Trunk impact conditions in real PTW accidents based on multibody numerical reconstructions

IF 1.9 3区工程技术 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Traffic Injury Prevention Pub Date : 2025-10-03 Epub Date: 2025-01-12 DOI:10.1080/15389588.2025.2452326

Selim Cheaibi , Maxime Llari , Thibaut Deville , Wei Wei , Oscar Cherta-Ballester , Valentin Honoré , Catherine Masson , Thierry Serre

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Abstract

Objective

In Europe, Powered Two-Wheelers (PTW) riders are involved in 15% of all traffic fatalities and the most serious injuries are sustained on the trunk and the head. The aim of this work is to study motorcyclist impact conditions through the reconstruction of 8 real accidents leading to AIS3+ trunk injuries.

Methods

Based on multi-body simulations, key parameters such as impact speed, body impact angles and impacted obstacles are deeply analyzed to determine their influence on injury severity.

Results

Oblique and lateral impacts tend to increase the risk of rib fractures. Trunk impacts against vehicles show predominant normal speed components (25–40 km/h), while impacts with the ground have higher tangential speeds (40–50 km/h). Two main impact configurations for the trunk are proposed to reproduce impact conditions during PTW accidents causing AIS3+ trunk injuries.

Conclusion

This study allows a better understanding of trunk injury mechanisms in PTW accidents and can be used to improve protective device design.

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基于多体数值重建的真实PTW事故主干碰撞条件。

目的：在欧洲，动力两轮车（PTW）的骑手占所有交通事故死亡人数的15%，最严重的伤害发生在躯干和头部。本工作的目的是通过重建8起导致AIS3+躯干损伤的真实事故，研究摩托车手的碰撞状况。方法：在多体仿真的基础上，深入分析碰撞速度、身体碰撞角度、碰撞障碍物等关键参数对损伤严重程度的影响。结果：斜向和外侧撞击容易增加肋骨骨折的风险。躯干对车辆的撞击显示出主要的正常速度分量（25-40 km/h），而对地面的撞击具有更高的切向速度（40-50 km/h）。提出了两种主要的干线冲击配置，以再现PTW事故造成AIS3+干线损伤时的冲击条件。结论：本研究有助于了解PTW事故中躯干损伤的机制，并可用于改进防护装置的设计。

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来源期刊

Traffic Injury Prevention PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-

CiteScore

3.60

自引率

10.00%

发文量

137

审稿时长

3 months

期刊介绍： The purpose of Traffic Injury Prevention is to bridge the disciplines of medicine, engineering, public health and traffic safety in order to foster the science of traffic injury prevention. The archival journal focuses on research, interventions and evaluations within the areas of traffic safety, crash causation, injury prevention and treatment. General topics within the journal''s scope are driver behavior, road infrastructure, emerging crash avoidance technologies, crash and injury epidemiology, alcohol and drugs, impact injury biomechanics, vehicle crashworthiness, occupant restraints, pedestrian safety, evaluation of interventions, economic consequences and emergency and clinical care with specific application to traffic injury prevention. The journal includes full length papers, review articles, case studies, brief technical notes and commentaries.