Experimental Buckling Modes of Clamped Shallow Shells Under Concentrated Load

[+] Author and Article Information
F. A. Penning

The Martin Company, Denver, Colo.

J. Appl. Mech 33(2), 297-304 (Jun 01, 1966) (8 pages) doi:10.1115/1.3625041 History: Received April 05, 1965; Online September 15, 2011


Elastic stability of clamped shallow spherical shells subjected to a small finite-area load at the apex is studied experimentally. Upper and lower critical buckling loads and prebuckled and postbuckled deflections are found for λ between 10 and 17. Buckling modes have been observed and defined. Nonaxisymmetric deformations are noted. Shells for λ less than 8 1/2 exhibit plastic behavior and do not buckle.

Copyright © 1966 by ASME
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