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September 22, 2009, 21:06
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why dynamic mesh method give wrong results?
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New Member
Wei Yang
Join Date: Jul 2009
Location: Shanghai
Posts: 4
Rep Power: 5   |
For conventional CFD study on airfoil, the air is moving, the airfoil is steady. It can give considerable results and acceptable.
In reality, the airfoil flies in air. So, I use dynamic mesh method modeling the motion. But the results confused me. The lift is a bit smaller and the drag is 3 or 5times of conventional CFD method. why? can anyone describe the reason? How can I get the right result using dynamic mesh method? Thanks!
__________________
Wei Yang Ph.D. student Shanghai Automotive Wind Tunnel Center Tongji University Shanghai 201804 P.R. China |
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