An original modeling method of velocity-dependent mesh stiffness for spur gear system with centrifugal effect

IF 4.3 2区工程技术 Q1 ACOUSTICS

Journal of Sound and Vibration Pub Date : 2025-06-03 DOI:10.1016/j.jsv.2025.119210

Guoyin Mo , Lili Zhang , Yanan Shi , Hongguan Li , Guangshui Tong , Guangbin Yu , Penghao Duan , Jielu Zhang , Hanjun Jiang , Dayi Qu , Fuhao Liu

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引用次数: 0

Abstract

The driving speed and related centrifugal effects are major in determining mesh stiffness during the gear meshing process. However, many researchers commonly ignore these factors. In this work, an original computational algorithm (OCA) based on Euler beam theory that considers the centrifugal effect is presented for calculating the velocity-dependent time-varying mesh stiffness (VMS) of spur gears. Comparisons with the findings of finite element analysis (FEA) are used to verify the accuracy of the OCA. This study employs driving speed as the control parameter and analyzes the VMS in both the time and frequency domains. Furthermore, it investigates the effects of centrifugal force on the VMS across different materials. The results show that the driving speed affects both the VMS and the natural frequencies of gear pairs. It is noteworthy that while higher-density materials have the opposite effect, materials with a high elastic modulus tend to lessen the effect of driving speed on VMS. Further investigation into the noise and vibrations in gears caused by centrifugal effects can be theoretically supported by the findings presented in this work.

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一种具有离心效应的直齿轮系统速度相关啮合刚度建模方法

在齿轮啮合过程中，驱动速度和相关的离心效应是决定啮合刚度的主要因素。然而，许多研究人员通常忽略了这些因素。本文提出了一种考虑离心效应的基于欧拉梁理论的直齿轮速度时变啮合刚度计算方法。通过与有限元分析（FEA）结果的比较，验证了OCA的准确性。本研究以车速为控制参数，从时域和频域两方面对VMS进行了分析。此外，它还研究了离心力对不同材料的VMS的影响。结果表明，驱动速度对齿轮副的固有频率和VMS都有影响。值得注意的是，高密度材料具有相反的作用，而高弹性模量的材料往往会减轻驱动速度对VMS的影响。进一步研究由离心效应引起的齿轮噪声和振动，可以在理论上得到本研究结果的支持。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Sound and Vibration 工程技术-工程：机械

CiteScore

9.10

自引率

10.60%

发文量

551

审稿时长

69 days

期刊介绍： The Journal of Sound and Vibration (JSV) is an independent journal devoted to the prompt publication of original papers, both theoretical and experimental, that provide new information on any aspect of sound or vibration. There is an emphasis on fundamental work that has potential for practical application. JSV was founded and operates on the premise that the subject of sound and vibration requires a journal that publishes papers of a high technical standard across the various subdisciplines, thus facilitating awareness of techniques and discoveries in one area that may be applicable in others.