Interference Impact Analysis of Multibody Systems

[+] Author and Article Information
D. Wang, D. Beale

Department of Mechanical Engineering, Auburn University, Auburn, AL 36849-5341

C. Conti

Laboratory of Theoretical Mechanics, Dynamics and Vibrations, Faculte Polytechnique de Mons, B-7000, Mons, Belgium

J. Mech. Des 121(1), 128-135 (Mar 01, 1999) (8 pages) doi:10.1115/1.2829413 History: Received December 01, 1997; Revised November 01, 1998; Online December 11, 2007


A new computer aided analysis method for frictionless impact problems due to interference between two bodies in a constrained multibody system is presented in this paper. A virtual contact joint concept is used to detect interference between two bodies and calculate the jump in the body momenta, velocity discontinuities and rebounds. The interference surfaces can be described by the joint coordinates of the virtual contact joint, which are very useful for determining the impact time, the types and positions of two impact surfaces and impact initial conditions when an interference happens between two bodies.

Copyright © 1999 by The American Society of Mechanical Engineers
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