Restitution Coefficient in a Collision between Two Spheres

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Copyright (c) 1987 The Japan Society of Applied Physics
, , Citation Goro Kuwabara and Kimitoshi Kono 1987 Jpn. J. Appl. Phys. 26 1230 DOI 10.1143/JJAP.26.1230

1347-4065/26/8R/1230

Abstract

On the basis of elastic theory the restitution coefficient e was derived as a function of the elastic constants, radii, masses and colliding velocities of two spheres by taking the visco-elastic property into consideration. For a coefficient close to one, the value of (1-e) was found to be proportional to (velocity)1/5. This result was compared with a treatment based on the plastic property of solids.

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