1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
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25 Foam::incompressible::RASModels::LienLeschzinerLowRe
28 Lien and Leschziner low-Reynolds k-epsilon turbulence model for
34 \*---------------------------------------------------------------------------*/
36 #ifndef LienLeschzinerLowRe_H
37 #define LienLeschzinerLowRe_H
42 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
46 namespace incompressible
51 /*---------------------------------------------------------------------------*\
52 Class LienLeschzinerLowRe Declaration
53 \*---------------------------------------------------------------------------*/
55 class LienLeschzinerLowRe
63 dimensionedScalar C1_;
64 dimensionedScalar C2_;
65 dimensionedScalar sigmak_;
66 dimensionedScalar sigmaEps_;
67 dimensionedScalar Cmu_;
68 dimensionedScalar kappa_;
70 dimensionedScalar Am_;
71 dimensionedScalar Aepsilon_;
72 dimensionedScalar Amu_;
78 volScalarField epsilon_;
82 volScalarField yStar_;
89 TypeName("LienLeschzinerLowRe");
93 //- Construct from components
96 const volVectorField& U,
97 const surfaceScalarField& phi,
98 transportModel& transport
104 virtual ~LienLeschzinerLowRe()
110 //- Return the turbulence viscosity
111 virtual tmp<volScalarField> nut() const
116 //- Return the effective diffusivity for k
117 tmp<volScalarField> DkEff() const
119 return tmp<volScalarField>
121 new volScalarField("DkEff", nut_/sigmak_ + nu())
125 //- Return the effective diffusivity for epsilon
126 tmp<volScalarField> DepsilonEff() const
128 return tmp<volScalarField>
130 new volScalarField("DepsilonEff", nut_/sigmaEps_ + nu())
134 //- Return the turbulence kinetic energy
135 virtual tmp<volScalarField> k() const
140 //- Return the turbulence kinetic energy dissipation rate
141 virtual tmp<volScalarField> epsilon() const
146 //- Return the Reynolds stress tensor
147 virtual tmp<volSymmTensorField> R() const;
149 //- Return the effective stress tensor including the laminar stress
150 virtual tmp<volSymmTensorField> devReff() const;
152 //- Return the source term for the momentum equation
153 virtual tmp<fvVectorMatrix> divDevReff(volVectorField& U) const;
155 //- Solve the turbulence equations and correct the turbulence viscosity
156 virtual void correct();
158 //- Read RASProperties dictionary
163 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
165 } // End namespace RASModels
166 } // End namespace incompressible
167 } // End namespace Foam
169 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
173 // ************************************************************************* //