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Effects of Vehicle Impact Velocity on Pedestrian Fatal Injury Risk

Yong Han ; Jikuang Yang (Institutionen för tillämpad mekanik, Fordonssäkerhet) ; Koji Mizuno ; Yasuhiro Matsui
Chinese Journal of Automotive Engineering (2095-1469). Vol. 1 (2011), 4, p. 399-406, DOI: 10.3969/j.issn.2095-1469.2011.04.020.
[Artikel, refereegranskad vetenskaplig]

The effect of the vehicle speed and vehicle front shape on pedestrian fatal injury risk was investigated. The THUMS pedestrian and four vehicle FE models with different front-ends (medium sedan, minicar, one-box vehicle and SUVs) was used. The pedestrian injury risk was analyzed at speed 20, 30, 40 and 50 km/h. The results demonstrate that the impact speed and vehicle front shape are two important factors influence of the pedestrian kinematics and injuries. A significant reduction of all injuries can be achieved if the impact speed is less than 30 km/h. Head was at high injury risk in medium sedan and SUV collisions. Chest injuries risk was particular high in one-box vehicle impacts. In the minicar collision, the injury risk was the smallest if head without contact to the A-pillar. The design tendency of short front-end and wide windscreen area can be achieved the protection of the pedestrian from fatalities.

Nyckelord: Vehicle to pedestrian collision; fatal injury risk; vehicle impact velocity; vehicle front shape; Finite element analysis



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Denna post skapades 2011-11-21. Senast ändrad 2014-09-29.
CPL Pubid: 148797