Low Re Model for separated flow

ceyrows · March 6, 2008, 10:56

Hello Everybody,

I am doing an URANS-simulation of the ahmed-body. Having performed some simulations with realizablekE- and komegaSST-model (both using wallfunctions), I would now like to do a simulation with a low Re model without wall functions.

Is there anybody who has experience with application of lowRe-models to separated flow? Can anybody recommend any of the lowRe-models, implemented in FOAM?
Am I right assuming that the LienCubicKELowRe is similar to the realizableKE (but of course without wall functions)?

Thank you very much and regards,

Thomas

ngj · March 6, 2008, 11:22

Hi Thomas

I haven't read that part, but Wilcox (2006), Turbulence Modeling in CFD, gives a review of some 8 different low-RE models.

Have fun,

Niels

ceyrows · March 7, 2008, 07:02

Hey Niels,

Wilcox is just bearing me company but it only provides information about LamBremhorstKE and LaunderSharmaKE. I am interested in the LienCubicKELowRe because it is a nonlinear model. Somebody's experiences would be great because I do not have too many trials...

Regards,

Thomas

March 6, 2008, 10:56	Hello Everybody, I am doing	#1
ceyrows New Member Thomas Ceyrowsky Join Date: Mar 2009 Location: Germany Posts: 9 Rep Power: 17	Hello Everybody, I am doing an URANS-simulation of the ahmed-body. Having performed some simulations with realizablekE- and komegaSST-model (both using wallfunctions), I would now like to do a simulation with a low Re model without wall functions. Is there anybody who has experience with application of lowRe-models to separated flow? Can anybody recommend any of the lowRe-models, implemented in FOAM? Am I right assuming that the LienCubicKELowRe is similar to the realizableKE (but of course without wall functions)? Thank you very much and regards, Thomas

March 6, 2008, 11:22	Hi Thomas I haven't read th	#2
ngj Senior Member Niels Gjoel Jacobsen Join Date: Mar 2009 Location: Copenhagen, Denmark Posts: 1,900 Rep Power: 37	Hi Thomas I haven't read that part, but Wilcox (2006), Turbulence Modeling in CFD, gives a review of some 8 different low-RE models. Have fun, Niels __________________ Please note that I do not use the Friend-feature, so do not be offended, if I do not accept a request.

March 7, 2008, 07:02	Hey Niels, Wilcox is just b	#3
ceyrows New Member Thomas Ceyrowsky Join Date: Mar 2009 Location: Germany Posts: 9 Rep Power: 17	Hey Niels, Wilcox is just bearing me company but it only provides information about LamBremhorstKE and LaunderSharmaKE. I am interested in the LienCubicKELowRe because it is a nonlinear model. Somebody's experiences would be great because I do not have too many trials... Regards, Thomas

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