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TECHNICAL BRIEFS

A Note on Buckling of Spherical Caps With Initial Asymmetric Imperfections

[+] Author and Article Information
R. Kao

Department of Civil and Mechanical Engineering, The Catholic University of America, Washington, D. C.

J. Appl. Mech 39(3), 842-844 (Sep 01, 1972) (3 pages) doi:10.1115/1.3422809 History: Received December 01, 1971; Revised February 01, 1972; Online July 12, 2010

Abstract

A formulation for spherical cap strain-displacement relations including initial imperfections is adopted which is based on Donnell-type nonlinear cylindrical shell theory. A series of runs was made to determine the asymmetric buckling pressures for the spherical caps with 90-deg pie-shaped imperfection segments. Results obtained for λ values of 6 and 8 are indeed lower than those obtained previously.

Copyright © 1972 by ASME
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