Representations of Stress Intensity Factors by Path-Independent Integrals

[+] Author and Article Information
Kuang-Chong Wu

Institute of Applied Mechanics, National Taiwan University, Taipei, Taiwan 10764

J. Appl. Mech 56(4), 780-785 (Dec 01, 1989) (6 pages) doi:10.1115/1.3176171 History: Received December 06, 1988; Revised March 10, 1989; Online July 21, 2009


Stress intensity factors are represented by path independent integrals for linear elastic materials. Two types of representation are given. The first type of integrals are expressed by integration over contours surrounding a crack tip. Those of the second type are integrated over contours enclosing a finite crack. The path independent integrals are applied to determine the stress intensity factors due to a body force and a dislocation for a finite crack in an infinite anisotropic body.

Copyright © 1989 by ASME
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