Analyzing the mechanical properties of 3-D braided composite structures by cell-element

被引：0
|
作者：
Xiu, Yingzhu [1 ]
Chen, Li [2 ]
Li, Jialu [2 ]
机构：
[1] Beijing Univ. of Aero. and Astron., Beijing 100083, China
[2] Composite Mat. Res. Inst., Tianjin Polytech. Univ., Tianjin 300160, China
来源：
Fuhe Cailiao Xuebao/Acta Materiae Compositae Sinica | 2003年 / 20卷 / 04期
关键词：
Finite element method - Stiffness matrix - Tensile properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A numerical method, cell-element method, which can be used to establish the relation between microstructure and macro-response in 3D braided composites is presented in this paper. Firstly, a 3-D braided composite structure is meshed by the unit cells, then based on the analysis of the micro-structure, the variables of the micro-structure are translated into the variables of macro-nodes, and the stiffness of the cell-element is formulated. The numerical results show that this method can feedback the response of macro-variables to any tiny change in the micro-structure.
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页码：63 / 66
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