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TurbulenceModels: Updated documentation
This commit is contained in:
@ -2,7 +2,7 @@
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========= |
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / O peration |
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\\ / A nd | Copyright (C) 2014 OpenFOAM Foundation
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\\ / A nd | Copyright (C) 2014-2015 OpenFOAM Foundation
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||||||
\\/ M anipulation |
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\\/ M anipulation |
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||||||
-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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License
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License
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||||||
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|||||||
@ -2,7 +2,7 @@
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|||||||
========= |
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========= |
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||||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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||||||
\\ / O peration |
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\\ / O peration |
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||||||
\\ / A nd | Copyright (C) 2014 OpenFOAM Foundation
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\\ / A nd | Copyright (C) 2014-2015 OpenFOAM Foundation
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||||||
\\/ M anipulation |
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\\/ M anipulation |
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||||||
-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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License
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License
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||||||
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|||||||
@ -38,7 +38,7 @@ Description
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Physics of Fluids A, Vol. 4, No. 7, 1992, pp 1510-1520.
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Physics of Fluids A, Vol. 4, No. 7, 1992, pp 1510-1520.
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\endverbatim
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\endverbatim
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The default model coefficients correspond to the following:
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The default model coefficients are
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\verbatim
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\verbatim
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RNGkEpsilonCoeffs
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RNGkEpsilonCoeffs
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{
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{
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@ -33,16 +33,12 @@ Description
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References:
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References:
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\verbatim
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\verbatim
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"Turbulence Modeling for CFD"
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Wilcox, D. C. (1998).
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D. C. Wilcox,
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Turbulence modeling for CFD
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DCW Industries, Inc., La Canada,
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(Vol. 2, pp. 103-217). La Canada, CA: DCW industries.
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California, 1988.
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See also:
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http://www.cfd-online.com/Wiki/Wilcox's_k-omega_model
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\endverbatim
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\endverbatim
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The default model coefficients correspond to the following:
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The default model coefficients are
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\verbatim
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\verbatim
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kOmegaCoeffs
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kOmegaCoeffs
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{
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{
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@ -33,12 +33,13 @@ Description
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|
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Turbulence model described in:
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Turbulence model described in:
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\verbatim
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\verbatim
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D. Keith Walters, Davor Cokljat
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Walters, D. K., & Cokljat, D. (2008).
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"A Three-Equation Eddy-Viscosity Model for Reynold-Averaged
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A three-equation eddy-viscosity model for Reynolds-averaged
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Navier-Stokes Simulations of Transitional Flow"
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Navier–Stokes simulations of transitional flow.
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Journal of Fluids Engineering, 130(12), 121401.
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\endverbatim
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\endverbatim
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The default model coefficients correspond to the following:
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The default model coefficients are
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\verbatim
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\verbatim
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kkLOmegaCoeffs
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kkLOmegaCoeffs
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{
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{
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@ -53,17 +53,17 @@ Description
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|
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References:
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References:
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\verbatim
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\verbatim
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Lien F-S, Kalitzin G,
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Lien, F. S., & Kalitzin, G. (2001).
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"Computations of transonic flow with the v2-f turbulence model",
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Computations of transonic flow with the v2f turbulence model.
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Int. J. Heat Fluid Flow 22, 2001, pp 53-61
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International Journal of Heat and Fluid Flow, 22(1), 53-61.
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Davidson L, Nielsen P, Sveningsson A,
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Davidson, L., Nielsen, P., & Sveningsson, A. (2003).
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"Modifications of the v2-f model for computing the flow in a
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Modifications of the v2-f model for computing the flow in a
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3D wall jet",
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3D wall jet.
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Turbulence, Heat and Mass Transfer 4, 2003, pp 577-584
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Turbulence, Heat and Mass Transfer, 4, 577-584
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\endverbatim
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\endverbatim
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The default model coefficients are given as:
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The default model coefficients are
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\verbatim
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\verbatim
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v2fCoeffs
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v2fCoeffs
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{
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{
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@ -85,7 +85,7 @@ Note
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k variants (nutk...) for this case will not behave correctly.
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k variants (nutk...) for this case will not behave correctly.
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SeeAlso
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SeeAlso
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Foam::incompressible::RASModels::kEpsilon
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Foam::RASModels::kEpsilon
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Foam::kLowReWallFunctionFvPatchScalarField
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Foam::kLowReWallFunctionFvPatchScalarField
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Foam::epsilonLowReWallFunctionFvPatchScalarField
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Foam::epsilonLowReWallFunctionFvPatchScalarField
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Foam::v2WallFunctionFvPatchScalarField
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Foam::v2WallFunctionFvPatchScalarField
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@ -2,7 +2,7 @@
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========= |
|
========= |
|
||||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
\\ / O peration |
|
\\ / O peration |
|
||||||
\\ / A nd | Copyright (C) 2013-2014 OpenFOAM Foundation
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\\ / A nd | Copyright (C) 2013-2015 OpenFOAM Foundation
|
||||||
\\/ M anipulation |
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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License
|
License
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||||||
@ -33,15 +33,13 @@ Description
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|
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Reference:
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Reference:
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\verbatim
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\verbatim
|
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"One-equation sub-grid scale (SGS) modelling for Euler-Euler
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Niceno, B., Dhotre, M. T., & Deen, N. G. (2008).
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large eddy simulation (EELES) of dispersed bubbly flow"
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One-equation sub-grid scale (SGS) modelling for
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B. Niceno,
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Euler–Euler large eddy simulation (EELES) of dispersed bubbly flow.
|
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M.T. Dhotre,
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Chemical Engineering Science, 63(15), 3923-3931.
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N.G. Dee
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Chemical Engineering Science 63 (2008) pp. 3923-3931.
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\endverbatim
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\endverbatim
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The default model coefficients correspond to the following:
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The default model coefficients are:
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\verbatim
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\verbatim
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NicenoKEqnCoeffs
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NicenoKEqnCoeffs
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{
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{
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@ -2,7 +2,7 @@
|
|||||||
========= |
|
========= |
|
||||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
\\ / O peration |
|
\\ / O peration |
|
||||||
\\ / A nd | Copyright (C) 2013-2014 OpenFOAM Foundation
|
\\ / A nd | Copyright (C) 2013-2015 OpenFOAM Foundation
|
||||||
\\/ M anipulation |
|
\\/ M anipulation |
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
License
|
License
|
||||||
@ -32,15 +32,13 @@ Description
|
|||||||
|
|
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Reference:
|
Reference:
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\verbatim
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\verbatim
|
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"Numerical simulation of the dynamic flow behavior in a bubble column:
|
Zhang, D., Deen, N. G., & Kuipers, J. A. M. (2006).
|
||||||
A study of closures for turbulence and interface forces"
|
Numerical simulation of the dynamic flow behavior in a bubble column:
|
||||||
D. Zhang,
|
a study of closures for turbulence and interface forces.
|
||||||
N.G. Deen,
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Chemical Engineering Science, 61(23), 7593-7608.
|
||||||
J.A.M. Kuipers,
|
|
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Chemical Engineering Science 61 (2006) pp 7593-7608.
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\endverbatim
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\endverbatim
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|
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The default model coefficients correspond to the following:
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The default model coefficients are
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\verbatim
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\verbatim
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SmagorinskyZhangCoeffs
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SmagorinskyZhangCoeffs
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{
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{
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||||||
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@ -2,7 +2,7 @@
|
|||||||
========= |
|
========= |
|
||||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
\\ / O peration |
|
\\ / O peration |
|
||||||
\\ / A nd | Copyright (C) 2013-2014 OpenFOAM Foundation
|
\\ / A nd | Copyright (C) 2013-2015 OpenFOAM Foundation
|
||||||
\\/ M anipulation |
|
\\/ M anipulation |
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
License
|
License
|
||||||
@ -39,7 +39,7 @@ Description
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|||||||
This model is unpublished and is provided as a stable numerical framework
|
This model is unpublished and is provided as a stable numerical framework
|
||||||
on which a more physical model may be built.
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on which a more physical model may be built.
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||||||
|
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The default model coefficients correspond to the following:
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The default model coefficients are
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\verbatim
|
\verbatim
|
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continuousKEqnCoeffs
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continuousKEqnCoeffs
|
||||||
{
|
{
|
||||||
|
|||||||
@ -2,7 +2,7 @@
|
|||||||
========= |
|
========= |
|
||||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
\\ / O peration |
|
\\ / O peration |
|
||||||
\\ / A nd | Copyright (C) 2013-2014 OpenFOAM Foundation
|
\\ / A nd | Copyright (C) 2013-2015 OpenFOAM Foundation
|
||||||
\\/ M anipulation |
|
\\/ M anipulation |
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
License
|
License
|
||||||
@ -32,13 +32,12 @@ Description
|
|||||||
|
|
||||||
Reference:
|
Reference:
|
||||||
\verbatim
|
\verbatim
|
||||||
"The simulation of multidimensional multiphase flows",
|
Lahey Jr, R. T. (2005).
|
||||||
Lahey R.T.,
|
The simulation of multidimensional multiphase flows.
|
||||||
Nucl. Eng. & Design
|
Nuclear Engineering and Design, 235(10), 1043-1060.
|
||||||
2005 (235) pp.1043-1060.
|
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
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The default model coefficients correspond to the following:
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The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
LaheyKEpsilonCoeffs
|
LaheyKEpsilonCoeffs
|
||||||
{
|
{
|
||||||
|
|||||||
@ -2,7 +2,7 @@
|
|||||||
========= |
|
========= |
|
||||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
\\ / O peration |
|
\\ / O peration |
|
||||||
\\ / A nd | Copyright (C) 2013-2014 OpenFOAM Foundation
|
\\ / A nd | Copyright (C) 2013-2015 OpenFOAM Foundation
|
||||||
\\/ M anipulation |
|
\\/ M anipulation |
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
License
|
License
|
||||||
@ -40,7 +40,7 @@ Description
|
|||||||
This model is unpublished and is provided as a stable numerical framework
|
This model is unpublished and is provided as a stable numerical framework
|
||||||
on which a more physical model may be built.
|
on which a more physical model may be built.
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
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\verbatim
|
\verbatim
|
||||||
continuousGasKEpsilonCoeffs
|
continuousGasKEpsilonCoeffs
|
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{
|
{
|
||||||
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|||||||
@ -2,7 +2,7 @@
|
|||||||
========= |
|
========= |
|
||||||
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||||||
\\ / O peration |
|
\\ / O peration |
|
||||||
\\ / A nd | Copyright (C) 2013-2014 OpenFOAM Foundation
|
\\ / A nd | Copyright (C) 2013-2015 OpenFOAM Foundation
|
||||||
\\/ M anipulation |
|
\\/ M anipulation |
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
License
|
License
|
||||||
@ -32,21 +32,20 @@ Description
|
|||||||
|
|
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The basic structure of the model is based on:
|
The basic structure of the model is based on:
|
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\verbatim
|
\verbatim
|
||||||
"Modelling of dispersed bubble and droplet ow at high phase fractions"
|
Behzadi, A., Issa, R. I., & Rusche, H. (2004).
|
||||||
A. Behzadi, R.I. Issa , H. Rusche,
|
Modelling of dispersed bubble and droplet flow at high phase fractions.
|
||||||
Chemical Engineering Science (59) 2004 pp.759-770.
|
Chemical Engineering Science, 59(4), 759-770.
|
||||||
\endverbatim
|
\endverbatim
|
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|
|
||||||
but an effective density for the gas is used in the averaging and an
|
but an effective density for the gas is used in the averaging and an
|
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alternative model for bubble-generated turbulence from:
|
alternative model for bubble-generated turbulence from:
|
||||||
\verbatim
|
\verbatim
|
||||||
"The simulation of multidimensional multiphase flows",
|
Lahey Jr, R. T. (2005).
|
||||||
Lahey R.T.,
|
The simulation of multidimensional multiphase flows.
|
||||||
Nucl. Eng. & Design
|
Nuclear Engineering and Design, 235(10), 1043-1060.
|
||||||
(235) 2005 pp.1043-1060.
|
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
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mixtureKEpsilonCoeffs
|
mixtureKEpsilonCoeffs
|
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{
|
{
|
||||||
|
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@ -30,11 +30,19 @@ Group
|
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Description
|
Description
|
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The Smagorinsky SGS model.
|
The Smagorinsky SGS model.
|
||||||
|
|
||||||
Algebraic eddy viscosity SGS model founded on the assumption that
|
Reference:
|
||||||
local equilibrium prevails.
|
|
||||||
Thus,
|
|
||||||
\verbatim
|
\verbatim
|
||||||
|
Smagorinsky, J. (1963).
|
||||||
|
General circulation experiments with the primitive equations: I.
|
||||||
|
The basic experiment*.
|
||||||
|
Monthly weather review, 91(3), 99-164.
|
||||||
|
\endverbatim
|
||||||
|
|
||||||
|
The form of the Smagorinsky model implemented is obtained from the
|
||||||
|
k-equation model assuming local equilibrium which provides estimates of both
|
||||||
|
k and epsilon separate from the sub-grid scale viscosity:
|
||||||
|
|
||||||
|
\verbatim
|
||||||
B = 2/3*k*I - 2*nuSgs*dev(D)
|
B = 2/3*k*I - 2*nuSgs*dev(D)
|
||||||
|
|
||||||
where
|
where
|
||||||
@ -44,7 +52,7 @@ Description
|
|||||||
nuSgs = Ck*sqrt(k)*delta
|
nuSgs = Ck*sqrt(k)*delta
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
SmagorinskyCoeffs
|
SmagorinskyCoeffs
|
||||||
{
|
{
|
||||||
@ -53,6 +61,9 @@ Description
|
|||||||
}
|
}
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
|
SeeAlso
|
||||||
|
Foam::LESModels::kEqn
|
||||||
|
|
||||||
SourceFiles
|
SourceFiles
|
||||||
Smagorinsky.C
|
Smagorinsky.C
|
||||||
|
|
||||||
|
|||||||
@ -38,16 +38,19 @@ Description
|
|||||||
Flow, Turbulence and Combustion, 62(3), 183-200.
|
Flow, Turbulence and Combustion, 62(3), 183-200.
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
WALECoeffs
|
WALECoeffs
|
||||||
{
|
{
|
||||||
Ck 0.094;
|
Ck 0.094;
|
||||||
Ce 1.048;
|
Ce 1.048;e
|
||||||
Cw 0.325;
|
Cw 0.325;
|
||||||
}
|
}
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
|
SeeAlso
|
||||||
|
Foam::LESModels::Smagorinsky
|
||||||
|
|
||||||
SourceFiles
|
SourceFiles
|
||||||
WALE.C
|
WALE.C
|
||||||
|
|
||||||
|
|||||||
@ -31,24 +31,17 @@ Description
|
|||||||
One Equation Eddy Viscosity Model
|
One Equation Eddy Viscosity Model
|
||||||
|
|
||||||
Eddy viscosity SGS model using a modeled balance equation to simulate the
|
Eddy viscosity SGS model using a modeled balance equation to simulate the
|
||||||
behaviour of k, hence,
|
behaviour of k.
|
||||||
|
|
||||||
|
Reference:
|
||||||
\verbatim
|
\verbatim
|
||||||
d/dt(rho*k) + div(rho*U*k) - div(rho*nuEff*grad(k))
|
Yoshizawa, A. (1986).
|
||||||
=
|
Statistical theory for compressible turbulent shear flows,
|
||||||
-rho*D:B - Ce*rho*k^(3/2)/delta
|
with the application to subgrid modeling.
|
||||||
|
Physics of Fluids (1958-1988), 29(7), 2152-2164.
|
||||||
and
|
|
||||||
|
|
||||||
B = 2/3*k*I - 2*nuSgs*dev(D)
|
|
||||||
|
|
||||||
where
|
|
||||||
|
|
||||||
D = symm(grad(U));
|
|
||||||
nuSgs = Ck*sqrt(k)*delta
|
|
||||||
nuEff = nuSgs + nu
|
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
kEqnCoeffs
|
kEqnCoeffs
|
||||||
{
|
{
|
||||||
|
|||||||
@ -45,7 +45,7 @@ Description
|
|||||||
Journal of Energy, 7(4), 345-353.
|
Journal of Energy, 7(4), 345-353.
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
LaunderSharmaKECoeffs
|
LaunderSharmaKECoeffs
|
||||||
{
|
{
|
||||||
|
|||||||
@ -33,7 +33,7 @@ Description
|
|||||||
|
|
||||||
Reference:
|
Reference:
|
||||||
\verbatim
|
\verbatim
|
||||||
Yakhot, V. S. A. S. T. B. C. G., Orszag, S. A., Thangam, S.,
|
Yakhot, V., Orszag, S. A., Thangam, S.,
|
||||||
Gatski, T. B., & Speziale, C. G. (1992).
|
Gatski, T. B., & Speziale, C. G. (1992).
|
||||||
Development of turbulence models for shear flows
|
Development of turbulence models for shear flows
|
||||||
by a double expansion technique.
|
by a double expansion technique.
|
||||||
@ -45,7 +45,7 @@ Description
|
|||||||
Journal of Energy, 7(4), 345-353.
|
Journal of Energy, 7(4), 345-353.
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
RNGkEpsilonCoeffs
|
RNGkEpsilonCoeffs
|
||||||
{
|
{
|
||||||
|
|||||||
@ -48,7 +48,7 @@ Description
|
|||||||
is implemented in which Stilda is clipped at Cs*Omega with the default value
|
is implemented in which Stilda is clipped at Cs*Omega with the default value
|
||||||
of Cs = 0.3.
|
of Cs = 0.3.
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
SpalartAllmarasCoeffs
|
SpalartAllmarasCoeffs
|
||||||
{
|
{
|
||||||
|
|||||||
@ -48,7 +48,7 @@ Description
|
|||||||
Journal of Energy, 7(4), 345-353.
|
Journal of Energy, 7(4), 345-353.
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
kEpsilonCoeffs
|
kEpsilonCoeffs
|
||||||
{
|
{
|
||||||
|
|||||||
@ -65,7 +65,7 @@ Description
|
|||||||
uncertainty in their origin, range of applicability and that if y+ becomes
|
uncertainty in their origin, range of applicability and that if y+ becomes
|
||||||
sufficiently small blending u_tau in this manner clearly becomes nonsense.
|
sufficiently small blending u_tau in this manner clearly becomes nonsense.
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
kOmegaSSTCoeffs
|
kOmegaSSTCoeffs
|
||||||
{
|
{
|
||||||
|
|||||||
@ -31,18 +31,20 @@ Description
|
|||||||
Realizable k-epsilon turbulence model for incompressible and compressible
|
Realizable k-epsilon turbulence model for incompressible and compressible
|
||||||
flows.
|
flows.
|
||||||
|
|
||||||
Model described in the paper:
|
References:
|
||||||
\verbatim
|
\verbatim
|
||||||
"A New k-epsilon Eddy Viscosity Model for High Reynolds Number
|
Shih, T. H., Liou, W. W., Shabbir, A., Yang, Z., & Zhu, J. (1994).
|
||||||
Turbulent Flows"
|
A new k-epsilon eddy viscosity model for high Reynolds number
|
||||||
|
turbulent flows: Model development and validation.
|
||||||
|
NASA STI/Recon Technical Report N, 95, 11442.
|
||||||
|
|
||||||
Tsan-Hsing Shih, William W. Liou, Aamir Shabbir, Zhigang Tang and
|
Shih, T. H., Liou, W. W., Shabbir, A., Yang, Z., & Zhu, J. (1995).
|
||||||
Jiang Zhu
|
A New k-epsilon Eddy Viscosity Model for High Reynolds Number
|
||||||
|
Turbulent Flows.
|
||||||
Computers and Fluids Vol. 24, No. 3, pp. 227-238, 1995
|
Computers and Fluids, 24(3), 227-238.
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
The default model coefficients correspond to the following:
|
The default model coefficients are
|
||||||
\verbatim
|
\verbatim
|
||||||
realizableKECoeffs
|
realizableKECoeffs
|
||||||
{
|
{
|
||||||
|
|||||||
Reference in New Issue
Block a user