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RESEARCH PAPERS

Elastic Postbuckling Behavior of Stiffened and Barreled Cylindrical Shells

[+] Author and Article Information
J. W. Hutchinson, J. C. Frauenthal

Division of Engineering and Applied Physics, Harvard University, Cambridge, Mass.

J. Appl. Mech 36(4), 784-790 (Dec 01, 1969) (7 pages) doi:10.1115/1.3564771 History: Received October 04, 1968; Revised January 06, 1969; Online September 14, 2011

Abstract

The initial postbuckling behavior of axially stiffened cylindrical shells is studied with a view to ascertaining the extent to which various effects such as stringer eccentricity, load eccentricity, and barreling influence the imperfection-sensitivity of these structures to buckling. In most cases, when these effects result in an increase in the buckling load of the perfect structure, they increase its imperfection-sensitivity as well. In some instances, however, barreling can significantly raise the buckling load of the shell while reducing its imperfection-sensitivity. The analysis, which is based on Koiter’s general theory of postbuckling behavior and is made within the context of Kármán-Donnell-type theory, takes into account nonlinear prebuckling deformations and different boundary conditions.

Copyright © 1969 by ASME
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