An Upper Bound on the Small Displacements of Elastic, Perfectly Plastic Structures

[+] Author and Article Information
A. R. S. Ponter

Department of Engineering, University of Leicester, Leicester, England

J. Appl. Mech 39(4), 959-963 (Dec 01, 1972) (5 pages) doi:10.1115/1.3422898 History: Received March 16, 1971; Online July 12, 2010


An inequality is described which allows the evaluation of upper bounds to the displacement of an elastic/perfectly plastic structure subject to variable loading. Simple examples indicate that although the bound may not be very accurate, it may well provide a useful additional calculation to the limit state and shakedown solutions.

Copyright © 1972 by ASME
Topics: Displacement
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