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材料研究学报  2009, Vol. 23 Issue (6): 622-627    
  研究论文 本期目录 | 过刊浏览 |
基于VOF/PLIC界面追踪方法的RTM工艺充模过程数值模拟
杨俊英1; 贾玉玺2; 丁妍羽2; 张国芳2
1.大连交通大学材料科学与工程学院 大连 116028
2.山东大学材料科学与工程学院 济南 250061
Numerical simulation of mold filling stage in resin transfer molding processes based on VOF/PLIC method
YANG Junying1; JIA Yuxi2; DING Yanyu2; ZHANG Guofang2
1.School of Materials Science & Engineering; Dalian Jiaotong University; Dalian 116028
2.School of Materials Science & Engineering; Shandong University; Jinan 250061
引用本文:

杨俊英 贾玉玺 丁妍羽 张国芳. 基于VOF/PLIC界面追踪方法的RTM工艺充模过程数值模拟[J]. 材料研究学报, 2009, 23(6): 622-627.
, , , . Numerical simulation of mold filling stage in resin transfer molding processes based on VOF/PLIC method[J]. Chin J Mater Res, 2009, 23(6): 622-627.

全文: PDF(1097 KB)  
摘要: 

针对基于Darcy定律的树脂传递模塑(RTM)工艺的充模过程数值模拟的局限性, 将纤维预制体内的充填流动作为两相流(树脂相和空气相)处理,
在动量方程中考虑了惯性项和粘性项, 采用有限体积方法(FVM)离散控制方程, 并与VOF/PLIC界面追踪方法相结合, 发展了求解树脂在纤维预制体内非稳态流动问题的数值模拟方法. 在此基础上开发了RTM工艺的充模过程数值模拟程序, 其算例的数值模拟结果与解析解或实验结果吻合良好,
验证了此数值模拟方法的有效性和可靠性.

关键词 材料科学基础学科  树脂浸润  数值模拟 有限体积法 界面追踪    
Abstract

Aimed at the limitation of the numerical simulation of resin transfer molding processes based on the Darcy law, the resin flow in the fiber preform was modeled as a two-phase (resin and air) fluid flow in porous media. The momentum equations considering the inertia and viscous terms were discretized by the finite volume method (FVM). Combining the FVM with the volume of fluid/piecewise linear interface construction (VOF/PLIC) approach, a new numerical simulation algorithm was presented to solve the transient flow problem, and then a numerical simulation program of the mold filling process was developed. There is a good agreement between the numerical results and the analytical solutions as well as experimental results, so the reliability of the new numerical simulation algorithm is validated.

Key wordsfoundational discipline in materials science     resin impregnation     numerical simulation    finite volume method    free surface tracking
收稿日期: 2008-12-05     
ZTFLH: 

TB332

 
基金资助:

国家重点基础研究发展计划2003CB615601资助项目.

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