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TECHNICAL BRIEFS

The Dynamic Hole Expansion Problem for a Plate of Elastic-Perfectly Plastic Material

[+] Author and Article Information
P. C. Upadhyay, V. K. Stokes

Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, 208016, India

J. Appl. Mech 45(4), 961-963 (Dec 01, 1978) (3 pages) doi:10.1115/1.3424462 History: Received March 01, 1978; Revised August 01, 1978; Online July 12, 2010

Abstract

Numerical solutions have been obtained for the problem of the dynamic expansion of a circular hole in an infinite plate of elastic-perfectly plastic material, due to the imposition of a constant acceleration at the hole boundary, for three different materials. It has been shown that Freiberger’s assumption, concerning the vanishing of the tangential component of stress in the plastic region, is not valid.

Copyright © 1978 by ASME
Topics: Plastics , Stress
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