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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2023-2024 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::fv::bound

Description
    Bound the specified scalar field where it is below the specified minimum.

    Where the field is unbounded it is set to the maximum of the average of
    the neighbouring cell values and the specified minimum.

Usage
    Example usage:
    \verbatim
    limitp
    {
        type            bound;

        field           p;

        min             100;
    }
    \endverbatim

SourceFiles
    bound.C

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

#ifndef boundConstraint_H
#define boundConstraint_H

#include "fvConstraint.H"
#include "dimensionedScalar.H"

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

namespace Foam
{
namespace fv
{

/*---------------------------------------------------------------------------*\
                      Class bound Declaration
\*---------------------------------------------------------------------------*/

class bound
:
    public fvConstraint
{
    // Private data

        //- Field name
        word fieldName_;

        //- Minimum value
        scalar min_;


    // Private Member Functions

        //- Non-virtual read
        void readCoeffs(const dictionary& dict);


public:

    //- Runtime type information
    TypeName("bound");


    // Constructors

        //- Construct from components
        bound
        (
            const word& name,
            const word& modelType,
            const fvMesh& mesh,
            const dictionary& dict
        );

        //- Disallow default bitwise copy construction
        bound(const bound&) = delete;


    //- Destructor
    virtual ~bound()
    {}


    // Member Functions

        //- Return the list of fields constrained by the fvConstraint
        virtual wordList constrainedFields() const;

        //- Constrain the pressure field
        virtual bool constrain(volScalarField& p) const;

        //- Update for mesh motion
        virtual bool movePoints();

        //- Update topology using the given map
        virtual void topoChange(const polyTopoChangeMap&);

        //- Update from another mesh using the given map
        virtual void mapMesh(const polyMeshMap&);

        //- Redistribute or update using the given distribution map
        virtual void distribute(const polyDistributionMap&);

        //- Read dictionary
        virtual bool read(const dictionary& dict);


    // Member Operators

        //- Disallow default bitwise assignment
        void operator=(const bound&) = delete;
};


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

} // End namespace fv
} // End namespace Foam

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

#endif

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