摘要
应用商业CFD软件Fluent提供的动网格技术来处理会车过程,实现了会车过程的三维瞬态数值模拟。得到了会车过程的瞬态空气动力特性曲线,并且研究了不同相对车速对会车过程汽车瞬态空气动力特性的影响。研究结果表明:会车过程中两车气动力系数有类似正弦曲线的变化;随着相对车速增加,气动力系数变化趋势不断减小。
The dynamic meshing technique which offered by a commercial computational fluid dynamics software（ Fluent）was adopted to realize the 3-D transient numerical simulation of vehicles crossing each other. It has been the curve of the vehicle transient aerodynamic characteristic, and the influence of different vehicle speed on the vehicle transient aerodynamic characteristic during the crossing process has been research. It was show that the vehicle transient aerodynamic coefficients change sharply like sinusoidal functions. The trend of the aerodynamic coefficient is decreasing with the relative speed increasing.
出处
《农业装备技术》
2009年第6期15-17,共3页
Agricultural Equipment & Technology
基金
河南省自然科学基金(082300440100)
