problem on dynamic mesh zone
Hi! I am simulating flapping wing motion with dynamic mesh model that uses remeshing and smoothing. But in the first iterations i got negative volume.It seems that i got problem in zone defining.
I got a square domain and a circular fine mesh around airfoil. Fluent divided the total grid in three parts: 1 the circle itself 2 the area btw circle and square 3 the area btw airfoil and circle. I planned to make the circular grid, airfoil and the circle as rigid body and the outer grid the area btw square and circle as deforming but that is not working. Any idea would be appreciated. Regards 
Re: problem on dynamic mesh zone
the problem was about the UDF in which i did not mention the scale factor in the velocity formula.

Re: problem on dynamic mesh zone
Dear Erkan
Have you found your answer? Best regards 
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