Structural Analysis of Bicycle Structure and Improvement Analysis using Analytical and Finite Element Analysis
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 6
Abstract
Bicycles are the common man mode of transportation for centuries. They are environmentally friendly and remote places can be easily accessed where road conditions are bad. Since it is essential member of common people, it has altered its shape, topology, design and mechanism for centuries. In the present work, a small effort is done to improve the frame structure and pedal design. Due to the advances in the numerical methods combined with high computing computers, virtual simulation is becoming alternative techniques for faster designs. In the present work, an existing bicycle structure is built using a three dimensional modeling software and drafted for dimensions. The individual members are exported to Hypermesh in ‘step’ file format for quality meshing which is not possible in Ansys software. The meshed geometry in ‘inp’ file format is again imported to Ansys for analysis. The analysis is carried out for the frame, fork and rim and results are captured for deformation and stress which are critical parameters of deciding the safety of the structural components. The result shows complete safety of the members for the given loading conditions. Both the stress and deformations are satisfying the functional requirements of safety. Finally a comparison is done for frame structure for weight, modal frequencies and stress conditions. The results shows new design has lesser weight and higher dynamic stability compared to the older or existing design. Similarly the pedal force requirements shows less pedal force with new design compared to the existing design which is based on sprocket type power transmission.
Authors and Affiliations
Venkat Harish S, Raghavendra K
Keywords
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