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Old   February 8, 2010, 10:20
Question 6DOF with OF1.6
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Dear Foamers,

I am trying to simulate the motion of a 2D cylinder under steady flow. The cylinder is connected to a damper and a spring. Bascially, it's a fluid-structure-interaction problem and 6DOF problem. The motion of the cylinder is affected by the drag and lift forces from the flow.

I went through all the previous posts. They helped but seemed not direct answers. Also probably little bit outdated, and I am not sure their applicability to OF 1.6 either. Could any expert give some updated insight to this kind of simulation?

By the way, As the first step, I tried to use oscillatingFixedValue to specify the cylinder motion cellMotionUx and pointMotionUx, but it gives an error message saying "Not Implemented". But oscillatingFixedValue is OK with regular boundary condition like U though. Any expert knows why?

Thanks in advance for all your help.

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6dof, dynamic mesh

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