The stability improvement of spinning top in collision motion

This paper worked on spinning tops stability improvement with enlightenning and heuristic result. The behavior of the conventional spinning top has been investigated from a players view and from designers perspective. A simplified theoretical model is established focusing on precession of the spinning top and simulation on Ansys platform has been proformed as well. It confirmed and verified our stability assessing formula. Worth to mention, a new indicator which characterizes the stability performance of the spinning top have been proposed. This indicator takes the form of ratio of moment of inertia to mass which helps improve spinning top stability along with fast angular velocity and a slight friction.