Effect of Orthotropy on Singular Stresses for a Finite Crack

[+] Author and Article Information
T. Ohyoshi

Department of Mechanical Engineering, Akita University, Akita, Japan

J. Appl. Mech 40(2), 491-497 (Jun 01, 1973) (7 pages) doi:10.1115/1.3423011 History: Received February 01, 1972; Revised June 01, 1972; Online July 12, 2010


The diffraction of P and SV-waves by a finite crack located on a symmetric surface of orthotropy is considered. By obtaining the singular stress distributions near the crack tip and dynamic stress-intensity factors, we show the influences of orthotropy on the stress distributions with orthotropic parameters, κα and κβ , and on the stress-intensity factors for P-waves in graph. The solution is presented in the form of integral equation having the kernel of a finite integration which is derived under some restrictions among the elastic constants. The conditions are satisfied for many orthotropic solids.

Copyright © 1973 by ASME
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