RESEARCH PAPERS: Design Automation Papers

Dynamic Analysis of Mechanical Systems With Intermittent Motion

[+] Author and Article Information
R. A. Wehage, E. J. Haug

Materials Division, College of Engineering, The University of Iowa, Iowa City, Iowa 52240

J. Mech. Des 104(4), 778-784 (Oct 01, 1982) (7 pages) doi:10.1115/1.3256436 History: Received June 16, 1981; Online November 17, 2009


A method is presented for dynamic analysis of systems with impulsive forces, impact, discontinuous constraints, and discontinuous velocities. A method of computer generation of the equations of planar motion and impulse-momentum relations that define jump discontinuities in system velocity for large scale systems is presented. An event predictor, working in conjunction with a new numerical integration algorithm, efficiently controls the numerical integration and allows for automatic equation reformulation. A weapon mechanism and a trip plow are simulated using the method to illustrate its capabilities.

Copyright © 1982 by ASME
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