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.
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 the
13 Free Software Foundation; either version 2 of the License, or (at your
14 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, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 \*---------------------------------------------------------------------------*/
27 #include "oneEqEddy.H"
28 #include "addToRunTimeSelectionTable.H"
30 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
34 namespace incompressible
39 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
41 defineTypeNameAndDebug(oneEqEddy, 0);
42 addToRunTimeSelectionTable(LESModel, oneEqEddy, dictionary);
45 // * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
47 void oneEqEddy::updateSubGridScaleFields()
49 nuSgs_ = ck_*sqrt(k_)*delta();
50 nuSgs_.correctBoundaryConditions();
54 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
58 const volVectorField& U,
59 const surfaceScalarField& phi,
60 transportModel& transport
63 LESModel(typeName, U, phi, transport),
64 GenEddyVisc(U, phi, transport),
81 dimensioned<scalar>::lookupOrAddToDict
89 updateSubGridScaleFields();
95 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
97 void oneEqEddy::correct(const tmp<volTensorField>& gradU)
99 GenEddyVisc::correct(gradU);
101 volScalarField G = 2.0*nuSgs_*magSqr(symm(gradU));
106 + fvm::div(phi(), k_)
107 - fvm::laplacian(DkEff(), k_)
110 - fvm::Sp(ce_*sqrt(k_)/delta(), k_)
118 updateSubGridScaleFields();
122 bool oneEqEddy::read()
124 if (GenEddyVisc::read())
126 ck_.readIfPresent(coeffDict());
137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
139 } // End namespace LESModels
140 } // End namespace incompressible
141 } // End namespace Foam
143 // ************************************************************************* //