Browse Publications Technical Papers 2023-28-0117
2023-11-10

Modeling and Analysis of Motorcycle Assembly for Dynamic Investigation 2023-28-0117

“The purpose of this study is to explore the structural behavior of motorcycle frames that are fabricated from metals such as steel and aluminum, and that are welded together to generate beams. The components of the wheel, handlebar, and saddle are assembled together to form the chassis of the bicycle. For the purpose of determining modal characteristics such natural frequencies and mode shapes, two different analytical approaches, namely finite element analysis (FEA) and experimental modal analysis (EMA), were utilized. The framework of the chassis was design in 3D using CAD software to carry out the FEA, and after specifying the meshing type and material parameters, normal mode analysis was carried out. To contrast modal characteristics with FEA results, EMA utilized impact hammer testing with a roving accelerometer approach. The study discovered differences between the two methods, which were effectively minimized to less than 10% by carrying out a model, update technique to increase the FEA model's precision. According to the results, model updating can help reduce differences between EMA and FEA and increase the accuracy of FEA models that are impacted by modeling difficulties and predictions of material characteristics.

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