Transient Response of a Finite Crack in a Strip With Stress-Free Edges

[+] Author and Article Information
S. Itou

Department of Mechanical Engineering, Hachinohe Institute of Technology, Hachinohe 031, Japan

J. Appl. Mech 47(4), 801-805 (Dec 01, 1980) (5 pages) doi:10.1115/1.3153793 History: Received January 01, 1980; Revised May 01, 1980; Online July 21, 2009


We have considered the problem of determining the dynamic stress distribution in an infinitely long isotropic homogeneous elastic strip containing a Griffith crack which is perpendicular to the edges of the strip. The crack is opened by internal pressure with the Heaviside function time-dependence. By using the Fourier and Laplace transforms, we can solve the problem with a set of dual integral equations in the Laplace transform domain. These equations are solved using the Schmidt method. The Laplace inversion of the stress-intensity factor is carried out numerically.

Copyright © 1980 by ASME
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