Abstract
This paper deals with the buckling of imperfect, thin, circular, cylindric, stiffened shells under the application of destabilizing loads, including uniform axial compression, lateral pressure, and torsion. The analysis includes individual load application as well as the case of combined loads. The methodology presented is based on the smeared technique, the Yon Karman-Donnell nonlinear kinematic relations, linear constitutive relations, and it considers the most general shape of a geometric imperfection. Numerical results for various configurations are presented. From the limited cases considered, one may conclude that stiffened configurations are not as sensitive as unstiffened ones, when loaded in torsion.
Published Version
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