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src
turbulenceModels
incompressible
LES
GenEddyVisc
GenEddyVisc.H
Go to the documentation of this file.
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::incompressible::LESModels::GenEddyVisc
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Description
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General base class for all incompressible models that can be implemented
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as an eddy viscosity, i.e. algebraic and one-equation models.
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Contains fields for k (SGS turbulent kinetic energy), gamma
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(modelled viscosity) and epsilon (SGS dissipation).
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SourceFiles
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GenEddyVisc.C
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\*---------------------------------------------------------------------------*/
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#ifndef GenEddyVisc_H
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#define GenEddyVisc_H
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#include <
incompressibleLESModels/LESModel.H
>
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace
Foam
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{
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namespace
incompressible
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{
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namespace
LESModels
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{
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/*---------------------------------------------------------------------------*\
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Class GenEddyVisc Declaration
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\*---------------------------------------------------------------------------*/
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class
GenEddyVisc
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:
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virtual
public
LESModel
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{
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// Private Member Functions
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// Disallow default bitwise copy construct and assignment
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GenEddyVisc
(
const
GenEddyVisc
&);
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GenEddyVisc
& operator=(
const
GenEddyVisc
&);
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protected
:
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dimensionedScalar
ce_
;
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volScalarField
nuSgs_
;
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public
:
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// Constructors
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//- Construct from components
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GenEddyVisc
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(
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const
volVectorField
&
U
,
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const
surfaceScalarField
&
phi
,
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transportModel
&
transport
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);
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//- Destructor
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virtual
~GenEddyVisc
()
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{}
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// Member Functions
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//- Return SGS kinetic energy
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virtual
tmp<volScalarField>
k
()
const
= 0;
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//- Return sub-grid disipation rate
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virtual
tmp<volScalarField>
epsilon
()
const
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{
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return
ce_
*
k
()*
sqrt
(
k
())/
delta
();
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}
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//- Return the SGS viscosity.
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virtual
tmp<volScalarField>
nuSgs
()
const
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{
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return
nuSgs_
;
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}
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//- Return the sub-grid stress tensor.
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virtual
tmp<volSymmTensorField>
B
()
const
;
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//- Return the effective sub-grid turbulence stress tensor
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// including the laminar stress
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virtual
tmp<volSymmTensorField>
devBeff
()
const
;
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//- Return the deviatoric part of the effective sub-grid
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// turbulence stress tensor including the laminar stress
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virtual
tmp<fvVectorMatrix>
divDevBeff
(
volVectorField
&
U
)
const
;
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//- Correct Eddy-Viscosity and related properties
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virtual
void
correct
(
const
tmp<volTensorField>
& gradU);
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//- Read LESProperties dictionary
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virtual
bool
read
();
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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}
// End namespace LESModels
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}
// End namespace incompressible
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}
// End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************ vim: set sw=4 sts=4 et: ************************ //