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Old   March 24, 2008, 17:45
Default spinning Golf Ball
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Hi, I'm looking for cfd software to create flow models of a spinning golf ball. Is Fluent the best software to do that? I would like to know where my limitations of aerodynamic calculations are in my special case (Cd, Cl, local Re).

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Old   March 25, 2008, 03:19
Default Re: spinning Golf Ball
Dave S
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Fluent can do this for you but for external aerodynamics there are some special considerations. To achieve a high accuracy, main point being the drag co-efficient, you should aim to set up the B/L so that you resolve down into the viscous sublayer (y+=1) and then use a low Re turbulence model. Prediction of Cl is pretty good. By resolving into the viscous sublayer there will be no Re effects.
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