constantViscosityModel.H

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License
    This file is part of OpenFOAM.
 
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    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.
 
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Class
    Foam::viscosityModels::constant
 
Description
    A uniform constant Newtonian viscosity model.
 
SourceFiles
    constantViscosityModel.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef constantViscosityModel_H
#define constantViscosityModel_H
 
#include "viscosityModel.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace viscosityModels
{
 
/*---------------------------------------------------------------------------*\
                          Class constant Declaration
\*---------------------------------------------------------------------------*/
 
class constant
:
    public viscosityModel
{
    // Private Data
 
        //- Uniform constant Newtonian viscosity value
        dimensionedScalar nu0_;
 
        //- Uniform constant Newtonian viscosity field
        volScalarField nu_;
 
 
public:
 
    //- Runtime type information
    TypeName("constant");
 
 
    // Constructors
 
        //- Construct from components
        constant(const fvMesh& mesh, const word& group);
 
 
    //- Destructor
    virtual ~constant()
    {}
 
 
    // Member Functions
 
        //- Return the laminar viscosity
        virtual tmp<volScalarField> nu() const
        {
            return nu_;
        }
 
        //- Return the laminar viscosity for patch
        virtual tmp<scalarField> nu(const label patchi) const
        {
            return nu_.boundaryField()[patchi];
        }
 
        //- Correct the laminar viscosity (not appropriate, viscosity constant)
        virtual void correct()
        {}
 
        //- Read transportProperties dictionary
        virtual bool read();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace viscosityModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //