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Rotation of a 3d rigid body through its free end

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Old   May 20, 2008, 09:56
Default Rotation of a 3d rigid body through its free end
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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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