School of Mechanical and Industrial Engineering

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Strength analysis of three wheeled vehicle’s chassis and body frame assembled in Ethiopia
(Addis Ababa University, 2013-10) Enawgew, Damtie; Abdi, Zewdu (Prof.)
Three-wheeled vehicles are becoming a popular and common means of short distance transport in Ethiopia. It is significant to know the current strength situation of three wheeled vehicle frames to be confident on their load carrying capacity, service and use. They are antiquated, unsafe and highly polluting, so there is substantial room for improvement in this huge market. A new three wheeled vehicle is designed, safer, more modern and easier to manufacture. This had achieved by modeling and analyzing the existing three wheeled vehicle model and by modeling a new three wheeled vehicle that alleviate the shortcomings in the existing model using different software like CATIA AND ANSYS. The main thing done was changing semi-monocoque type of the existing structure to a space frame. The result that we obtained was also such a better in strength and stiffness, easy to manufacture and cost effective. The purpose of this project is to document procedural details of such remodeling, with a view to presenting more research and development oriented investigations in the future. The contents of this report may also be of interesting to practicing engineers engaged in prototype development and field testing of three wheeled vehicles.