Stress Intensity Factors of Multiple Cracked Sheet With Riveted Stiffeners

[+] Author and Article Information
T. Nishimura

Mitsubishi Heavy Industries, Ltd., Nagoya Aerospace Systems Works, Nagoya, Japan

J. Eng. Mater. Technol 113(3), 280-284 (Jul 01, 1991) (5 pages) doi:10.1115/1.2903406 History: Received March 04, 1990; Revised August 10, 1990; Online April 29, 2008


A new method is proposed for analyzing the stress intensity factors of multiple cracks in a sheet reinforced with riveted stiffeners. Using the basic solution of a single crack and taking unknown density of surface tractions and fastener forces, Fredholm integral equations and compatibility equations of displacements among the sheet, fasteners, and stiffeners are formulated. After solving the unknown density, the stress intensity factors of multiple cracks in the sheet are determined. Some numerical examples are analyzed.

Copyright © 1991 by The American Society of Mechanical Engineers
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