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COMSOL vs ANSYS (external flow)

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Old   May 8, 2012, 20:54
Default COMSOL vs ANSYS (external flow)
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I went to one of the COMSOL workshops and saw that the multiphysics capabilities of the software impressive but, when the romance of the presentation finished, I concentrated in doing what I'm familiar with in the trial version they gave to us.
I'm not one expert in CFD or FSI but I found it difficult to do one simple 3D simulation of a (selig 1223) wing. The turbulence models of comsol are very small in number and the solver worked like a tired horse.

Am I doing something wrong or ANSYS CFX is really a better software for external flow ?

Someone that worked with COMSOL and CFX or even FLUENT can tell the differences on results accuracy and configuration possibilities for this type of simulation ???

thanks
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Old   May 11, 2012, 00:27
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Dr. Madhukar M Rao
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Why don't you compare the results and performance against one of the open source CFD codes? (There are quite a few of these: openfoam, gerris, openfvm, dolfyn, etc. )

Good luck.
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