A Comparison of Modeling Techniques for the Buckling of Stiffened Shells

by B. Moradi, Univ of Illinois, Urbana, United States,
I. D. Parsons, Univ of Illinois, Urbana, United States,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract:

Different techniques are used to compute the collapse loads of a family of stiffened shells. Large differences are observed between the various predictions. Detailed numerical studies of one particular shell show the importance of prebuckling deformations. This means that nonlinear bifurcation analyses are required to accurately determine the load carrying capacity of these structures.

Subject Headings: Failure loads | Load bearing capacity | Stiffening | Computer models | Shell structures | Deformation (mechanics) | Buckling

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