Plane Problems of Cracks in Dissimilar Media

[+] Author and Article Information
J. R. Rice

Division of Engineering, Brown University, Providence, R. I.

G. C. Sih

Lehigh University, Bethlehem, Pa.

J. Appl. Mech 32(2), 418-423 (Jun 01, 1965) (6 pages) doi:10.1115/1.3625816 History: Received May 05, 1964; Online September 15, 2011


The in-plane extension of two dissimilar materials with cracks or fault lines along their common interface is considered. A method is offered for solving such problems by the application of complex variables integrated with the eigenfunction-expansion technique presented in an earlier paper. The solution to any problem is resolved to finding a single complex potential resulting in a marked economy of effort as contrasted with the more laborious conventional methods which have not yielded satisfactory results. Boundary problems are formulated and solutions are given in closed form. The results of these evaluations also give stress-intensity factors (which determine the onset of rapid fracture in the theory of Griffith-Irwin) for plane problems.

Copyright © 1965 by ASME
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