In the paper , the computational results of all models are obtained , including 3 - d velocity field , 3 - d pressure field , and six aerodynamic coefficients . the results have good agreement with wind tunnel test 文中得出了客车外围流场的速度矢量图和压力分布图以及六个气动力系数,并将最终结果与风洞试验结果进行了比较,结果吻合较好。