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Nonlinear static and dynamic analysis for laminated,annular, spherical caps of moderate thickness
Authors:Y K Cheung  Y M Fu
Institution:(1) Department of Civil and Structural Engineering, University of Hong Kong, Hong Kong;(2) Department of Engineering Mechanics, Hunan University, Changsha, Hunan, Peoples' Republic of China
Abstract:Based on Timoshenko-Mindlin kinematic hypothesis, the shallow shell theory is extended to include the transverse shear deformation for the nonlinear axisymmetric dynamic analysis of the symmetric cross-ply shallow spherical shell. Using the orthogonal point collocation method and the Newmark scheme, an iterative solution is formulated. The numerical results for the nonlinear static and dynamic responses and dynamic buckling of these shallow spherical shells with circular holes under uniformly distributed static or dynamic normal impact loads are presented and compared with available data.
Keywords:Laminated spherical caps  static and dynamic analysis  transverse shear deformation  nonlinear
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