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Evaluation of Fatigue Factor of Safety of a Jeep Chassis using FE


Waseem Akram A , Cambridge Institute of Technology; Manjunath T V, Cambridge Institute of Technology; Naveen Kumar A, Cambridge Institute of Technology


Fatigue Factor, FE


The automobile industries R&D team are continuously working on design optimization to improve the performance of the components, to reduce the cost of the product, improves its accessibility etc. without compromising in the safety, strength and its desired performance. The major sub systems of automobiles are Body in White (BIW), Chassis, power train, Seating assembly, Suspension systems, Hood, Doors and closures. For the commercial pickup trucks, the chassis are the main system on which body, closures, power train, suspension system and braking system etc. are mounted. In our project work we considered chassis system for the strength assessment. Under the light of performance assessment and weight optimization, the current thesis is concentrated on strength evaluation and weight optimization of chassis system. From the analysis it is clear that, baseline design doesn't meet the design specifications for one durability load case and does meet for rest all load cases and also indicates that there is a scope for weight optimization to reduce the weight. Design iteration is carried out to make the design pass for all durability load cases and also weight reduction of ~ 6% is achieved with the design iteration model.

Other Details

Paper ID: IJSRDV6I80019
Published in: Volume : 6, Issue : 8
Publication Date: 01/11/2018
Page(s): 94-97

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