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.

Issue Section:
Research Papers
Topics:
Buckling, Shells, Stress, Deflection, Deformation, Shallow spherical shells, Stability
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Copyright © 1966
 by ASME
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