Impact on bus superstructure due to rollover

Bus is a popular and common transport in the world. The safety of bus journey is a fundamental concern. The risk of injuries and fatalities is severe when the bus structure fails during a rollover accident. Adequate design and sufficient strength of the bus superstructure can reduce the number of in...

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Main Author:	Ali, Md. Liakat
Format:	Thesis
Language:	English
Published:	2008
Subjects:	TJ Mechanical engineering and machinery HE Transportation and Communications
Online Access:	http://eprints.utm.my/id/eprint/9537/1/MdLiakatAliMFKM2008.pdf
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id	my-utm-ep.9537
record_format	uketd_dc
spelling	my-utm-ep.95372018-06-29T21:50:52Z Impact on bus superstructure due to rollover 2008-11 Ali, Md. Liakat TJ Mechanical engineering and machinery HE Transportation and Communications Bus is a popular and common transport in the world. The safety of bus journey is a fundamental concern. The risk of injuries and fatalities is severe when the bus structure fails during a rollover accident. Adequate design and sufficient strength of the bus superstructure can reduce the number of injuries and fatalities. This study examines the deformation response of a typical bus structure during a rollover test simulation. A simplified box structure was modeled using finite element analysis software and simulated in a rollover condition according to the requirements of UNECE Regulation 66. The same box model was fabricated to validate the results obtained from finite element analysis simulation. After successful validation of the box model simulation, a complete bus structure with forty four passengersâ€™ capability was developed using finite element analysis software. The simulation of the bus was conducted using the same inputs used in box model simulation. Four simulations have been conducted to get the dimensions of different members of the superstructure of bus which is capable to protect rollover crash. The analysis suggested that, the failure of bus frame during rollover situation is basically dependent on the total mass of bus and on the strength of bus superstructure. 2008-11 Thesis http://eprints.utm.my/id/eprint/9537/ http://eprints.utm.my/id/eprint/9537/1/MdLiakatAliMFKM2008.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TJ Mechanical engineering and machinery HE Transportation and Communications
spellingShingle	TJ Mechanical engineering and machinery HE Transportation and Communications Ali, Md. Liakat Impact on bus superstructure due to rollover
description	Bus is a popular and common transport in the world. The safety of bus journey is a fundamental concern. The risk of injuries and fatalities is severe when the bus structure fails during a rollover accident. Adequate design and sufficient strength of the bus superstructure can reduce the number of injuries and fatalities. This study examines the deformation response of a typical bus structure during a rollover test simulation. A simplified box structure was modeled using finite element analysis software and simulated in a rollover condition according to the requirements of UNECE Regulation 66. The same box model was fabricated to validate the results obtained from finite element analysis simulation. After successful validation of the box model simulation, a complete bus structure with forty four passengersâ€™ capability was developed using finite element analysis software. The simulation of the bus was conducted using the same inputs used in box model simulation. Four simulations have been conducted to get the dimensions of different members of the superstructure of bus which is capable to protect rollover crash. The analysis suggested that, the failure of bus frame during rollover situation is basically dependent on the total mass of bus and on the strength of bus superstructure.
format	Thesis
qualification_level	Master's degree
author	Ali, Md. Liakat
author_facet	Ali, Md. Liakat
author_sort	Ali, Md. Liakat
title	Impact on bus superstructure due to rollover
title_short	Impact on bus superstructure due to rollover
title_full	Impact on bus superstructure due to rollover
title_fullStr	Impact on bus superstructure due to rollover
title_full_unstemmed	Impact on bus superstructure due to rollover
title_sort	impact on bus superstructure due to rollover
granting_institution	Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department	Faculty of Mechanical Engineering
publishDate	2008
url	http://eprints.utm.my/id/eprint/9537/1/MdLiakatAliMFKM2008.pdf
_version_	1747814749670735872

Impact on bus superstructure due to rollover

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