工艺与制造英文2020
真空辅助树脂注入工艺的二维数值模拟
2D Numerical Simulation of a Vacuum Assisted Resin Infusion
Adam Kazda, Pavel Peukert, Jan Novosád
摘要整理
本研究应用计算流体动力学（CFD）方法对真空辅助树脂注入（VARI）工艺进行数值模拟。研究中忽略了微观尺度行为，将模具中的纤维用多孔介质区域替代。对孔隙率系数方程进行了改进，使其能够根据实验输出数据进行计算。为简化实验过程，采用仅填充纤维的模具方案，省略了工业制造中常用的附加层。研究包含两个实验：第一个实验相对简单，用作模拟的输入条件；第二个实验的结果与数值模拟结果进行对比验证。通过改进的孔隙率模型和简化的实验设计，该研究为VARI工艺的工程应用提供了有效的数值预测方法，有助于优化树脂流动过程、减少制造缺陷。
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