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src
turbulenceModels
incompressible
LES
scaleSimilarity
scaleSimilarity.C
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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\*---------------------------------------------------------------------------*/
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#include <
incompressibleLESModels/scaleSimilarity.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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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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defineTypeNameAndDebug
(scaleSimilarity, 0);
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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scaleSimilarity::scaleSimilarity
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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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:
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LESModel(typeName, U, phi, transport),
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filterPtr_(
LESfilter::New
(U.
mesh
(), coeffDict())),
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filter_(filterPtr_())
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{
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printCoeffs();
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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tmp<volScalarField>
scaleSimilarity::k
()
const
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{
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return
(0.5*(filter_(
magSqr
(
U
())) -
magSqr
(filter_(
U
()))));
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}
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tmp<volScalarField>
scaleSimilarity::epsilon
()
const
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{
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volSymmTensorField
D =
symm
(
fvc::grad
(
U
()));
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return
((filter_(
sqr
(
U
())) -
sqr
(filter_(
U
()))) && D);
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}
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tmp<volSymmTensorField>
scaleSimilarity::B
()
const
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{
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return
(filter_(
sqr
(
U
())) -
sqr
(filter_(
U
())));
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}
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tmp<volSymmTensorField>
scaleSimilarity::devBeff
()
const
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{
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return
dev
(
B
());
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}
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tmp<fvVectorMatrix>
scaleSimilarity::divDevBeff
(
volVectorField
& U)
const
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{
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return
fvm::Su
(
fvc::div
(
devBeff
()), U);
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}
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void
scaleSimilarity::correct
(
const
tmp<volTensorField>
&)
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{}
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bool
scaleSimilarity::read
()
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{
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if
(LESModel::read())
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{
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filter_.
read
(
coeffDict
());
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return
true
;
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}
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else
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{
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return
false
;
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}
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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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// ************************ vim: set sw=4 sts=4 et: ************************ //