pressureControl.H

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    Copyright (C) 2017 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    the Free Software Foundation, either version 3 of the License, or
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Class
    Foam::pressureControl
 
Description
    Provides controls for the pressure reference is closed-volume simulations
    and a general method for limiting the pressure during the startup of
    steady-state simulations.
 
SourceFiles
    pressureControlI.H
    pressureControl.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef pressureControl_H
#define pressureControl_H
 
#include "dimensionedScalar.H"
#include "volFieldsFwd.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                         Class pressureControl Declaration
\*---------------------------------------------------------------------------*/
 
class pressureControl
{
    // Private data
 
        //- Optional cell in which the reference pressure is set
        label refCell_;
 
        //- Optional pressure reference level
        scalar refValue_;
 
        //- Pressure lower-limit
        dimensionedScalar pMax_;
 
        //- Pressure upper-limit
        dimensionedScalar pMin_;
 
        //- Pressure lower-limit
        bool limitMaxP_;
 
        //- Pressure upper-limit
        bool limitMinP_;
 
 
public:
 
    // Constructors
 
        //- Construct from the SIMPLE/PIMPLE sub-dictionary
        pressureControl
        (
            const volScalarField& p,
            const volScalarField& rho,
            const dictionary& dict,
            const bool pRefRequired = true
        );
 
 
    // Member Functions
 
        //- Return the cell in which the reference pressure is set
        inline label refCell() const;
 
        //- Return the pressure reference level
        inline scalar refValue() const;
 
        //- Limit the pressure if necessary and return true if so
        bool limit(volScalarField& p) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "pressureControlI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //