Study on the Effect of Age on the Lower Extremity Injury of Pedestrians

被引：1

作者：

Hu L. ^{[1
,2
]}

Chen K. ^{[1
,2
]}

Huang J. ^{[3
]}

Lin M. ^{[4
]}

机构：

[1] School of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha

[2] Hunan Province Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle, Changsha University of Science and Technology, Changsha

[3] State Key Laboratory of Advanced Design And Manufacturing for Vehicle Body, Hunan University, Changsha

[4] China Automotive Technology and Research Center, Tianjin

来源：

Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2020年 / 56卷 / 02期

关键词：

:car-pedestrian; Accident reconstruction; Age; Finite element; Logistic regression; Lower limb injury;

D O I：

10.3901/JME.2020.02.106

中图分类号：

学科分类号：

摘要：

In the accident of pedestrian collision, the lower limb is the main injured part. In order to improve the protection of pedestrians, the finite element model of pedestrian lower limbs with age difference is used to analyze the difference of pedestrian lower limb injury. According to the real pedestrian accident case from the China in-depth accident study(CIDAS) database, the PC-Crash software was used to reconstruct the accident, and the load and boundary conditions were set for the finite element model of the vehicle and pedestrian lower limb based on the output parameters of the accident reconstruction. By simulating the collision between the lower limbs and the sedan model, the differences between the young and the old groups were compared. The results discussed the shear displacement, bending angle, and the tensile force of the ligament and the bending moment and shear force of the long bone and further correlations between these injury parameters and severe AIS3+ injury were analyzed by logistic regression. Finally, the severe injury risk curves of young and old groups were obtained. The results showed that there was a difference in the risk of injury between the young group and the elderly group. When the probability of severe injury of AIS3+ was 50%, the damage threshold and tolerance limit of the long bone and kNee joint of the young group and the old group were obtained. The results of the study can provide a reference for the setting of age-related pedestrian lower limb injury assessment indicators. © 2020 Journal of Mechanical Engineering.

引用

页码：106 / 120

页数：14

共 47 条

[1]

Global report of road safety, (2015)

[2]

Otte D., J?nsch M., Haasper C., Injury protection and accident causation parameters for vulnerable road users based on GIDAS, Accident Analysis and Prevention, 44, pp. 149-153, (2012)

[3]

Hu L., Cheng Q., Huang J., Et al., A study on the influencing factors of cyclist's head injury in car-bicycle accidents, Automotive Engineering, 40, 11, pp. 44-51, (2018)

[4]

Hu L., Fang S., Chen Q., A research on the parameter influences of the accident reconstruction fora car-motorcycle collision based on orthogonal experiments, Automotive Engineering, 38, 5, pp. 567-573, (2016)

[5]

Hu L., Yi P., Huang J., Et al., Reconstruction and analysis of the vehicle-pedestrian crash accidents based on human injury characters, Journal of Mechanical Engineering, 46, 12, pp. 1435-1446, (2018)

[6]

Statistical annual report on road traffic accidents of the People's Republic of China(2016), (2016)

[7]

Zhou H., Xu S., Zhan J., Et al., Research on the overriding phenomenon during train collision based on FEM and MBS joint simulation, Journal of Mechanical Engineering, 53, 12, pp. 166-171, (2017)

[8]

Lu X., Gu X., Wang G., Et al., Reliability optimization on pedestrian flexible legform impact based on ensemble of metamodel, Journal of Mechanical Engineering, 52, 10, pp. 142-149, (2016)

[9]

Hu L., Dai X., Huang J., Et al., A study on parameter sensitivity in accident reconstruction model for car-pedestrian crash, Automotive Engineering, 39, 2, pp. 159-167, (2017)

[10]

Mizuno Y., Ishikawa H., Summary of IHRA pedestrian safety working group activities proposed test methods to evaluate pedestrian protection afforded by passenger cars, The Council of 19th International Technical Conference on the Enhanced Safety of Vehicles (ESV), (2005)

← 1 2 3 4 5 →