三维多向编织复合材料力学性能单胞几何模型的研究进展

Development of Investigation into Geometrical Unit Cell of 3D Multi-directional Braided Composites

针对三维多向编织复合材料的单胞几何模型进行了研究和探讨,并对国内外的研究方法和研究趋势进行了综述。介绍了近些年来国内外学者们对三维多向编织复合材料细观结构的不同研究,介绍了他们提出的单胞几何模型;总结三维多向编织复合材料几何模型的研究进展,特别介绍了三细胞模型和可变微单元几何模型。最后,就目前研究存在的问题进行了分析。

Researches and explorations on the unit cell model of 3D multi-direction braided composites are given in this paper and domestic and foreign research methods and research trends are reviewed. Through a series of studies, the paper introduces the unit cell model of 3D multi-direction braided composites which is differently researched by domestic and foreign researchers, and also shows various unit cell model; development of unit cell model of 3D multi-direction braided composites research is summarized. The emphasis is placed on the three-cell model and variable microstructural unit-cell geometric model. The existing problems of present study are analyzed.