城市轨道交通列车脱轨碰撞事故仿真研究  

Simulation Research on Train Derailment and Collision Accident in Urban Rail Transit

作　　者：卫亮 连海山 易甫清 WEI Liang;LIAN haishan;YI Fuqing(CRRC Zhuzhou Locomotive Co.,Ltd.,412001,Zhuzhou,China;The State Key Laboratory of Heavy-duty and Express High-power Electric Locomotive,412001,Zhuzhou,China;School of Electromechanical Engineering,Lingnan Normal University,524048,Zhanjiang,China;Yichun Open University,336001,Yichun,China)

机构地区：[1]中车株洲电力机车有限公司,株洲412001 [2]重载快捷大功率电力机车全国重点实验室,株洲412001 [3]岭南师范学院机电工程学院,湛江524048 [4]宜春开放大学,宜春336001

出　　处：《城市轨道交通研究》2024年第9期208-214,共7页Urban Mass Transit

摘　　要：[目的]针对2015年发生的一次城市轨道交通不锈钢车体列车脱轨事故的过程进行仿真,重现在复杂事故场景中的车体破坏的直接原因和过程。[方法]在调查事故场景和不锈钢车体结构与特点的基础上,使用有限元方法重建事故模型,分析了整个事故中车辆的速度、加速度、能量变化。[结果及结论]仿真研究的结果表明,事故发生时的巨大能量和地面的高低起伏,导致中间车辆发生爬车、蛇行及相互碰撞,是造成本次事故中不锈钢车体结构发生断裂失效的重要原因。车体断裂位置主要集中在驾驶室框架与底架、端墙与顶棚、底架与侧墙和端墙的连接处。[Objective]The process of a stainless steel train body derailment accident in urban rail transit in 2015 is simulated,reproducing the direct cause and process of the car body damage in the complex accident scene.[Method]Based on the investigation of the accident scene and the stainless steel car body structure and characteristics,the finite element method is used to reconstruct the accident model and analyze the changes of the speed,acceleration and energy of the train.[Result&Conclusion]Simulation results show that the intermediate cars climbing,snaking and colliding with each other caused by huge energy and rugged ground at the time of the accident forms the main reason for the fracture failure of stainless steel car body structure in the accident.The car body fractures mainly locate at the connections between the cab frame and the under-frame,the end wall and the roof,the under-frame and the side wall,as well as the under-frame and the end wall.

关 键 词：城市轨道交通 列车 不锈钢车体 脱轨碰撞 有限元仿真 事故重现 

分 类 号：U298.51[交通运输工程—交通运输规划与管理]