| Design and Finite Element Simulation Analysis of New Type Safety Tire |
| Received:October 23, 2018 Revised:October 23, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.07.0529 |
| Key Words: safety tire；runonflat；polyurethane；inner support body；finite element analysis |
| Author Name | Affiliation | E-mail | | LI Changyu | Qingdao University of Science Technology | 1539097835@qq.com | | DU Yunfeng | Qingdao University of Science Technology | | | NING Weiming | Qingdao University of Science Technology | | | ZHANG Cong | Qingdao University of Science Technology | | | HUANG Zhaoge* | Qingdao University of Science Technology | 13808986601@163. com |
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| Abstract: |
| New type safety tire with foaming elastic polyurethane（E-TPU） inner support body with samll mass and excellent elastic resilience was designed based on 235/45R18 radial tire.Then the static mechanical properties were analyzed by nonlinear finite element software ABAQUS.The results showed that，this new type safety tire was designed with connected inflatable structure，which can drive normally under standard air pressure and its handling and comfort were not affected.When the air pressure of tire was lower than the standard air pressure，the inner support body contacted with tire inner liner.The inner support body and the sidewall bore the load together.Thus，the shape variable of the sidewall could be reduced，and ensured the normal driving of the vehicles to the safe area. |
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