Creep Buckling Analyses of Circular Cylindrical Shells Under Axial Compression—Bifurcation Buckling Analysis by the Finite Element Method

[+] Author and Article Information
N. Miyazaki

Department of Chemical Engineering, Kyushu University, Hakozaki, Higashi-ku, Fukuoka-shi, Fukuoka-ken, Japan

J. Pressure Vessel Technol 109(2), 179-183 (May 01, 1987) (5 pages) doi:10.1115/1.3264892 History: Received November 26, 1985; Online November 05, 2009


The finite element method is applied to the creep buckling of circular cylindrical shells under axial compression. Not only the axisymmetric mode but also the bifurcation mode of the creep buckling are considered in the analysis. The critical time for creep buckling is defined as either the time when a slope of a displacement versus time curve becomes infinite or the time when the bifurcation buckling occurs. The creep buckling analyses are carried out for an infinitely long and axially compressed circular cylindrical shell with an axisymmetric initial imperfection and for a finitely long and axially compressed circular cylindrical shell. The numerical results are compared with available analytical ones and experimental data.

Copyright © 1987 by ASME
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