基于EN15227标准长编动车组耐撞性研究
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摘要
依据EN 15227-2008+A1-2010标准对16辆长编动车组碰撞性能进行研究,首先通过列车能量分配优化计分析确定动车组吸能系统各吸能界面的平台力、吸能行程及吸能次序,使碰撞能量全部由可更换吸能单元吸收,保证车辆结构无损伤,并依据能量分配优化参数设计吸能单元及车体结构,最终建立16编组三维碰撞仿真分析模型应用LS-DYNA软件进行列车碰撞仿真验证,结果表明设计的16编组碰撞吸能系统满足列车防爬、司机室生存空间、碰撞减速度等标准要求.
According to the EN 15227-2008+A1-2010 standard, the crashworthiness of 16 series EMU is studied. First, the platform force, the energy absorption stroke and the energy absorption order of the energy absorption interface of the EMU system are determined by the train energy allocation optimer, so that all the collision energy can be made more from the train energy absorption system. The replaceable absorption energy unit is used to absorb crash energy without vehicle structure damage, and the energy absorption unit and the body structure are designed according to the optimal parameters of energy distribution. Finally, the 16 marshalling 3D collision simulation analysis model is established by using LS-DYNA software to verify the train collision simulation. The results show that the designed 16 marshalling collision energy absorption system meets the train anti creeping, driver room living space, collision deceleration and other standard requirements.
According to the EN 15227-2008+A1-2010 standard, the crashworthiness of 16 series EMU is studied. First, the platform force, the energy absorption stroke and the energy absorption order of the energy absorption interface of the EMU system are determined by the train energy allocation optimer, so that all the collision energy can be made more from the train energy absorption system. The replaceable absorption energy unit is used to absorb crash energy without vehicle structure damage, and the energy absorption unit and the body structure are designed according to the optimal parameters of energy distribution. Finally, the 16 marshalling 3D collision simulation analysis model is established by using LS-DYNA software to verify the train collision simulation. The results show that the designed 16 marshalling collision energy absorption system meets the train anti creeping, driver room living space, collision deceleration and other standard requirements.
引文
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[9]European Committee for Standardisation.BS EN 15227:2010 Crash worthiness requirements of railway vehicle bodies[S].[s.l.]:[s.n.],2010.
[10]雷成,肖守讷,罗世辉.城际动车组头车耐碰撞性研究[J].机车电传动,2013(1):60-63.
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[2]王晋乐,李幸人,张江田,等.机车吸能装置结构设计及其耐撞性研究[J].机车电传动,2013(6):36-39,55.
[3]雷成,肖守讷,罗世辉.轨道车辆切削式吸能装置吸能特性研究[J].中国机械工程,2013,24(2):263-267.
[4]张凯,许平,姚曙光.基于遗传算法的客运电力机车耐撞性优化设计[J].铁道科学与工程学报,2016,13(6):1186-1192.
[5]郑何妍,卢耀辉,赵智堂,等.汽车整车结构侧面耐撞性有限元数值模拟[J].装备环境工程,2017,14(12):45-50.
[6]Brian G.LS-DYNA Theory Manual[M].California: Livermore Software Technology Corporation (LSTC), 2018.
[7]李本怀.轨道客车能量分配快速分析方法及应用[J].大连交通大学学报,2017,38(1):26-29.
[8]LU ZJ,LI B H,YANG CX.Numerical and experimental study on the design strategy of a new collapse zone structure for Railway vehicles[J].Int.J.Crashworthiness ,2017,22(5):488-502.
[9]European Committee for Standardisation.BS EN 15227:2010 Crash worthiness requirements of railway vehicle bodies[S].[s.l.]:[s.n.],2010.
[10]雷成,肖守讷,罗世辉.城际动车组头车耐碰撞性研究[J].机车电传动,2013(1):60-63.
[11]李本怀,陈秉智.轨道车辆材料力学性能测试[J].大连交通大学学报,2015,36(1):29-33.