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newer version of Fluent/ CFX Vs. CFX11?!?

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Old   May 24, 2011, 23:06
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mohammad
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Hey;
I'm simulating the NREL wind turbine model with CFX11 but I want to use a newer version of Fluent/CFX.

At this stage, my plan is to investigate the different turbulent models( DES, SST, SA) and transitional flow.

I have some questions now.

1- I read the REF[1] about a transitional model and its better prediction of wind turbine performance.
which software and which version ( Fluent or CFX) has this model ?

2-Do you have any information about the advantages of the newer versions of CFX/Fluent or over CFX 11 about the use of turbulent models? is there any newer turbulent option or influential modification available in newer versions of CFX/Fluent that can really affect the results?


Reference
[1]-Predicting 2D Airfoil and 3D Wind Turbine Rotor Performance using a Transition Model for General CFD Codes; R.B. Langtry, J. Gola, and F.R. Menter , AIAA; 2006
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Old   May 26, 2011, 03:13
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It's available. for more info see the following link...

CFX11 Vs. CFX12/ CFX13

Good Luck
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Old   May 26, 2011, 06:41
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Glenn Horrocks
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CFX has the transition model. Not sure about Fluent, I think V13 has it but I am not sure.

The reference you quote is an excellent one, it shows the benefits of the turbulence transition model in CFX. I think this is a strong argument to use the turbulence transition model in CFX as that paper shows it works well. It will hopefully also give you some tips of how to implement it properly.
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Old   May 26, 2011, 09:38
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Quote:
Originally Posted by ghorrocks View Post
CFX has the transition model. Not sure about Fluent, I think V13 has it but I am not sure.
Google the title of " Ansys Fluent 12 - what's new?" or visit "http://www.cfx-berlin.de/de/news/200..._Whats_New.pdf"
it says that:
Turbulence has been an area with active sharing between the FLUENT and CFX functional groups.Turbulent transition modeling is available in FLUENT 12.
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