Stress-Intensity Factor for a Three-Dimensional Rectangular Crack

[+] Author and Article Information
M. K. Kassir

Department of Civil Engineering, City College of City University of New York, New York, N. Y. 10031

J. Appl. Mech 48(2), 309-312 (Jun 01, 1981) (4 pages) doi:10.1115/1.3157614 History: Received June 01, 1980; Revised October 01, 1980; Online July 21, 2009


An integral transform solution is developed to reduce the problem of determining the stress-intensity factor of a narrow three-dimensional rectangular crack to the solution of a Fredholm integral equation of the second kind. The crack is assumed to be embedded in an infinite elastic solid subjected to normal loading. Numerical results are presented to indicate a reduction in the value of the stress-intensity factor from the plane strain case. For an elongated rectangular crack the plane-strain stress-intensity factor is recovered.

Copyright © 1981 by ASME
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