Thermo-Elastoviscoplastic Buckling Behavior of Plates

[+] Author and Article Information
G. J. Simitses

Aerospace Engineering and Engineering Mechanics, University of Cincinnati, Cincinnati, OH 45211

Y. Song

Engineering Technology Associates, Inc., Madison Heights, Ml 48071

J. Appl. Mech 61(1), 169-175 (Mar 01, 1994) (7 pages) doi:10.1115/1.2901392 History: Received April 10, 1991; Revised July 26, 1991; Online March 31, 2008


The thermo-elastoviscoplastic buckling behavior of plates is investigated. The analysis is based on nonlinear kinematic relations and nonlinear rate-dependent unified constitutive equations which include both Bodner-Partom’s and Walker’s material models. A finite element approach is employed to predict the inelastic buckling behavior. Numerical examples are given to demonstrate the effects of several parameters, which include temperature, small initial imperfections, and the thickness of the plate. Comparisons of buckling responses for the two models, Bodner-Partom’s and Walker’s, are also presented.

Copyright © 1994 by The American Society of Mechanical Engineers
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