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RESEARCH PAPERS

Impact Response of a Cracked Orthotropic Medium

[+] Author and Article Information
M. K. Kassir

Department of Civil Engineering, City College of City University of New York, New York, N.Y. 10031

K. K. Bandyopadhyay

Gibbs and Hill, Inc., New York, N.Y. 10001

J. Appl. Mech 50(3), 630-636 (Sep 01, 1983) (7 pages) doi:10.1115/1.3167101 History: Received October 01, 1982; Revised February 01, 1983; Online July 21, 2009

Abstract

A solution is given for the problem of an infinite orthotropic solid containing a central crack deformed by the action of suddenly applied stresses to its surfaces. Laplace and Fourier transforms are employed to reduce the transient problem to the solution of standard integral equations in the Laplace transform plane. A numerical Laplace inversion technique is used to compute the values of the dynamic stress-intensity factors, k1 (t) and k2 (t), for several orthotropic materials, and the results are compared to the corresponding elastostatic values to reveal the influence of material orthotropy on the magnitude and duration of the overshoot in the dynamic stress-intensity factor.

Copyright © 1983 by ASME
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