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Forum: CFX

August 22, 2011, 23:18

Replies: 44

Drag Coefficient Verification around Cylinder

Views: 17,955

Posted By bbhv

Hi Glenn, Yes, I am checking it now with...

Hi Glenn,

Yes, I am checking it now with 1000 time-steps/cycle.
I have previously used 100 and 200 time-steps/cycle.

My model is 2d with an added one-element thickness in z-direction....

Forum: CFX

August 22, 2011, 22:48

Replies: 44

Drag Coefficient Verification around Cylinder

Views: 17,955

Posted By bbhv

Hi Josh, Yes, I have done time and grid...

Hi Josh,

Yes, I have done time and grid independence studies.
Refining the time or space only slightly improve the results, but the error is still large 40-50%.
Can you explain more the...

Forum: CFX

August 21, 2011, 02:59

Replies: 44

Drag Coefficient Verification around Cylinder

Views: 17,955

Posted By bbhv

lower coefficient values

Hi Josh,

I know it has been a long time since this thread was active, but I hope you do not mind to give some hints.
My results also show much lower, around 50%, Cd and Cl than the reference...

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