A new higher-order shear deformation theory and refined beam element of composite laminates

被引：16
|
作者：
Chen, WJ [1 ]
Wu, Z [1 ]
机构：
[1] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116023, Peoples R China
来源：
ACTA MECHANICA SINICA | 2005年 / 21卷 / 01期
基金：
中国国家自然科学基金;
关键词：
laminated composite beam; higher-order shear deformation theory; refined beam element;
D O I：
10.1007/s10409-005-0011-4
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Anew higher-order shear deformation theory based on global-local superposition technique is developed. The theory satisfies the free surface conditions and the geometric and stress continuity conditions at interfaces. The global displacement components are of the Reddy theory and local components are of the internal first to third-order terms in each layer. A two-node beam element based on this theory is proposed. The solutions are compared with 3D-elasticity solutions. Numerical results show that present beam element has higher computational efficiency and higher accuracy.
引用
收藏
页码：65 / 69
页数：5
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