Research Article
Dec 1975
The Computer in Shell Stability Analysis
Authors: B.O. Almroth and James H. StarnesAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 101, Issue 6
Abstract
Some examples in which the high-speed computer has been used to improve the static stability analysis capability for general shells are examined. The fundamental concepts of static stability are reviewed with emphasis on the differences between linear bifurcation buckling and nonlinear collapse. The analysis is limited to the stability of conservative systems. Three examples are considered. The problem of cylinders subjected to bending loads is used as an example to illustrate that a simple structure can have a sufficiently complicated nonlinear behavior to require a computer analysis for accurate results. An analysis of the problems involved in the modeling of stiffening elements in plate and shell structures illustrates the necessity that the analyst recognizes all important deformation modes. The stability analysis of the Skylab structure indicates the size of problems that can be solved with current state-of-the-art capability.
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Published In
Journal of the Engineering Mechanics Division
Volume 101 • Issue 6 • December 1975
Pages: 873 - 888
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Dec 1975
Published online: Feb 3, 2021
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B.O. Almroth
Sr. Staff Scientist, Lockheed Palo Alto Research Lab., Palo Alto, Calif.
James H. Starnes
Aerospace Engr., NASA Langley Research Center, Hampton, Va.
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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.