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The computer in shell stability analysisSome 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.
Document ID
19760032484
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Almroth, B. O.
(Lockheed Research Laboratories Palo Alto, Calif., United States)
Starnes, J. H., Jr.
(NASA Langley Research Center Hampton, Va., United States)
Date Acquired
August 8, 2013
Publication Date
December 1, 1975
Publication Information
Publication: American Society of Civil Engineers
Subject Category
Structural Mechanics
Accession Number
76A15450
Distribution Limits
Public
Copyright
Other

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