根据RTM工艺树脂流动充模模型,研究和开发了基于FEM/CV算法的RTM工艺复杂渗流充模过程数值模拟软件平台-BHRTM-2.BHRTM-2在视窗系统下运行,带有FEM网格捕捉器窗口可直观方便地设置注射口、溢料口和工艺参数,操作简单,能够模拟复杂边界制件的树脂流动充模过程、显示充模过程中任意时刻模腔内压力的分布场、流动前峰和预测充模时间及可能的干斑缺陷位置,为RTM工艺设计与优化提供了有效技术手段.文中对BHRTM-2的模拟结果的正确性和可靠性进行了理论与实验验证,并给出了具体算例.
参考文献
| [1] | Liu Baichen, Bickerton S, Advani S G. Molding and simulation of resin transfer molding (RTM)-gate control, venting and dryspot prediction [J]. Composite Part A, 1996, 27(2): 135-141. |
| [2] | Rudd C D, Long A C, Kendall K N ,et al. Liquid molding tech-nologies [M]. England: Woodhead Publishing Limited, 1997. 254-293. |
| [3] | Lin M, Hahn H T, Huh H. A finite element simulation of resintransfer molding based on partial nodal saturation and implicittime integration [J]. Composites Part A, 1998, 29:541-550. |
| [4] | Gauvin R, Trochu F, Diallo L. Permeability measurement andflow simulation through fiber reinforcement [J]. Polymer Com-posites, 1996, 17(1):149-158. |
| [5] | Cheng C Y, Hourng L W. Numerical simulation for the trans-verse impregnation in resin transfer molding [J]. Journal of Rein forced Plastics and Composites, 1998, 17(2):165 175. |
| [6] | 梁志勇,段跃新,尹明仁,等.复合材料RTM制造工艺计算机模拟分析研究.航空学报,2000,21(4):65-71. |
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