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Effects of pedestrian gait, vehicle-front geometry and impact velocity on kinematics of adult and child pedestrian head
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- Peng, Yong (author)
- State Key Laboratory of Vehicle NVH and Safety Technology,Université de Strasbourg,University of Strasbourg,Hunan University
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- Deck, C. (author)
- Université de Strasbourg,University of Strasbourg
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- Yang, Jikuang, 1948 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- (creator_code:org_t)
- Informa UK Limited, 2012
- 2012
- English.
- In: International Journal of Crashworthiness. - : Informa UK Limited. - 1358-8265 .- 1754-2111. ; 17:5, s. 553-561
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The objective of the study is to investigate the effects of pedestrian gait, vehicle-front geometry and impact velocity on the dynamic responses of the head. The multi-body dynamic (MBD) models were used to simulate the head responses in vehicle to pedestrian collisions with different vehicle types in terms of head-impact point measured with Wrap Around Distance (WAD), head relative velocity and impact angle. Furthermore, the distribution of the head contact point on the vehicle fronts is analysed for a comparison of the contact point with the testing areas in the EEVC headform impactor test procedures. A simulation matrix is established using five vehicle types, two mathematical models of the pedestrians represented a 50th male adult and a 6-year-old child as well as seven pedestrian gaits based on typical postures in pedestrian accidents. In order to simulate a large range of impact conditions, four vehicle velocities (30 km/h, 40 km/h, 50 km/h and 60 km/h) are considered for each pedestrian position and vehicle type. The results indicated that the pedestrian gait and vehicle-impact velocity strongly influence head-impact condition. It is obvious that due to different vehicle-front geometry, the head-impact velocity, impact angle and head-impact point could be varied as well. This study provides suggestions for different head-impact conditions of subsystem test to the front part of different passenger vehicles.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
Keyword
- vehicle-front geometry
- collisions
- injuries
- head-impact conditions
- accidents
- pedestrian gait
- crash simulation
- impact velocity
Publication and Content Type
- art (subject category)
- ref (subject category)
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- ENGINEERING AND TECHNOLOGY
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