| 非充气轮胎的滚动越障振动仿真分析 |
| Simulation Analysis of Rolling Obstacle Crossing Vibration of Non-pneumatic Tire |
| 投稿时间：2022-09-27 修订日期：2022-09-27 |
| DOI：10.12136/j.issn.1000-890X.2024.02.0138 |
| 中文关键词: 非充气轮胎 滚动越障 振动特性 仿真分析 |
| 英文关键词: non-pneumatic tire rolling obstacle crossing vibration characteristic simulation analysis |
| 基金项目:国家自然科学基金资助项目（52072156） |
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| 中文摘要: |
| 采用仿真分析方法探究非充气轮胎的滚动越障振动特性。建立非充气轮胎的有限元模型，对辐条式原始非充气轮胎（简称原始轮胎）和轮辐仿生优化非充气轮胎（简称优化轮胎）的滚动越障振动进行仿真分析，研究滚动速度和障碍物高度对原始轮胎和优化轮胎的径向和纵向振动的影响，以及两种轮胎的振动特性与其滚动越障时接地压力峰值标准差之间的关系。结果表明：越障时滚动速度和障碍物高度的增大会加剧非充气轮胎的径向和纵向振动；与原始轮胎相比，优化轮胎的减振效果主要体现在滚动速度和障碍物高度变化时其振动特性较为平稳；接地压力峰值标准差能够在一定程度上表征非充气轮胎的振动强度。非充气轮胎的滚动越障振动仿真分析为其动态特性研究奠定了一定的理论基础，对提高车辆的稳定性具有重要的意义。 |
| 英文摘要: |
| The simulation analysis method was used to explore the rolling obstacle crossing vibration characteristics of the non-pneumatic tire.The finite element model of the non-pneumatic tire was established，the rolling obstacle crossing vibrations of the spoke type original non-pneumatic tire（referred to as the original tire） and spoke bionic optimized non-pneumatic tire（referred to as the optimized tire）were simulated and analyzed，and the effects of the rolling speeds and the obstacle heights on the radial and longitudinal vibration of the original tires and optimized tires were investigated，as well as the relationship between the vibration characteristics and the standard deviations of the grounding pressure during the two kinds of tires obstacle crossing.The results showed that the increase of the rolling speeds and obstacle heights during the two kinds of tires obstacle crossing would exacerbate the radial and longitudinal vibrations.Compared to the original tire，the vibration reduction effect of the optimized tire was mainly reflected in its stable vibration characteristics at varying rolling speeds and obstacle heights.The standard deviation of the ground pressure peak could partly characterize the vibration intensity of the non-pneumatic tire.The simulation analysis of rolling obstacle crossing vibration of non-pneumatic tire laid a theoretical foundation for the study of dynamic characteristics，and was of important significance for improving vehicle stability. |
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