文章摘要
Comparative Analysis of High-speed Vibration Characteristics of UPTIS and TWEEL Non-pneumatic Tires Using Finite Element Method
Received:February 28, 2022  Revised:February 28, 2022
DOI：10.12136/j.issn.1000-890X.2023.03.0212
Key Words: non-pneumatic tire；UPTIS tire ；TWEEL tire；high-speed vibration；finite element analysis
Author NameAffiliationE-mail
LIANG Zheng* Beijing University of Chemical Technology liangzheng1905@163.com 
HAN Xue Beijing University of Chemical Technology  
LU Yonglai Beijing University of Chemical Technology  
WANG Kejian Beijing University of Chemical Technology  
LI Fanzhu Beijing University of Chemical Technology  
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Abstract:
      Abstract：The high-speed vibration simulation analysis method of non-pneumatic tires was established. The high-speed rolling behavior of non-pneumatic tires under a certain load and rotation speed was simulated，and the vibration time domain signals of the key component spoke and ground reaction force were extracted. The vibration time domain signal was converted into the frequency domain signal through the fast Fourier transformation technique combined with Hamming window. Based on the established high-speed vibration simulation analysis method，the high-speed vibration characteristics of two typical non-pneumatic tires，UPTIS and TWEEL were compared and analyzed. The results showed that compared with the TWEEL tires，the vibration frequency domain of the ground reaction forces of the UPTIS tire had fewer characteristic vibration frequencies and smaller vibration amplitudes during high-speed rolling，that is，the high-speed vibration absorption of the UPTIS tire was better than that of the TWEEL tire under the same bearing capacity. The high-speed vibration simulation analysis method established in this work provides support for the structural optimization of non-pneumatic tires.
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