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三维编织复合材料制件的细观单胞元分析

, PP. 63-66

Keywords: 编织复合材料,有限元法,细观单胞元

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Abstract:

讨论了实现三维编织复合材料细观结构与宏观响应直接相关连的计算方法——细观单胞元法。该方法采用细观结构单胞作为离散单元对三维编织复合材料制件进行宏观网格剖分,在细观结构分析的基础上,将微结构上的物理量转换为细观单胞元的宏观节点变量,建立了细观单胞元刚度矩阵的求解方法。数值结果表明,该方法能反映细观结构参数的变化对材料宏观物理量的影响。

References

[1]  MaCL, YangLM, ChouTW. Elastic stiffness of three-dimensional braided textile structural composites ln: Composite Materials: Testing and Design, Seventh Conference . 1984: 404-421.
[2]  YangJM, MaCL, ChouTW. Fiber inclination model of three-dimensional textile structural composites[J]. J Compos Mater, 1986, 20: 472-483.
[3]  Whyte D. On the structure and properties of 3D braided composites . Philadelphia:Drexel University, 1986.
[4]  Lei C, Cai Y J, Ko F. Finite element analysis of 3-D braided composites [J]. Advances in Engineering Software, 1992(14):187-194.
[5]  Wu D L. Three-cell model and 3D braided structural composites [J]. Composites Science and Technology, 1996, 56: 225-233.
[6]  Chen L, Tao X M, Choy C L. Mechanical analysis of 3-D braided composites by finite multiphase element method[J]. Composites Science and Technology, 1999, 59(11): 2383-2391.
[7]  修英姝,陈 利,李嘉禄.三维编织复合材料的细观结构分析[J].宇航材料工艺,2001,31(3):19-22.

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