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Design and simulation of a rear underride protection device (RUPD)for heavy vehicles

Al-Bahash, Zeid Fadel and Ansari, M.N.M. Ansari and Shah, Qasim Hussain (2018) Design and simulation of a rear underride protection device (RUPD)for heavy vehicles. International Journal of Crashworthiness, 23 (1). pp. 47-56. ISSN 1358-8265

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Abstract

Every year, thousands of deaths are recorded worldwide due to crashes of small cars with heavy trucks. The highest risk during collision of passengers’ car with a truck is the intrusion of passengers’ compartment under the heavy truck rear underride leading to cause fatal injuries to passengers. Design of robust underride guard of truck is one of the significant factors that should be taken into consideration within design and enhancement of truck chassis. In this study, a new rear underride protection device (RUPD) based on FMVSS 223/224 regulations is developed to enhance the crashworthiness and reduce passenger compartment intrusion under heavy trucks during accident. Finite element simulation is utilised for performance analysis of the RUPD in LSDYNA. The results showed that the new RUPD design enhanced the energy absorption by 68.87% and reduced the occupant’s car deceleration by 66.116%. The new guard is able to avoid underride of Toyota Yaris (2010) colliding at 45, 54 and 63 km/h compared with the normal guard that failed under the same test conditions.

Item Type: Article (Journal)
Additional Information: 3653/56453
Uncontrolled Keywords: Rear underride protection device (RUPD); energy absorption; finite element
Subjects: T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL1 Motor vehicles
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Dr Qasim Hussain Shah
Date Deposited: 26 Apr 2017 08:36
Last Modified: 18 Dec 2018 16:21
URI: http://irep.iium.edu.my/id/eprint/56453

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