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RESEARCH PAPERS

Analysis of J-Integral and Crack Growth for Surface Cracks by Line Spring Method

[+] Author and Article Information
T. Miyoshi

University of Tokyo, Bunkyo-ku, Tokyo, Japan

M. Shiratori

Yokohama National University, Yokohama, Japan

Y. Yoshida

University of Tokyo, Tokyo, Japan

J. Pressure Vessel Technol 108(3), 305-311 (Aug 01, 1986) (7 pages) doi:10.1115/1.3264790 History: Received July 17, 1984; Revised August 12, 1985; Online November 05, 2009

Abstract

This paper describes the analysis of J -integral and crack growth for the surface cracks in work-hardening bodies. First, the complementary energy method has been formulated, which evaluates the stiffness and J -integral of the single-edge-cracked plate under combined tension and bending. Next, the complementary energy method has been combined with the thick shell line spring method in order to analyze the J -integral and crack growth for the surface cracks. It has been shown that the J -integral and crack growth for the surface cracks in work-hardening plates and shells can be analyzed by this method in short computing time and with good accuracy.

Copyright © 1986 by ASME
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