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Nonlinear analysis of collapse mechanism in superstructure vehicle

Mohd Nor , M. K. and Ho, C. S. and Ma’at, N. (2016) Nonlinear analysis of collapse mechanism in superstructure vehicle. In: 7th International Conference on Mechanical and Manufacturing Engineering, 1 - 3 August 2016, Jogjakarta, Indonesia.

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Official URL: doi: 10.1063/1.4981153

Abstract

The EU directive 2001/85/EC is an official European text which describes the specifications for “single deck class II and III vehicles” required to be approved by the regulation UN/ECE no.66 (R66). To prevent the catastrophic consequences by occupant during an accident, the Malaysian government has reinforced the same regulation upon superstructure construction. This paper discusses collapse mechanism analysis of a superstructure vehicle using a Crash D nonlinear analysis computer program based on this regulation. The analysis starts by hand calculation to define the required energy absorption by the chosen structure. Simple calculations were then performed to define the weakest collapse mechanism after undesirable collapse modes are eliminated. There are few factors highlighted in this work to pass the regulation. Using the selected cross section, Crash D simulation showed a good result. Generally, the deformation is linearly correlates to the energy absorption for the structure with low stiffness. Failure of critical members such as vertical lower side wall must be avoided to sustain safety of the passenger compartment and prevent from severe and fatal injuries to the trapped occupant.

Item Type: Conference or Workshop Item (Paper)
Subjects: H Social Sciences > HE Transportation and Communications
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Mechanical Engineering Technology
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 25 Sep 2018 08:20
Last Modified: 25 Sep 2018 08:20
URI: http://eprints.uthm.edu.my/id/eprint/10388
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