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RESEARCH PAPERS

Sanders’ Energy-Release Rate Integral for a Circumferentially Cracked Cylindrical Shell

[+] Author and Article Information
J. W. Nicholson

Department of Theoretical and Applied Mechanics, University of Illinois at Urbana-Champaign, Urbana, Ill. 61801

S. T. Weidman, J. G. Simmonds

Department of Applied Mathematics and Computer Science, University of Virginia, Charlottesville, Va. 22901

J. Appl. Mech 50(2), 373-378 (Jun 01, 1983) (6 pages) doi:10.1115/1.3167047 History: Received July 01, 1982; Revised January 01, 1983; Online July 21, 2009

Abstract

Analytical and numerical values for Sanders’ path-independent energy-release rate integral I and the combined stress-intensity factor are obtained for a circumferentially through-cracked cylindrical shell. Two types of loadings are considered. First, the shell is subject to axial tension and, second, the shell is subject to edge moments. New procedures for evaluating I from the governing integral equations are presented. In particular, for a very thin shell subject to edge moments, a method of evaluating I by circumventing the solution of the integral equations is shown.

Copyright © 1983 by ASME
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