Research Papers

Modeling of Impact in Multibody Systems: An Overview

[+] Author and Article Information
Y. A. Khulief

Department of Mechanical Engineering,
King Fahd University of Petroleum & Minerals,
KFUPM Box 1767,
Dhahran 31261, Saudi Arabia
e-mail: khulief@kfupm.edu.sa

Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. Manuscript received December 12, 2011; final manuscript received February 11, 2012; published online August 31, 2012. Assoc. Editor: Ahmet S. Yigit.

J. Comput. Nonlinear Dynam 8(2), 021012 (Aug 31, 2012) (15 pages) Paper No: CND-11-1242; doi: 10.1115/1.4006202 History: Received December 12, 2011; Revised February 11, 2012

This paper appraises the current status of research devoted to the problem of modeling impact in multibody systems. The paper presents a focused, yet coherent overview of the problem of modeling impulsive motions initiated by impacts in multibody systems in light of the reported literature, while highlighting the key research accomplishments, unresolved problems, and pending challenges. The paper begins with a brief overview of the mechanics of contact in two-body collisions, and then proceeds to review different approaches for modeling the dynamics of impact in rigid multibody mechanical systems and multibody systems of interconnected rigid and flexible bodies. The review concludes by shedding light on some pertinent computational considerations.

Copyright © 2013 by ASME
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Fig. 1

Classical impact process [1]

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Fig. 2

Two nonconforming solids at contact

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Fig. 3

Impact in a multibody system

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Fig. 4

High-speed flexible arm [102]

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Fig. 5

Change of modal shapes during one cycle [102]

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Fig. 6

Path executed by the gripper [102]

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Fig. 7

Vertical velocity of the gripper [102]




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