Circumferential Crack at the Fixed End of a Cylinder in Flexure

[+] Author and Article Information
J. A. Alabi

Mechanical Engineering Department, University of Science and Technology, Port Harcourt, Nigeria

J. Appl. Mech 54(4), 861-865 (Dec 01, 1987) (5 pages) doi:10.1115/1.3173129 History: Received May 23, 1986; Revised March 03, 1987; Online July 21, 2009


The problem of a circumferential through-crack at the fixed end of a cylinder in flexure is considered herein. An expression for the energy-release rate, in closed form, is obtained according to linear fracture mechanics and thin shell theory. The expression consists of two terms, one of which is the energy-release due to shear and the other is the energy-release due to bending. The former is relatively negligible except for very short cylinders. A formula for the flexibility factor is also derived.

Copyright © 1987 by ASME
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