Stress and Deflection Analysis of Rear Shock Absorbers of Tubular and Non-Tubular Types on Honda Beat-FI Motorcycles Using SolidWorks Software
Abstract
The rear shock absorber is a critical component in motorcycle suspension systems, functioning to reduce vibrations and maintain vehicle stability. Structural failure of this component may occur when excessive stress and deflection exceed the material’s allowable limits. This study aims to analyze and compare the stress and deflection characteristics of tube-type and non-tube-type rear shock absorbers used in the Honda Beat FI motorcycle. The analysis was conducted using the Finite Element Method (FEM) through SolidWorks Simulation. Three-dimensional models of both shock absorber designs were developed and subjected to a static load of 800 N, representing normal operating conditions. The material properties were assumed to be homogeneous and isotropic. The simulation evaluated Von Mises stress, strain, total displacement, and factor of safety to assess structural performance. The results indicate that the maximum Von Mises stress occurred at the lower mounting region for both designs. The tube-type shock absorber exhibited a maximum stress of 465.78 MPa and a maximum displacement of 1.6951 mm, whereas the non-tube-type shock absorber showed a maximum stress of 448.19 MPa and a displacement of 1.7983 mm. Comparative analysis reveals that the tube-type shock absorber demonstrates lower deflection and a more stable structural response compared to the non-tube-type design. Both models remain within safe operating limits; however, the lower mounting region is identified as the most critical area. The findings of this study provide valuable insights for the optimization and development of motorcycle suspension systems with improved structural reliability
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