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-   -   Velocity of 3.5 for oscillating airfoil - logical? (http://www.cfd-online.com/Forums/main/11217-velocity-3-5-oscillating-airfoil-logical.html)

quarkz April 13, 2006 00:12

Velocity of 3.5 for oscillating airfoil - logical?
 
Hi,

I am simulating flow past an oscillating airfoil. It is oscillating up/down with a sin function ie y=sin(t). vel y, v=cos(t), hence, max v=1. Inlet velocity is u=1.

However, near the front top end of the airfoil, where a vortex is formed, I have velocity vectors as large as 3.5.

Is this logical? Hope someone can give some advice.

Thank you very much


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