Dynamic Buckling of Imperfection-Sensitive Structures
[Technical Report, Technical Report]
HARVARD UNIV CAMBRIDGE MA
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Consideration is restricted to elastic buckling under suddenly applied dead loads maintained at a constant magnitude. Following a discussion of criteria for dynamic buckling, the implications of some simple imperfectionsensitive models are discussed. Next, on the basis of Koiters theory of post-buckling behavior general approximate theories of dynamic buckling are formulated and their relations to the simple models are studied. Finally, as particular examples, analyses are made of the dynamic buckling under suddenly applied axial loads of circular cylindrical shells, stiffened by longitudinal stringers, as well as unstiffened.