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RESEARCH PAPERS

Relationship Between the Elastic Buckling of Square Tubes and Rectangular Plates

[+] Author and Article Information
S. Li, S. R. Reid

Department of Mechanical Engineering, UMIST, Manchester M60 1QD, U.K.

J. Appl. Mech 57(4), 969-973 (Dec 01, 1990) (5 pages) doi:10.1115/1.2897669 History: Received April 21, 1989; Revised October 20, 1989; Online March 31, 2008

Abstract

The buckling behavior of axially compressed square tubes is investigated by introducing realistic edge conditions for the panels which correspond to symmetry or antisymmetry in the modes of deformation of the tube cross-section with regard to the diagonals of the section. The results show a number of differences between the buckling behavior of square tubes and of simply-supported plates. This vanishes only for very thin tubes and plates. The comparison between the buckling mode for thinner and thicker tubes suggests an explanation for the existence of compact and noncompact crushing modes in the subsequent crushing of tubes.

Copyright © 1990 by The American Society of Mechanical Engineers
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