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Content available Numerical investigation of impact of non-spherical particles with spin and multi-point contact
Xu Xindong, Yu Kuahai, Yao Shile, Xin Shihong, Yue Zhufeng, Li Lei
Journal of Theoretical and Applied Mechanics
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2021
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Vol. 59 nr 3
431-–441
EN
This paper investigates the dynamic behavior of elastoplastic collision of several non-sphere particles through the spherical element combination method. The particles are cylinder, triangle and square particles, which are combined by 2, 3 and 4 spheres using the spherical element method, respectively. Results reveal that the collision of the evaluated irregular particles exhibits three contact styles, which are single point contact, instantaneous multi-point contact and sequential multi-point contact. Normal contact torque and frictional torque act together on the spin of a particle and causes sequential multi-point contact under certain conditions for square particles.
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