Elastic Field of an Elliptic Inhomogeneity With Debonding Over an Arc (Antiplane Strain)

[+] Author and Article Information
B. L. Karihaloo

Department of Civil Engineering and Surveying, University of Newcastle, New South Wales, Australia 2308

K. Viswanathan

Defence Science Centre, Metcalfe House, Delhi, India 110054

J. Appl. Mech 52(1), 91-97 (Mar 01, 1985) (7 pages) doi:10.1115/1.3169033 History: Received March 01, 1984; Revised August 01, 1984; Online July 21, 2009


This paper describes the elastic field of an elliptic inhomogeneity that has debonded over an arc of its common boundary with a different elastic material in which it is embedded. Eshelby’s method of equivalent inclusion with a stress-free eigens train is employed. The solution is facilitated by the properties of Green’s functions. Only the antiplane strain case is treated for illustrating the procedure. Numerical results are presented for the stress intensity factors at the tips of the debonded arc, as well as for the relative displacements across the debond.

Copyright © 1985 by ASME
Topics: Stress , Functions , Trains
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