摘要
针对RFI工艺过程中的树脂在复杂形状预制件中的流动行为和固化过程进行数值分析,分别编写了基于控制体/有限元法和基于纯有限元法的流动模拟程序和固化程序。通过计算实例可见,所编写的有限元程序能很好地预测充模时间、各个时刻树脂的流动前沿位置、模腔中的压力分布和温度分布,树脂的固化反应程度及粘度变化情况。这对于优化成型工艺参数、控制残余应力以及提高产品质量具有重要的指导意义。
Numerical simulation is an economic and fast selection to investigate the resin film infusion process. In this paper, the flow behavior and cure process of resin of this technique in complex shape performs were analyzed, and a flow simulation code was compiled on control volume/finite element and pure finite element, respectively. Cure code was developed also. A simulation of an example showed that this code can be used to forecast the filling time, flow front, pressure and temperature distributing, cure degree and the viscosity of resin at any time of resin film infusion, which would help to optimize the process parameters, control residual stress and improve products quality.
出处
《武汉理工大学学报》
CAS
CSCD
北大核心
2005年第12期10-13,共4页
Journal of Wuhan University of Technology
基金
国家自然科学基金(50573060)
关键词
RFI工艺
树脂流动
固化
数值模拟
resin film infusion
resin flow
cure
numerical simulation
