LES with chtMultiRegionFoam

ignacio · April 24, 2013, 10:14

Hello all,

It seems that OpenFOAM 2.2 does not support LES calculations for the chtMultiRegionFoam solver.

Any idea of how to include LES in the solver?

Thanks for the help =)

ignacio · April 24, 2013, 11:39

This is the error message that I get when I run the case

[2] --> FOAM FATAL ERROR:
[2] Unknown turbulenceModel type LESModel

Valid turbulenceModel types:

2
(
RASModel
laminar
)
[2]
[2]
[2] From function turbulenceModel::New(const volScalarField&, const volVectorField&, const surfaceScalarField&, fluidThermo&, const word&)
[2] in file turbulenceModel.C at line 118.
[2]
FOAM parallel run exiting
[2]

Haces · April 25, 2013, 05:22

Hello Ignacio,

I guess you should modify the solver at Make > options and include the LES turbulence model in the EXE_LIBS section.

But you also need to include the boundary conditions, like muSgsUSpalginWallFunction. I don't know how can that be included.

Does anybody know how to do it?

Hope this helps

Haces · April 25, 2013, 08:29

Well,for the boundary conditions you can use the same ones as in the RANS model:
http://www.openfoam.org/version2.2.0...-modelling.php

ignacio · April 25, 2013, 08:32

Ok, I finally managed to run the LES.
Thanks a lot for the info David!

ivfuente · October 2, 2013, 09:04

Hi Ignacio

Can you be more specific about how to manage to run the LES in chtMultiRegionFoam in OF2.2.x?
Do you know how it works in OF2.1.x?

David brings some lights, but i don't understand ver well.

Thanks

April 24, 2013, 10:14	LES with chtMultiRegionFoam	#1
ignacio Member Ignacio Join Date: Jan 2013 Posts: 33 Rep Power: 13	Hello all, It seems that OpenFOAM 2.2 does not support LES calculations for the chtMultiRegionFoam solver. Any idea of how to include LES in the solver? Thanks for the help =)

April 25, 2013, 05:22		#3
Haces New Member David Haces Join Date: Mar 2013 Posts: 28 Rep Power: 13	Hello Ignacio, I guess you should modify the solver at Make > options and include the LES turbulence model in the EXE_LIBS section. But you also need to include the boundary conditions, like muSgsUSpalginWallFunction. I don't know how can that be included. Does anybody know how to do it? Hope this helps ignacio likes this.

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April 24, 2013, 11:39		#2
ignacio Member Ignacio Join Date: Jan 2013 Posts: 33 Rep Power: 13	This is the error message that I get when I run the case [2] --> FOAM FATAL ERROR: [2] Unknown turbulenceModel type LESModel Valid turbulenceModel types: 2 ( RASModel laminar ) [2] [2] [2] From function turbulenceModel::New(const volScalarField&, const volVectorField&, const surfaceScalarField&, fluidThermo&, const word&) [2] in file turbulenceModel.C at line 118. [2] FOAM parallel run exiting [2]

April 25, 2013, 08:29		#4
Haces New Member David Haces Join Date: Mar 2013 Posts: 28 Rep Power: 13	Well,for the boundary conditions you can use the same ones as in the RANS model: http://www.openfoam.org/version2.2.0...-modelling.php

April 25, 2013, 08:32		#5
ignacio Member Ignacio Join Date: Jan 2013 Posts: 33 Rep Power: 13	Ok, I finally managed to run the LES. Thanks a lot for the info David!

October 2, 2013, 09:04		#6
ivfuente New Member Iván Fuentes Join Date: Sep 2012 Posts: 1 Rep Power: 0	Hi Ignacio Can you be more specific about how to manage to run the LES in chtMultiRegionFoam in OF2.2.x? Do you know how it works in OF2.1.x? David brings some lights, but i don't understand ver well. Thanks