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Concurrent Multiple impacts in rigid bodies: Formulation and simulation

Abstract : The analysis of collisions in multi-body systems has been a topic of continuous research in recent years. The purpose of this paper is to exhibit a multiple impact law for rigid body dynamical system built on physically motivated parameters. This law must meet the properties of closing the non-smooth dynamical equations and of corroborating experiments. Studying the most basic multi-body impact problem ( the chain of ball), we highlight the properties of our impulse ratio based law. These properties are : existence and uniqueness of the post-impact velocities, compliance with the unilateral constraints, energy balance and the numerical tractability. We then attempt to extend our formulation to the general case of Lagrangian systems by studying a bidimensional chain. This study paves the way towards more general results on the quantitative and qualitative properties of a multiple impact law based on a impulse ratio.
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Submitted on : Tuesday, October 13, 2009 - 10:03:19 PM
Last modification on : Monday, April 25, 2022 - 8:46:09 AM
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  • HAL Id : inria-00424055, version 1



Vincent Acary, Doh-Elvis Taha. Concurrent Multiple impacts in rigid bodies: Formulation and simulation. ENOC-2005, Technical University Eindhoven Tu/e, Aug 2005, Eindhoven, Netherlands. ⟨inria-00424055⟩



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