence checking is done.

SourceFiles
    pisoControlI.H
    pisoControl.C

\*---------------------------------------------------------------------------*/

#ifndef pisoControl_H
#define pisoControl_H

#include "fluidSolutionControl.H"

#define PISO_CONTROL

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                         Class pisoControl Declaration
\*---------------------------------------------------------------------------*/

class pisoControl
:
    public fluidSolutionControl
{
protected:

    // Protected data

        //- Maximum number of piso correctors
        label nCorrPiso_;

        //- Current piso corrector
        label corrPiso_;


    // Protected Member Functions

        //- Read controls
        virtual bool read();


public:

    // Static Data Members

        //- Run-time type information
        TypeName("pisoControl");


    // Constructors

        //- Construct from a mesh and the name of the algorithm
        pisoControl(const fvMesh& mesh, const word& algorithmName="PISO");


    //- Destructor
    virtual ~pisoControl();


    // Member Functions

        // Access

            //- Maximum number of piso correctors
            inline label nCorrPiso() const;

            //- Flag to indicate any piso iteration
            inline bool anyPisoIter() const;

            //- Flag to indicate the first piso iteration
            inline bool firstPisoIter() const;

            //- Flag to indicate the last piso iteration
            inline bool finalPisoIter() const;

            //- Flag to indicate the last inner iteration (last piso and last
            //  non-orthogonal)
            inline bool finalInnerIter() const;

            //- Flag to indicate whether in final state
            bool isFinal(const bool finalIter) const;


        // Evolution

            //- Piso loop within outer loop
            bool correct(const bool finalIter = false);

            //- Non-orthogonal corrector loop
            bool correctNonOrthogonal(const bool finalIter = true);

            //- Time run loop
            bool run(Time& time);

            //- Time loop loop
            bool loop(Time& time);
};


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

} // End namespace Foam

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

#include "pisoControlI.H"

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

#endif

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