Numerical analysis of steady-state mechanical characteristics of the flexible spoke non-pneumatic tire under multiple working conditions

IF 2.4 3区 工程技术 Q3 ENGINEERING, ENVIRONMENTAL Journal of Terramechanics Pub Date : 2023-01-01 DOI:10.1016/j.jterra.2022.12.002
Laiyun Ku, Hongxun Fu, Kai Chen, Jinyan Zhang, Senyu Bi, Lei Zhou
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多工况下柔性轮辐非充气轮胎稳态力学特性的数值分析
由于目前对非充气轮胎稳态力学特性的研究还不完善,为了全面探索一种新型柔性轮辐非充气轮胎(FSNPT)的稳态力学特性,进行了多种工况下的稳态力学仿真。建立了新型FSNPT的三维模型和数值分析模型,通过台架试验验证了仿真模型的可靠性和准确性。结合轮胎稳态滚动理论,完成了FSNPT在纯纵滑移、纯侧向滑移、纯弯曲和复合工况下的稳态力学特性模拟试验。得到了FSNPT在纯工况和复合工况下的稳态力学特性曲线,分析了其稳态力学特性规律。结果表明:在纯工况下,在相同载荷下,轮胎受力或转矩随轮胎运动状态的变化有一定的趋势,随着载荷的增加,非充气轮胎的纵向刚度、横向刚度、对准刚度和弯曲刚度及其相应的峰值均有增大的趋势。在复合工况下,拱度对侧向力和调直力矩的影响是有方向性的,即会促进或抑制侧向力和调直力矩的产生,但对纵向力的影响很小。同时,复合工况下纵向力与横向力相互制约;与单纯工况相比,复合工况下调直力矩的产生受弯度和纵滑移的影响较大,且随侧向滑移角的变化趋势显著。该研究为FSNPT的结构设计和性能优化提供了理论指导。
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来源期刊
Journal of Terramechanics
Journal of Terramechanics 工程技术-工程:环境
CiteScore
5.90
自引率
8.30%
发文量
33
审稿时长
15.3 weeks
期刊介绍: The Journal of Terramechanics is primarily devoted to scientific articles concerned with research, design, and equipment utilization in the field of terramechanics. The Journal of Terramechanics is the leading international journal serving the multidisciplinary global off-road vehicle and soil working machinery industries, and related user community, governmental agencies and universities. The Journal of Terramechanics provides a forum for those involved in research, development, design, innovation, testing, application and utilization of off-road vehicles and soil working machinery, and their sub-systems and components. The Journal presents a cross-section of technical papers, reviews, comments and discussions, and serves as a medium for recording recent progress in the field.
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