超高速列车隧道气动效应的主动吹/吸气控制策略
李文辉,刘忠健,陆志康,顾轶凡,丁芃芃

Active blowing/suction control strategy for mitigating aerodynamic effects of ultra-high-speed trains in tunnels
Wenhui LI,Zhongjian LIU,Zhikang LU,Yifan GU,Pengpeng DING
表 1 不同网格密度下列车-隧计算域网格尺寸
Tab.1 Mesh sizes for train-tunnel computational domain under different grid densities
参数数值
粗网格中网格细网格
列车表面/m0.040.020.01
隧道轴向区域/m1.00.50.2
隧道径向区域/m0.40.20.1
外部轴向区域/m1.20.80.4
单元数量/1069.617.929.8
隧道内压力相对误差εp/%2.91.2—