Stability of Ring-Stiffened Tubular Members Under External Pressure

[+] Author and Article Information
S. A. Karamanos, J. L. Tassoulas

Department of Civil Engineering, The University of Texas, Austin, TX 78712-1076

J. Pressure Vessel Technol 117(2), 150-155 (May 01, 1995) (6 pages) doi:10.1115/1.2842102 History: Received April 06, 1994; Revised October 27, 1994; Online February 11, 2008


This paper presents results of a rigorous nonlinear finite element technique for the stability analysis of ring-stiffened steel tubes under external pressure. Large deformation, plasticity, as well as residual stresses and imperfections, are taken into account. Both internal and external stiffeners are simulated. A study of various parameters which affect pressure capacity is summarized, along with a comparison with available experimental data.

Copyright © 1995 by The American Society of Mechanical Engineers
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