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Paper Title: Rollover analysis of complete bus super structure as per AIS031 using steel and composite material with advanced finite element method
Authors Name: Somesh G Ayyanagoudar , Suwarna Torgal
Unique Id: IJRTI1807015
Published In: Volume 3 Issue 7, July-2018
Abstract: Nowadays, highway traffic safety is a very important issue over the world. Everyday a noticeable number of vehicles are facing different types of accidents. Rollover is one of the severe types of accidents. Accidents due to rollover are very frequent over the world. Rollover fatalities have become a major safety issue. Most rollover crashes occur when a vehicle runs off the road or rotate sidewise on the road by a ditch, curb, soft soil, or other objects. Besides, the forward speed as well as the sideways speed of a vehicle causes rollover that greatly increases the extent of damage to the vehicle and its occupants during rollover. Rollover accidents are also very common and frequent in India. In most of the rollover accidents of buses, its roof faces strong impact with the surface of road. However, this impact leads to collapse of bus roof causing severe injury to the occupants and extreme damage to the frame of bus. It is difficult to capture and analyze bus superstructure against these rollover experimentally. Finite Element Analysis (FEA) is an imperative tool in automotive world for virtual validation of designs during early stages of development cycle. A robust approach in numerical simulation is required to achieve the desired results as rollover performance of complete vehicle is complex in nature and depends on many parameters of design. In present study, a finite element model of complete bus was developed using established method. Survival space templates for each passenger seat as described in AIS031 regulation also incorporated in the model. Analysis setup done for rollover event with every detail given in the regulatory test procedure. Angular rotational speed of the bus & kinetic energy just before the impact were calculated through basic principles of mechanics. Similar case was simulated using composite material of bus member and compared with the baseline case. Significant improvement and weight saving was achieved in case of composite material of bus super structure.
Keywords: FEA, Rollover, Bus, Safety
Cite Article: "Rollover analysis of complete bus super structure as per AIS031 using steel and composite material with advanced finite element method", International Journal of Science & Engineering Development Research (, ISSN:2455-2631, Vol.3, Issue 7, page no.96 - 102, July-2018, Available :
Downloads: 000719
Publication Details: Published Paper ID: IJRTI1807015
Registration ID:180332
Published In: Volume 3 Issue 7, July-2018
DOI (Digital Object Identifier):
ISSN Number: 2456 - 3315
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