Torsional Instability of Cantilevered Bars Subjected to Nonconservative Loading

[+] Author and Article Information
S. Nemat-Nasser

Department of Civil Engineering, The Technological Institute, Northwestern University, Evanston, Ill.

G. Herrmann

The Technological Institute, Northwestern University, Evanston, Ill.

J. Appl. Mech 33(1), 102-104 (Mar 01, 1966) (3 pages) doi:10.1115/1.3624965 History: Received March 03, 1965; Revised June 02, 1965; Online September 15, 2011


A cantilevered bar of uniform cross section and subjected at the free end to distributed, non-conservative, compressive loads is considered. It is shown that, for certain cross sections, stability may be lost by either torsional divergence (torsional buckling) or torsional flutter, depending upon the load distribution at the end section. In addition, transverse flutter also can occur, however, not transverse buckling.

Copyright © 1966 by ASME
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