Wave-Front Approximations in a Moving Coordinate System

[+] Author and Article Information
J. G. Harris

Department of Theoretical and Applied Mechanics, University of Illinois, Urbana, Ill. 61801

J. Appl. Mech 51(4), 934-935 (Dec 01, 1984) (2 pages) doi:10.1115/1.3167749 History: Received January 01, 1983; Revised January 01, 1984; Online July 21, 2009


A wave-front approximation to the wave emitted when a propagating mode III crack abruptly slows it speed of advance is calculated. Of particular interest is the approximation of the Cagniard-deHoop inversion integral when it is expressed in terms of the variables of a moving coordinate system.

Copyright © 1984 by ASME
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