The Evaluation of the Stress Intensity Factors for Cracks Subjected to Tension, Torsion, and Flexure by an Efficient Numerical Technique

[+] Author and Article Information
A. F. Emery

University of Washington, Seattle, Wash.; Sandia Corporation, Livermore, Calif.

C. M. Segedin

University of Auckland, Auckland, New Zealand

J. Basic Eng 94(2), 387-393 (Jun 01, 1972) (7 pages) doi:10.1115/1.3425432 History: Received July 19, 1971; Online October 27, 2010


A numerical technique for the efficient computation of singular states of stress is developed and applied to several plane strain elastic problems. The method which extracts the effect of the singularity from the field permits the use of relatively coarse nodal meshes with rapid solution times but maintains a high degree of accuracy. Using this technique, stress intensity factors are calculated for the torsion and flexure of solid and hollow cylinders and the internal pressurization of cylinders of varying thicknesses.

Copyright © 1972 by ASME
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