Research Article
Dec 1972
Symmetric Buckling of Inelastic Spherical Shells
Publication: Journal of the Engineering Mechanics Division
Volume 98, Issue 6
Abstract
A numerical method for determining the buckling loads and stresses for elastic-plastic spherical shells subjected to uniform external pressure is presented. No restriction is placed on shallowness in the analysis. The incremental theory of plasticity and the von Mises yield criterion are used in formulating the problem. The governing differential equations are formulated in terms of displacements and are solved with the aid of finite differences, an incremental-iterative technique, and a high speed digital computer. Buckling loads are taken as the first maximum of a load-average deflection curve. Numerical results are presented for a clamped spherical shell. Buckling loads are compared to the elastic complete sphere value and the limit analysis load. The relationship of the radius-thickness ratio to buckling stress is presented.
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Published In
Journal of the Engineering Mechanics Division
Volume 98 • Issue 6 • December 1972
Pages: 1417 - 1431
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Dec 1972
Published online: Feb 3, 2021
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Authors
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Robert K. Emerton
Struct. Engr., Grumman Aircraft Corp.
Nicholas F. Morris, M.ASCE
Assoc. Prof. of Civ. Engrg., New York Univ., Bronx, N.Y.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.