| Analysis of Natural Frequency of Non-pneumatic Tire Using Response Surface Method |
| Received:July 20, 2022 Revised:July 20, 2022 |
| DOI：10.12136/j.issn.1000-890X.2023.10.0825 |
| Key Words: non-pneumatic tire；natural frequency；response surface method；significant influence factor；optimization analysis |
| Author Name | Affiliation | Postcode | | ZHENG Yongliang | Aeolus Tyre Co.，Ltd | 454003 | | ZHANG Lingxin | Aeolus Tyre Co.，Ltd | | | ZHOU Haichao* | Aeolus Tyre Co.，Ltd；Jiangsu University | 212013 | | LI Zhao | Aeolus Tyre Co.，Ltd | | | WANG Rongqian | Jiangsu University | |
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| Abstract: |
| The response surface method was used to analyze the natural frequency（zero-order） of the non-pneumatic tire.The structure and material parameters（influence factors） that affected the natural frequency of the non-pneumatic tire were selected and their value ranges were determined，the significant influence factors were screened out，and the construction and optimization analysis of the response surface model were carried out，so as to obtain the influence of significant influence factors on the natural frequency of the non-pneumatic tire.The results showed that the natural frequency of the non-pneumatic tire increased with the increase of the spoke thickness and the polyurethane shear modulus and the decrease of the asymmetric arc height and the spoke length，while other significant influence factors remained unchanged.When considering the interaction effect of the two significant influencing factors，the peak natural frequency of the non-pneumatic tire occured when the spoke thickness was the largest and the asymmetric arc height was the smallest，the spoke thickness was the largest and the spoke length was the smallest，the spoke thickness and the polyurethane shear modulus were the largest，the asymmetric arc height and the spoke length were the smallest，the asymmetric arc height was the smallest and the polyurethane shear modulus was the largest，the spoke length was the smallest and the polyurethane shear modulus was the largest，respectively. |
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