1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2004-2010 OpenCFD Ltd.
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25 Foam::viscosityModels::BirdCarreau
28 An incompressible Bird-Carreau non-Newtonian viscosity model.
33 \*---------------------------------------------------------------------------*/
38 #include "viscosityModel.H"
39 #include "dimensionedScalar.H"
40 #include "volFields.H"
42 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
46 namespace viscosityModels
49 /*---------------------------------------------------------------------------*\
50 Class BirdCarreau Declaration
51 \*---------------------------------------------------------------------------*/
59 dictionary BirdCarreauCoeffs_;
61 dimensionedScalar nu0_;
62 dimensionedScalar nuInf_;
69 // Private Member Functions
71 //- Calculate and return the laminar viscosity
72 tmp<volScalarField> calcNu() const;
77 //- Runtime type information
78 TypeName("BirdCarreau");
83 //- construct from components
87 const dictionary& viscosityProperties,
88 const volVectorField& U,
89 const surfaceScalarField& phi
100 //- Return the laminar viscosity
101 tmp<volScalarField> nu() const
106 //- Correct the laminar viscosity
112 //- Read transportProperties dictionary
113 bool read(const dictionary& viscosityProperties);
117 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
119 } // End namespace viscosityModels
120 } // End namespace Foam
122 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
126 // ************************************************************************* //