The composite of 3 D braided structure is a new kind of composites. Its shock damage resistant property, mechanical property and fire resistant property are fairly good.
三维编织结构复合材料是一种新型结构形式的复合材料，它具有优良的抗冲击损伤性能、力学性能和耐烧蚀性能。
Based on the unit-cell model of 3-d braided composites, the composite structure is meshed by the unit cells, then the stiffness of the cell-element is formulated.
本文从三维编织复合材料的细观单胞模型出发，将结构单胞作为离散单元对三维编织复合材料进行宏观网格剖分，建立了细观单胞元刚度矩阵的求解方法。
The investigation shows that FHDBC can reflect the real structure of 3 D braided fiber composites.
研究表明枝状胞体模型能较为真实的反映三维四向编织复合材料的结构构形；
Microstructural finite model of 3-d braided composites was set up on the basis of real geometry structure. The model was used to analyze penetration property of 3-d braided composites.
在三维编织复合材料真实几何结构基础上建立了细观结构有限元模型，分析了三维编织复合材料的弹道冲击性能。
Microstructural finite model of 3-d braided composites was set up on the basis of real geometry structure. The model was used to analyze penetration property of 3-d braided composites.
在三维编织复合材料真实几何结构基础上建立了细观结构有限元模型，分析了三维编织复合材料的弹道冲击性能。
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