Design of pedestrian friendly vehicle bumper |
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| Authors: | Tso-Liang Teng Van-Luc Ngo Trong-Hai Nguyen |
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| Affiliation: | (1) Daniel J. Epstein Department of Industrial and Systems Engineering, University of Southern California, 3715 McClintock Avenue, GER 201, Los Angeles, CA 90089, USA;(2) Department of Mechanical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, 21250, USA;(3) Department of Mechanical Engineering, Terman 523, Stanford University, Stanford, 94305, USA |
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| Abstract: | Car-pedestrian accidents take thousands of lives worldwide annually. Therefore, pedestrian protection is an important issue
in traffic safety. How to consider a pedestrian friendliness vehicle and then propose pedestrian protection methods are urgent
works for minimizing pedestrian injury. For designing a pedestrian friendly vehicle bumper, this study adopts the European
Enhanced Vehicle-safety Committee/ Working Group 17 (EEVC/WG17) regulations of legform impactor to bumper tests. Analyzing
the pedestrian friendliness of a vehicle bumper by using LS-DYNA is described in detail. Simulation results were analyzed
to identify the reasons for the unfriendliness. Furthermore, the analysis of the influence of bumper structure on pedestrian
leg was performed and then some guideline was suggested. The analyzed models and results obtained could help evaluate pedestrian
friendliness of a vehicle and guide the future development of pedestrian friendly vehicle technologies. |
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