A global-local higher order theory for multilayered shells and the analysis of laminated cylindrical shell panels

被引：45
|
作者：
Zhen, Wu [1 ,2 ]
Chen Wanji [1 ,2 ]
机构：
[1] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116023, Peoples R China
[2] Shenyang Inst Aeronaut Engn, Dept Aeronaut & Astronaut, Shenyang 110034, Peoples R China
来源：
COMPOSITE STRUCTURES | 2008年 / 84卷 / 04期
基金：
中国国家自然科学基金;
关键词：
global-local superposition technique; global-local higher order laminated shell model; transverse shear stress continuity; thermal stress;
D O I：
10.1016/j.compstruct.2007.10.006
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Based on the global-local superposition technique proposed by Li and Liu [Li XY, Liu D. Generalized laminate theories based on double superposition hypothesis. Int J Numer Meth Eng 1997;40:1197-212.], a global-local higher order laminated shell model is proposed for predicting both displacement and stress distributions through the thickness of laminated shells. This shell model satisfies transverse shear stress continuity conditions at interfaces as well as free surface conditions of transverse shear stresses. The merit of this model is that transverse shear stresses can be accurately predicted directly from constitutive equations without smoothing techniques. Cylindrical bending of laminated and sandwich shell panels is chosen to assess the present model wherein the results from several 2D laminated shell models and three-dimensional elasticity solution are available for comparison. In addition, thermal bending and thermal expansion of laminated cylindrical shell panels are also considered in this paper. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：350 / 361
页数：12
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