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1.大功率交流传动电力机车系统集成国家重点实验室,湖南 株洲 412001
2.中车株洲电力机车有限公司,湖南 株洲;412001
岳译新(1981—),男,硕士,正高级工程师,研究方向为动车组车体研发;E-mail: yueyixin2013@163.com
纸质出版日期:2022-09-10,
收稿日期:2022-06-21,
修回日期:2022-08-25,
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岳译新, 朱卫. 动车组与大型动物高速碰撞的安全性研究[J]. 机车电传动, 2022,(5):28-34.
YUE Yixin, ZHU Wei. Research on safety of EMUs under high-speed collision with large animals[J]. Electric drive for locomotives, 2022,(5):28-34.
岳译新, 朱卫. 动车组与大型动物高速碰撞的安全性研究[J]. 机车电传动, 2022,(5):28-34. DOI: 10.13890/j.issn.1000-128X.2022.05.005.
YUE Yixin, ZHU Wei. Research on safety of EMUs under high-speed collision with large animals[J]. Electric drive for locomotives, 2022,(5):28-34. DOI: 10.13890/j.issn.1000-128X.2022.05.005.
为研究动车组与大型动物高速撞击下的安全性,通过实物扫描和数据处理得到鹿的三维曲面模型,建立鹿的有限元层叠模型,选用弹塑性材料模拟鹿的身体骨骼,在材料属性参数中通过输入塑性失效应变模拟骨骼破坏,选用线弹性材料本构模型模拟鹿的肌肉和皮肤,并进行摆锤侧面碰撞仿真验证。通过分析动物穿过轨道时与动车组车头的位置关系,参照CEN/TR 17420:2020标准中有轨电车与行人发正面碰撞和偏置碰撞的定义,设置列车以最高运营速度160 km/h与侵入轨道的鹿发生正面碰撞和偏置碰撞2种碰撞场景。有限元仿真分析结果显示:在正面碰撞场景下,头车车体的平均减速度最大,在任意30 ms和120 ms间隔内最大平均减速度分别为0.73
g
和0.21
g
,低于EN 15227标准规定的10
g
和5
g
要求;轮对最大抬升量为1.64 mm,远小于轮缘名义高度28 mm的75%。在偏置碰撞场景下,头车车体的平均减速度最大,在任意30 ms和120 ms间隔内最大平均减速度分别为0.53
g
和0.13
g
,低于EN 15227标准规定的10
g
和5
g
要求;轮对最大抬升量为1.75 mm,远小于轮缘名义高度 28 mm的75%。在2种碰撞场景下,车体结构、车钩、防爬器、主吸能器和排障器均未发生塑性变形,所有评价指标均满足EN 15227:2020标准的规定要求,说明设计的动车组安全可靠,车体能够承受鹿或其他大型动物的高速撞击。
In order to study the safety of EMUs under high-speed collision with large animals
a three-dimensional curved surface model of deer was generated through physical scanning and data processing
and then a finite element stack model of deer was established. With a kind of elastic-plastic material selected to simulate deer’s body skeleton
which can simulate skeleton damage by inputting the plastic failure strain in the parameter field of material attributes
and a constitutive model of linear elastic materials was selected to simulate their muscle and skin
and the pendulum side collisions were carried out for verification. By ana
lyzing the spatial relationship between the EMUs head and animals crossing the track
and referring to the definitions of frontal collision and offset collision between trams and pedestrians specified in CEN/TR 17420: 2020 standard
two collision scenarios
i.e. frontal collision and offset collision
were set between the train at the maximum operating speed of 160 km/h and deer invading the track. The results of the finite element simulation analysis are as follows. Under the frontal collision scenario
the mean deceleration of the body of the head car is the highest
and the maximum mean deceleration in any 30 ms and 120 ms intervals is 0.73
g
and 0.21
g
respectively
which is lower than the requirements of 10
g
and 5
g
specified in EN 15227 standard; The maximum wheelset lifting amount is 1.64 mm
which is far less than 75% of the nominal flange height of 28 mm. In the offset collision scenario
the mean deceleration of the body of the head car is the highest
and the maximum mean deceleration in any 30 ms and 120 ms intervals is 0.53
g
and 0.13
g
respectively
which is lower than the requirements specified of 10
g
and 5
g
in EN 15227 standard; The maximum wheelset lifting amount is 1.75 mm
which is far less than 75% of the nominal flange height of 28 mm. Under the two collision scenarios
the carbody structure
coupler
anti-creeper
main energy absorber and pilot are free of plastic deformation
and all the evaluation indicators meet the requirements of EN 15227:2020 standard
which indicates that the designed EMUs is safe and reliable
and the carbody can withstand high-speed collisions of deer or other large animal.
动车组大型动物防撞性安全性有限元仿真
EMUslarge animalcrashworthinesssafetyfinite elementsimulation
刘青波, 邢海英, 邓海, 等. CRH5型动车组碰撞吸能结构研究[J]. 大连交通大学学报, 2014, 35(5): 13-16.
LIU Qingbo, XING Haiying, DENG Hai, et al. Collision energy absorbing structure research of CRH5 EMU[J]. Journal of Dalian Jiaotong University, 2014, 35(5): 13-16.
苏永章, 岳译新, 朱卫, 等. 铰接式动车组车体防撞性设计[J]. 电力机车与城轨车辆, 2019, 42(3): 27-30.
SU Yongzhang, YUE Yixin, ZHU Wei, et al. Crashworthiness design of articulated EMU car body[J]. Electric Locomotives & Mass Transit Vehicles, 2019, 42(3): 27-30.
杨超. 列车碰撞动力学关键问题研究[D]. 成都: 西南交通大学, 2016.
YANG Chao. Research on key issues of train collision dynamics[D]. Chengdu: Southwest Jiaotong University, 2016.
朱涛, 肖守讷, 杨超, 等. 机车车辆被动安全性研究综述[J]. 铁道学报, 2017, 39(5): 22-32.
ZHU Tao, XIAO Shoune, YANG Chao, et al. State-of-the-art development of passive safety of rolling stocks[J]. Journal of the China Railway Society, 2017, 39(5): 22-32.
卫亮. 基于损伤断裂模型的地铁车辆碰撞事故仿真研究[D]. 北京: 北京交通大学, 2021.
WEI Liang. Simulation study of subway vehicle collision based on damage and fracture model[D]. Beijing: Beijing
Jiaotong University, 2021.
刘彬, 肖守讷, 杨冰, 等. 吸能装置对列车碰撞能量吸收的影响研究[J]. 机车电传动, 2019(5): 29-33.
LIU Bin, XIAO Shoune, YANG Bing, et al. Study on impacts of energy absorbing devices on train collision energy absorption[J]. Electric Drive for Locomotives, 2019(5): 29-33.
秦睿贤. 高速列车碰撞过程中的能量吸收研究[D]. 大连: 大连交通大学, 2019.
QIN Ruixian. Energy absorption research of high-speed train collision[D]. Dalian: Dalian Jiaotong University, 2019.
CEN/TC 256. Railway applications - Crashworthiness requirements for rail vehicles: EN 15227: 2020[S]. Brussels: Comite Europeen de Normalisation, 2020.
左建勇, 朱晓宇, 吴萌岭. 高速列车风阻制动风翼抗鸟撞分析[J]. 振动与冲击, 2014, 33(22): 30-34.
ZUO Jianyong, ZHU Xiaoyu, WU Mengling. Numerical analysis of anti-bird impact performance of aerodynamic brake wing on high-speed train[J]. Journal of Vibration and Shock, 2014, 33(22): 30-34.
邹金兰, 刘红武. 基于逆向工程与快速成型技术的发动机气道设计[J]. 新技术新工艺, 2010(7): 20-23.
ZOU Jinlan, LIU Hongwu. Air intake of engine design based on reverse engineering and rapid prototyping technique[J]. New Technology & New Process, 2010(7): 20-23.
朱卫, 张海. 岳译新,等. 侵入物高速撞击下铰链式动车组的安全性[J]. 计算机辅助工程, 2021, 30(4): 41-46.
ZHU Wei, ZHANG Hai, YUE Yixin, et al. Safety of articulated EMU under high-speed impact of invader[J]. Computer Aided Engineering, 2021, 30(4): 41-46.
杨然, 陈君毅, 王宏雁. 点焊连接的有限元建模方法研究[J]. 汽车工程学报, 2011, 1(5): 448-454.
YANG Ran, CHEN Junyi, WANG Hongyan. Research on
finite element modeling of spot weld-bonded joints[J].
Chinese Journal of Automotive Engineering, 2011, 1(5): 448-454.
周芬. 汽车碰撞人体腹部有限元模型构建与关键技术研究[D]. 广州: 华南理工大学, 2012.
ZHOU Fen. Finite element modeling of human abdomen for automotive impact injury and key techniques in simulation[D]. Guangzhou: South China University of Technology, 2012.
CEN/TC 256. Railway applications - Vehicle end design for trams and light rail vehicles with respect to pedestrian safety: CEN/TR 17420: 2020[S]. Brussels: Comite Europeen de Normalisation, 2020.
吴启凡, 肖守讷, 杨超, 等. 参数化列车碰撞平台的动力学建模与仿真[J]. 动力学与控制学报, 2021, 19(4): 39-47.
WU Qifan, XIAO Shoune, YANG Chao, et al. Dynamic modeling and simulation of a parametric vehicle collision platform[J]. Journal of Dynamics and Control, 2021, 19(4): 39-47.
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