1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
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26 Foam::incompressible::RASModels::LRR
29 Launder, Reece and Rodi Reynolds-stress turbulence model for
32 The default model coefficients correspond to the following:
44 couplingFactor 0.0; // only for incompressible
51 \*---------------------------------------------------------------------------*/
58 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
62 namespace incompressible
67 /*---------------------------------------------------------------------------*\
69 \*---------------------------------------------------------------------------*/
79 dimensionedScalar Cmu_;
81 dimensionedScalar Clrr1_;
82 dimensionedScalar Clrr2_;
84 dimensionedScalar C1_;
85 dimensionedScalar C2_;
86 dimensionedScalar Cs_;
87 dimensionedScalar Ceps_;
88 dimensionedScalar sigmaEps_;
90 dimensionedScalar couplingFactor_;
95 volSymmTensorField R_;
97 volScalarField epsilon_;
103 //- Runtime type information
108 //- Construct from components
111 const volVectorField& U,
112 const surfaceScalarField& phi,
113 transportModel& transport
124 //- Return the turbulence viscosity
125 virtual tmp<volScalarField> nut() const
130 //- Return the effective diffusivity for R
131 tmp<volScalarField> DREff() const
133 return tmp<volScalarField>
135 new volScalarField("DREff", nut_ + nu())
139 //- Return the effective diffusivity for epsilon
140 tmp<volScalarField> DepsilonEff() const
142 return tmp<volScalarField>
144 new volScalarField("DepsilonEff", nut_/sigmaEps_ + nu())
148 //- Return the turbulence kinetic energy
149 virtual tmp<volScalarField> k() const
154 //- Return the turbulence kinetic energy dissipation rate
155 virtual tmp<volScalarField> epsilon() const
160 //- Return the Reynolds stress tensor
161 virtual tmp<volSymmTensorField> R() const
166 //- Return the effective stress tensor including the laminar stress
167 virtual tmp<volSymmTensorField> devReff() const;
169 //- Return the source term for the momentum equation
170 virtual tmp<fvVectorMatrix> divDevReff(volVectorField& U) const;
172 //- Solve the turbulence equations and correct the turbulence viscosity
173 virtual void correct();
175 //- Read RASProperties dictionary
180 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
182 } // End namespace RASModels
183 } // End namespace incompressible
184 } // End namespace Foam
186 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
190 // ************************************************************************* //