Transient Response of a Finite Crack in a Half Plane Under Impact Load

[+] Author and Article Information
S. Itou

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

J. Appl. Mech 48(3), 534-538 (Sep 01, 1981) (5 pages) doi:10.1115/1.3157669 History: Received October 01, 1980; Online July 21, 2009


Analytical investigation of a half plane weakened by a finite crack is considered. The crack is placed perpendicularly to the stress-free boundary of the half plane. The surfaces of the crack are loaded by a uniform pressure with Heaviside-function time dependence. In the Laplace transform domain, Fourier transformations are utilized to reduce the problem to the solution of a pair of dual integral equations which are solved by using the series expansion method. The Laplace inversion of the dynamic stress-intensity factors is carried out numerically.

Copyright © 1981 by ASME
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