Laboratory;
of;
Traffic;
Safety;
on;
Track;
of;
Ministry;
of;
Education;
(Central;
South;
University),;
Changsha;
410075,;
China;
of;
Traffic;
&;
Transportation;
Engineering,;
Central;
South;
University,;
Changsha;
410075,;
China;
空气动力学性能; 地形地貌; 高速列车; 不可压缩Navier-Stokes方程; 切割; 横风; 空气动力性能; 倾覆力矩;