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RESEARCH PAPERS

General Properties of Yield-Point Load Surfaces

[+] Author and Article Information
P. G. Hodge

Department of Mechanics, Illinois Institute of Technology, Chicago, Ill.

Chang-Kuei Sun

Pratt-Whitney Aircraft, Hartford, Conn.

J. Appl. Mech 35(1), 107-110 (Mar 01, 1968) (4 pages) doi:10.1115/1.3601121 History: Received March 13, 1967; Revised July 06, 1967; Online September 14, 2011

Abstract

A structure made of a rigid perfectly plastic material and subjected to more than one independent load is considered. A mode vector is defined for any plastic mechanism and shown to have the same properties relative to the yield-point load interaction surface that the strain-rate vector has to the material yield surface. An application to a circular plate under two independent loads leads to close bounds on the interaction curve.

Copyright © 1968 by ASME
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