Critical-Induced Acceleration for Shock Propagation in Polymethyl Methacrylate

[+] Author and Article Information
K. W. Schuler

Stress Wave Phenomena Division, Sandia Laboratories, Albuquerque, N. Mex.

E. K. Walsh

Department of Engineering Science and Mechanics, University of Florida, Gainesville, Fla.

J. Appl. Mech 38(3), 641-645 (Sep 01, 1971) (5 pages) doi:10.1115/1.3408867 History: Received April 09, 1970; Online July 12, 2010


In a recent analysis, Chen and Gurtin have shown that whether a shock wave in a nonlinear viscoelastic material will grow, decay, or remain steady is directly related to whether the acceleration just behind the wave is greater than, less than, or equal to a certain critical acceleration. In this paper, we use the experimental results of Schuler and Barker to determine this critical-induced acceleration as a function of the strain behind the shock for polymethyl methacrylate.

Copyright © 1971 by ASME
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