The main work is focused on such aspects as follows:1) According to the characteristics of the RTM process, the fundamental model and pressure governing equation are established for the isothermal flow of 3D thin wall part.

• 1) 针对RTM工艺树脂浸润增强体的特点，从Darcy定律以及质量守恒定律出发，建立了三维薄壁制件等温充模流动的理论模型和控制方程。