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| 载重子午线轮胎带束层部分的动态模拟 |
| Dynamic Simulation on Belt of Bus and Truck Radial Tire |
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| DOI： |
| 中文关键词: 载重子午线轮胎；带束层；胎面花纹；子模型技术；有限元分析 |
| 英文关键词: bus and truck radial tire；belt；tread pattern；submodel technology；finite element analysis |
| 基金项目: |
| 中图分类号:U463.341+.3；O241.82 |
| Author Name | Affiliation | | CHENG Dongdong | Donghua University | | LIU Chencai | Donghua University | | SHU Yongping | Donghua University |
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| 中文摘要: |
| 以12.00R20全钢载重子午线轮胎为研究对象，基于Abaqus软件和组合模型技术建立带复杂胎面花纹的轮胎全局模型，然后基于子模型技术建立带束层部分的三维精细网格模型进行有限元分析。结果表明：静负荷工况下，由全局模型与子模型计算得到的应力场比较一致，且Mises应力最大值均出现在胎体帘布层。自由滚动工况下，两层带束层帘线Mises应力分布非常不均匀，但基本关于中分面对称；第2带束层Mises应力高于第1带束层，且各带束层在胎冠部位Mises应力整体高于胎侧部位；胎冠部位两层带束层Mises应力分布变化不大，胎肩部位Mises应力增大，胎侧部位Mises应力减小；第1和第2带束层帘线Mises应力分布关于中分面的对称情况刚好相反。 |
| 英文摘要: |
| Taking 12.00R20 bus and truck radial tire as the study object，and based on Abaqus software and composite pattern technology，the global model with complex pattern was established，and then based on submodel technology，the three dimensional fine grid model of the belt was established for finite element analysis.Under static load condition，the stress field calculated by global model and submodel was consistent and the maximum Mises stress appeared in the carcass ply.Under free rolling condition，the Mises stress of two belts was distributed very unevenly，but was basically symmetrical about neutral plane.The Mises stress of the second belt was higher than that of the first belt，and the Mises stress of the belt ply in tire crown was higher than that in sidewall.Under free rolling condition，the distribution of Mises stress of two belts in crown changed little comparing with that under static load condition，but the Mises stress increased in tire shoulder and decreased in sidewall，and the symmetrical distributions of Mises stress of two belts were opposite to each other. |
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