On the dynamic buckling of stochastically imperfect finite cylindrical shells under step loading

Ette, A. M.

doi:10.4314/jonamp.v8i1.39971

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2019

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“…In the same way, Bich et al [12], by using analytical approach, investigated the nonlinear static and dynamic buckling behaviour of eccentrically shallow shells and circular cylindrical shells based on Donnell shell theory. Relevant studies on the buckling analysis were investigated in [13] [14] [15] and [16] and Ette [17] [18] [19] [20] and [21].…”

Section: Introductionmentioning

confidence: 99%

On the Maximum Displacement and Static Buckling of a Circular Cylindrical Shell

Ozoigbo¹,

Ette²

2019

JAMP

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The static buckling load of an imperfect circular cylindrical shell is here determined asymptotically with the assumption that the normal displacement can be expanded in a double Fourier series. The buckling modes considered are the ones that are partly in the shape of imperfection, and partly in the shape of some higher buckling mode. Simply-supported boundary conditions are considered and the maximum displacement and the static buckling load are evaluated nontrivially. The results show, among other things, that generally the static buckling load, S λ decreases with increased imperfection and that the displacement in the shape of imperfection gives rise to the least static buckling load.

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