A Simple Bound on the Asymptotic Pressure in a Spherical Cavity, Surrounded by an Infinite Elasto-Plastic Medium

[+] Author and Article Information
D. Durban, M. Baruch

Department of Aeronautical Engineering, Technion-Israel Institute of Technology, Haifa, Israel

J. Appl. Mech 44(3), 507-509 (Sep 01, 1977) (3 pages) doi:10.1115/1.3424115 History: Received March 01, 1977; Online July 12, 2010


A simple formula is suggested for the upper bound on the asymptotic pressure in a spherical cavity surrounded by an infinite elasto-plastic medium. The uniaxial stress-strain curve is assumed to be represented by the Ramberg-Osgood equation. Comparison of the proposed upper bound with the exact asymptotic pressure, for a few metals, shows that the average overestimation is around 16 percent.

Copyright © 1977 by ASME
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