Creep Buckling Under Varying Loads

[+] Author and Article Information
N. Miyazaki, S. Hagihara, T. Munakata

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

J. Pressure Vessel Technol 113(1), 41-45 (Feb 01, 1991) (5 pages) doi:10.1115/1.2928726 History: Received November 01, 1989; Revised October 10, 1990; Online June 17, 2008


Creep buckling analyses under stepwise varying loads are performed on a circular cylindrical shell with initial imperfection subjected to axial compression and a partial spherical shell under uniform external pressure. The finite element method is applied to a creep deformation analysis to obtain the critical time when creep buckling occurs. The results show that a linear cumulative damage rule for creep buckling can be well applied to the creep buckling of the circular cylindrical shell, but cannot to that of the partial spherical shell.

Copyright © 1991 by The American Society of Mechanical Engineers
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