| Finite Element Analysis of New Type of Non-pneumatic Tire Supported by Arc-shaped Leaf Spring |
| Received:November 08, 2022 Revised:November 08, 2022 |
| DOI：10.12136/j.issn.1000-890X.2024.08.0616 |
| Key Words: non-pneumatic tire；arc-shaped leaf spring；radial stiffness；contact behavior；effective rolling radius；finite element analysis |
| Author Name | Affiliation | E-mail | | ZHAI Ziyang | Shanghai Jiao Tong University；State Key Laboratory of Ocean Engineering | 949176277@qq.com | | DENG Xiaowei | Shanghai Jiao Tong University；State Key Laboratory of Ocean Engineering | | | YU Zhengyue* | Shanghai Jiao Tong University；State Key Laboratory of Ocean Engineering | yuzy@sjtu.edu.cn |
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| Abstract: |
| A new type of non-pneumatic tire was designed，which takes the arc-shaped equal thickness leaf spring as the main load bearing component.The finite element model was established to simulate the static radial loading and steady-state pure rolling conditions，the radial stiffness and radial force of the tire were obtained，the parameters of the tire contact pressure were evaluated，and the effective rolling radius of the tire was calculated.The results showed that under the static radial loading condition，the radial force and radial displacement of tire were approximately linear positive correlation，and the radial stiffness and radial force increased with the increase of leaf spring thickness.The stress concentration occured in the center of the tire contact area.The thicker the leaf spring was，the greater the average pressure of the tire was and the higher the uneven wear degree of the tread was.The effective rolling radius of the tire decreased linearly with the increase of radial load.The research results could provide reference for performance analysis or structural optimization. |
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