NONLINEAR THEORY OF DYNAMIC STABILIT

NONLINEAR THEORY OF DYNAMIC STABILITY FOR LAMINATED COMPOSITE CYLINDRICAL SHELLS

Hamilton Principle was uaed to derive the general governing equations of nonlinear dynamic stability for laminated cylindrical shells in which, factors of nonlinear large deflection, transverse shear and longitudinal inertia force were concluded. Equations were solved by variational method. Analysis reveals that under the action of dynamic load,laminated cylindrical shells will fall into a state of parametric resonance and enter into the dynamic unstable region that causes dynamic instability of shells. Laminated shells of three tyhttp://sucai.excelvip.cn/lib/p/1wposites were computed: i.e. T300/5 208 graphite epoxy E-glass epoxy, and ARALL shells. Results show that all factors will induce important influence for dynamic stability of laminated shells. So, in research of dynamic stability for laminated shells, to consider these factors is important.

作 者： 周承倜 王列东   作者单位： Dalian University, Economic & Technical Development Zone, Dalian 116622, P R China  刊 名： 应用数学和力学(英文版)  EI SCI 英文刊名： APPLIED MATHEMATICS AND MECHANICS(ENGLISH EDITION)  年，卷(期)： 2001 22(1)  分类号： O342  关键词： composite material   cylindrical shell   dynamic stability   ARALL shell  

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