On a Class of Models for the Yielding Behavior of Continuous and Composite Systems

[+] Author and Article Information
W. D. Iwan

Department of Applied Mechanics, California Institute of Technology, Pasadena, Calif.

J. Appl. Mech 34(3), 612-617 (Sep 01, 1967) (6 pages) doi:10.1115/1.3607751 History: Received August 26, 1966; Revised February 07, 1967; Online September 14, 2011


A class of one-dimensional models for the yielding behavior of materials and structures is presented. This class of models leads to stress-strain relations which exhibit a Bauschinger effect of the Massing type, and both the steady-state and nonsteady-state cyclic behavior are completely specified if the initial monotonic loading behavior is known. The concepts of the one-dimensional class of models are extended to three-dimensions and lead to a subsequent generalization of the customary concepts of the incremental theory of plasticity.

Copyright © 1967 by ASME
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