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Volume 42 Issue 10
Oct.  2016
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Journal of Beijing University of Aeronautics and Astronautics  > 2016  >  42(10): 2206-2213.
LIU Yanxue, WANG Jianjun, ZHANG Taoet al. Dynamic meshing characteristics analysis of spur gears based on LS-DYNA[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(10): 2206-2213. doi: 10.13700/j.bh.1001-5965.2015.0607(in Chinese)
Citation: LIU Yanxue, WANG Jianjun, ZHANG Taoet al. Dynamic meshing characteristics analysis of spur gears based on LS-DYNA[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(10): 2206-2213. doi: 10.13700/j.bh.1001-5965.2015.0607(in Chinese)
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Dynamic meshing characteristics analysis of spur gears based on LS-DYNA

doi: 10.13700/j.bh.1001-5965.2015.0607

  • School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 17 Sep 2015
  • Publish Date: 20 Oct 2016
    Abstract
  • Based on contact finite element analysis theory and explicit calculation method, the dynamic meshing process of gears could been simulated with high-fidelity by using LS-DYNA software. The precise finite element analysis model of a meshed gear in one experiment is built, its dynamic meshing process in experiment is simulated by using the above methods, and the dynamic vibration characteristics of gears are obtained through studying the numerical results. The results of numerical simulation through LS-DYNA software have good consistency with experiment results. The gear with thin rim and thin web has more chances to produce structural vibrations and its rim vibration is more obvious. The gear meshing load shared by rim and web would increase when the thickness of rim and web are reduced. When the web is not located at the center of face width, the axial force will appear in spur meshing process. Besides, the conditions of gear resonance and the method for determining gear resonance state are summarized.

     

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