Title: Validation of pedestrian impactor testing upon hybrid vehicle front end profile

Authors: Venkatason Kausalyah; Sivaguru Shasthri; Kassim A. Abdullah; Moumen M. Idres; Qasim H. Shah; Shaw Voon Wong

Addresses: Faculty of Mechanical Engineering, University Technology MARA, Seksyen 7, 40450 Selangor, Malaysia ' Faculty of Mechanical Engineering, University Selangor, Berjuntai Bestari, Selangor, Malaysia ' Department of Mechanical Engineering, Faculty of Engineering, International Islamic University Malaysia, Jalan Gombak, 50728 Kuala Lumpur, Malaysia ' Department of Mechanical Engineering, Faculty of Engineering, International Islamic University Malaysia, Jalan Gombak, 50728 Kuala Lumpur, Malaysia ' Department of Mechanical Engineering, Faculty of Engineering, International Islamic University Malaysia, Jalan Gombak, 50728 Kuala Lumpur, Malaysia ' Malaysian Institute of Road Safety Research (MIROS), Lot 125-135, Jalan TKS 1, Taman Kajang Sentral, 43000, Kajang, Selangor, Malaysia

Abstract: A large number of pedestrians are killed in traffic accidents each year and majority of these fatalities are caused by head injuries and leading to permanent damage. This paper presents the development of a hybrid vehicle front end profile and its validation against head and leg impactors. The vehicle model is represented by a simple vehicle hybrid front end profile consisting of multi body and finite element segments. Four piecewise vehicle parts validation is performed namely the windshield, cowl, hood and bumper. An adult headform obtained from TNO is used to impact the windshield, cowl and hood using the given conditions to study the head injury. Similarly, the hybrid vehicle profile is made to impact the TNO legform to assess the lower limb injuries. The injury criteria are represented in their various forms and the simulation results were compared with the experimental values. A good correlation was achieved.

Keywords: deformable hybrid modelling; headform impactor; legform impactor; head injury criteria; HIC; head angular acceleration; pedestrian impactor testing; hybrid vehicle front end profile; pedestrians; traffic accidents; head injuries; multibody dynamics; finite element analysis; FEA; vehicle bumpers; vehicle windshield; vehicle cowl; vehicle hood; lower limb injuries; simulation.

DOI: 10.1504/IJVSMT.2014.066510

International Journal of Vehicle Systems Modelling and Testing, 2014 Vol.9 No.3/4, pp.342 - 351

Published online: 30 Dec 2014 *

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