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 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
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19 General Public License for more details.
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25 Foam::incompressible::RASModels::LienCubicKE
28 Lien cubic non-linear k-epsilon turbulence model for incompressible flows.
33 \*---------------------------------------------------------------------------*/
40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
44 namespace incompressible
49 /*---------------------------------------------------------------------------*\
50 Class LienCubicKE Declaration
51 \*---------------------------------------------------------------------------*/
61 dimensionedScalar C1_;
62 dimensionedScalar C2_;
63 dimensionedScalar sigmak_;
64 dimensionedScalar sigmaEps_;
65 dimensionedScalar A1_;
66 dimensionedScalar A2_;
67 dimensionedScalar Ctau1_;
68 dimensionedScalar Ctau2_;
69 dimensionedScalar Ctau3_;
70 dimensionedScalar alphaKsi_;
76 volScalarField epsilon_;
78 volTensorField gradU_;
83 volScalarField C5viscosity_;
87 volSymmTensorField nonlinearStress_;
92 //- Runtime type information
93 TypeName("LienCubicKE");
97 //- Construct from components
100 const volVectorField& U,
101 const surfaceScalarField& phi,
102 transportModel& transport
108 virtual ~LienCubicKE()
114 //- Return the turbulence viscosity
115 virtual tmp<volScalarField> nut() const
120 //- Return the effective diffusivity for k
121 tmp<volScalarField> DkEff() const
123 return tmp<volScalarField>
125 new volScalarField("DkEff", nut_/sigmak_ + nu())
129 //- Return the effective diffusivity for epsilon
130 tmp<volScalarField> DepsilonEff() const
132 return tmp<volScalarField>
134 new volScalarField("DepsilonEff", nut_/sigmaEps_ + nu())
138 //- Return the turbulence kinetic energy
139 virtual tmp<volScalarField> k() const
144 //- Return the turbulence kinetic energy dissipation rate
145 virtual tmp<volScalarField> epsilon() const
150 //- Return the Reynolds stress tensor
151 virtual tmp<volSymmTensorField> R() const;
153 //- Return the effective stress tensor including the laminar stress
154 virtual tmp<volSymmTensorField> devReff() const;
156 //- Return the source term for the momentum equation
157 virtual tmp<fvVectorMatrix> divDevReff(volVectorField& U) const;
159 //- Solve the turbulence equations and correct the turbulence viscosity
160 virtual void correct();
162 //- Read RASProperties dictionary
167 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
169 } // End namespace RASModels
170 } // End namespace incompressible
171 } // End namespace Foam
173 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
177 // ************************************************************************* //