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<p>The time and computational challenges posed by nonlinear contact elements complicate the modal analysis of complex gear transmission systems. To address these issues, this study proposes a finite element modeling approach for gear transmission systems, where the gear pair is represented as a spring element. An equivalent criterion for the gears is derived, and a method for improved meshing stiffness calculation is introduced. The proposed approach is experimentally validated. The results demonstrate that the equivalent modeling technique effectively simplifies the representation of gear pairs in 3D finite element analysis. Furthermore, the discrepancies between the finite element analysis and experimental data are all less than 10%. These findings provide valuable insights for simulating complex gear transmission systems and have significant practical implications for engineering applications.</p>

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Finite Element Equivalent Modeling Method and Simulation Analysis of Cylindrical Gear Transmission System Based on Component Mode Synthesis

  • 期刊论文

  • 发表日期：

    2025年4月10日

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  • Jingwei Ding,
  • Guanghu Jin

摘要

The time and computational challenges posed by nonlinear contact elements complicate the modal analysis of complex gear transmission systems. To address these issues, this study proposes a finite element modeling approach for gear transmission systems, where the gear pair is represented as a spring element. An equivalent criterion for the gears is derived, and a method for improved meshing stiffness calculation is introduced. The proposed approach is experimentally validated. The results demonstrate that the equivalent modeling technique effectively simplifies the representation of gear pairs in 3D finite element analysis. Furthermore, the discrepancies between the finite element analysis and experimental data are all less than 10%. These findings provide valuable insights for simulating complex gear transmission systems and have significant practical implications for engineering applications.