针对四步方形编织结构,从三维编织工艺和实际的编织过程出发,提出一种单元几何模型,并通过计算机图形建模建立织物的空间几何数学模型,解决了三维编织复合材料内部编织结构分析困难的问题.该模型以携纱器循环一周返回到起始位置所形成的纱线编织结构作为单元,系统分析编织过程中纱线的空间运动规律,保证纤维束的连续性和材料整体结构的完整性.对每根纱线,选取它在编织体各个区域内合适的控制点,过这些控制点拟合成三次样条曲线,以此模拟纱线的空间结构中心线,从而能够方便直观地观察到各纱线具体走向.最后得到纱线和编织体的结构,从而便于下一步进行编织体复合材料力学性能的有限元分析.
参考文献
| [1] | TANG Z X;POSTLE R .Mechanics of three-dimensional braided structures for composite materials[J].Computers & Structures,2000,49(04):451-459. |
| [2] | WANG Y Q;WANG A S D .Microstructure/property relationships in three-dimensional braided fiber composites[J].Composites Science and Technology,1995,53:213-222. |
| [3] | MOURITZ A P;BANNISTER M K;FALZON P J .Review of application for advanced three-dimensional fiber textile composites[J].Composites Part A:Applied Science and Manufacturing,1999,30:1445-1461. |
| [4] | CHEN L;TAO X M;CHOY C L .On the microstructure of three-dimensional braided performs[J].Composites Science and Technology,1999,59:391-404. |
| [5] | ZENG TAO;WU L Z;GUO L .Mechanical analysis of 3D braided composites:a finite element model[J].Computers & Structures,2004,64(04):433-441. |
| [6] | LI W HAMMAD;SHIEKH A .Structural analysis of 3 D braided performs for composites[J].Journal of Textile Instutite,1990,81(40):515-537. |
| [7] | WANG Y Q;WANG A S D .On the topological yarn structure of 3D rectangular and tubular braided preforms[J].Composites Science and Technology,1994,51(04):575-586. |
| [8] | 陈利,李嘉禄,李学明,邱冠雄.三维方型编织预制件的纱线编织结构[J].复合材料学报,2000(03):1-5. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%