Stress Field Around a Rounded Crack Tip

[+] Author and Article Information
C. R. Chiang

Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu 30043, Taiwan

J. Appl. Mech 58(3), 834-836 (Sep 01, 1991) (3 pages) doi:10.1115/1.2897270 History: Online March 31, 2008


A method based on the eigenfunction (Williams stress functions) expansion is developed to examine the stress distribution around the tip region of a macrocrack which has some specific micro configuration. In particular, a macrocrack running into a micro hole under mode I condition is analyzed in detail. The coefficients associated with each eigenfunction are determined by a collocation procedure and the convergence of the numerical results is shown to be quite satisfactory.

Copyright © 1991 by The American Society of Mechanical Engineers
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