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RESEARCH PAPERS

On the Buckling Design of Spherical Shells

[+] Author and Article Information
J. Morton

Department of Aeronautics, Imperial College, London, U.K.

P. R. Murray, C. Ruiz

Department of Engineering Science, Oxford University, Oxford, U.K.

J. Pressure Vessel Technol 103(3), 261-266 (Aug 01, 1981) (6 pages) doi:10.1115/1.3263400 History: Received March 27, 1981; Online November 05, 2009

Abstract

Experimental results are interpreted in the light of numerical analaysis, imperfection sensitivity and Design Codes. Two cases are discussed: spherical shells under uniform external pressure and partly filled spherical shells, supported on a continuous equatorial ring. The imperfection sensitivity associated with the first loading case leads to the selection of safety factors that depend on the actual shell stiffness. The second case, in which the load results in a biaxial tension-compression state of stress, is treated approximately in terms of a plate under biaxial load.

Copyright © 1981 by ASME
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