Beam Motion With Unilateral Contact Constraints and Wear of Contact Sites

[+] Author and Article Information
L. Johansson

Department of Mechanical Engineering, Division of Mechanics, Linköping University, S-581 83 Linköping, Sweden

J. Pressure Vessel Technol 119(1), 105-110 (Feb 01, 1997) (6 pages) doi:10.1115/1.2842252 History: Received April 19, 1994; Revised July 23, 1996; Online February 11, 2008


In the present paper, a computational algorithm is proposed for the motion of a beam which is constrained by unilateral contact at prescribed contact sites. Special attention is focused on the numerical difficulties arising due to the iteration between the beam equation of motion and the contact algorithm, and a method to overcome these difficulties is suggested. The algorithm also includes wear, and the dynamical properties of the system are allowed to change gradually as the contact sites wear down.

Copyright © 1997 by The American Society of Mechanical Engineers
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