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-   -   Rotation of a 3d rigid body through its free end (http://www.cfd-online.com/Forums/fluent/48288-rotation-3d-rigid-body-through-its-free-end.html)

M-Ray May 20, 2008 09:56

Rotation of a 3d rigid body through its free end
 
Hi, I'ld like to rotate a rigid body through an axis that doesn't pass through its centre of gravity such as a long flap (my case is 3d) rotating about one of its free ends. The DEFINE_CG_MOTION can only be used to specify translational and angular velocities for the body's centre of gravity. It is true, right ?

But if I use DEFINE_GRID_MOTION, this time the body is needed to be non-rigid. Could anybody please help me ? I'm quite confused !!!


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