Theoretical And Experimental Validation Of Bike Chassis For Weight Reduction

It is important to recognize that the design of any machine is an interdisciplinary process involving aerodynamics thermodynamics fluid dynamics stress analysis vibration analysis the selection of materials and the requirements for manufacturing. The operation of any mechanical system will always produce some vibration. Our goal is to minimize the effect of these vibrations because while it is undesirable vibration is unavoidable. The result of excess vibration can vary from nuisance disturbance to a catastrophic failure. Bike chassis is a major component in a vehicle system. This work involves vibration analysis to determine the key characteristics of a bike chassis. The dynamic characteristics of bike chassis such as the natural frequency and mode shape were determined by using finite element FE method. Al material will replace the conventional MS material. Experimental modal analysis was carried out to validate the FE models. Predicted natural frequency and mode shape were validated against the experimental results. Finally the modification of the updated FE bike chassis model was proposed to reduce the vibration improve the strength and optimize the weight of the bike chassis. Tools used are catiaV5 for 3D modelling Hypermesh for meshing and Ansys for post processing.