| 交错结构免充气安全轮胎的静态接地性能和疲劳寿命的有限元分析与预测 |
| Finite Element Analysis and Prediction on Static Grounding Performance and Fatigue Life of Staggered Non-pneumatic Tire |
| 投稿时间：2017-07-25 修订日期：2017-07-25 |
| DOI： |
| 中文关键词: 免充气轮胎 子午线轮胎 交错结构 聚氨酯支撑体 疲劳寿命 有限元分析 |
| 英文关键词: non-pneumatic safety tire radial tire staggered structure polyurethane supportor fatigue life finite element analysis |
| 基金项目:国家自然科学基金资助(21274072, 51273099),绿色轮胎与橡胶协同创新中心开放基金(2014GTR0005),工业装备结构分析国家重点实验室开放基金(GZ1213)。 |
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| 中文摘要: |
| 本文提出了一种交错结构的免充气安全轮胎,借助有限元分析软件提出一种交错结构免充气安全轮胎，借助有限元分析软件Abaqus对其静态接地性能进行分析，并采用德莫西亚疲劳试验获得轮胎支撑体聚氨酯材料的应力（S）-疲劳寿命（N）曲线，将其输入疲劳分析软件FE-SAFE预测轮胎的疲劳寿命。结果表明，交错结构免充气轮胎的静刚度曲线与同规格充气子午线轮胎基本吻合，接地面积和平均接地压力接近，说明其达到了同规格充气子午线轮胎的使用性能，且疲劳寿命相近。 |
| 英文摘要: |
| A staggered structure non-pneumatic safety tire was proposed，and its static grounding performance was analyzed by finite element analysis software Abaqus.The stress（S）-fatigue life（N）curve of polyurethane support material of the tire was measured by Demencia fatigue test and imported to fatigue analysis software FE-SAFE to predict the fatigue life of the tire.The results showed that，the static stiffness curve of the tire was consistent with the same size pneumatic radial tire，the contact area and average contact pressure was similiar，which indicated that the tire had reached the service performance of the same size pneumatic radial tire，and the fatigue life was similiar. |
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