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sadeq December 15, 2010 07:51

shake flask
 
I am modeling a shake flask which has 2 different rotational motion.
one of them is rotating around its cylindrical axis, and the other one is rotating around the Z direction which is originated from (0,0,0).
I mean that my flask has 2 rotational motion like our planet, Earth. one of them around itself and the other one around the Sun.
How should I put boundary conditions for this modeling??


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