Buckling Mode Localization in Restrained Columns Under Cyclic Loading

[+] Author and Article Information
Edmundo Corona

Department of Aerospace and Mechanical Engineering,  University of Notre Dame, 365 Fitzpatrick Hall of Engineering, Notre Dame, IN 46556ecorona@nd.edu

J. Appl. Mech 72(4), 620-622 (Oct 18, 2004) (3 pages) doi:10.1115/1.1938203 History: Received August 02, 2004; Revised October 18, 2004

The buckling mode localization of a multiply supported column subjected to fully reversed, displacement-controlled cyclic loading is studied numerically. The results show that localization can take place and lead to limit loads similar to those reported in other structural members in the literature. Analysis of the results reveals the mechanisms by which localization takes place.

Copyright © 2005 by American Society of Mechanical Engineers
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Figure 1

(a) Schematic of the parameters of the problem and (b) model of the problem

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Figure 2

(a) Axial load-deflection response and (b) column deflection as function of number of cycles

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Figure 3

Axial displacement of column supports

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Figure 4

Length change of column segments



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