1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2004-2010 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation, either version 3 of the License, or
14 (at your option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "scaleSimilarity.H"
28 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
32 namespace incompressible
37 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
39 defineTypeNameAndDebug(scaleSimilarity, 0);
41 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
43 scaleSimilarity::scaleSimilarity
45 const volVectorField& U,
46 const surfaceScalarField& phi,
47 transportModel& transport,
48 const word& turbulenceModelName,
52 LESModel(modelName, U, phi, transport, turbulenceModelName),
53 filterPtr_(LESfilter::New(U.mesh(), coeffDict())),
60 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
62 tmp<volScalarField> scaleSimilarity::k() const
64 return(0.5*(filter_(magSqr(U())) - magSqr(filter_(U()))));
68 tmp<volScalarField> scaleSimilarity::epsilon() const
70 tmp<volSymmTensorField> D = symm(fvc::grad(U()));
72 return((filter_(sqr(U())) - sqr(filter_(U()))) && D);
76 tmp<volSymmTensorField> scaleSimilarity::B() const
78 return(filter_(sqr(U())) - sqr(filter_(U())));
82 tmp<volSymmTensorField> scaleSimilarity::devBeff() const
88 tmp<fvVectorMatrix> scaleSimilarity::divDevBeff(volVectorField& U) const
90 return fvm::Su(fvc::div(devBeff()), U);
94 void scaleSimilarity::correct(const tmp<volTensorField>&)
98 bool scaleSimilarity::read()
100 if (LESModel::read())
102 filter_.read(coeffDict());
113 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
115 } // End namespace LESModels
116 } // End namespace incompressible
117 } // End namespace Foam
119 // ************************************************************************* //