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Effect of Material Models on Rolling Resistance of Non-pneumatic Tires with Hexagonal Spokes
参考中译:材料模型对六角形非充气轮胎滚动阻力的影响


          

刊名：SAE International Journal of Commercial Vehicles
作者：M. Kiran（PES University, Department of Mechanical Engineering）
M. Aswath（Bangalore Institute of Technology, Department of Mechanical Engineering）
D. Athreya Shishir（PES University, Department of Mechanical Engineering）
Babu Rao Ponangi（PES University, Department of Mechanical Engineering）
Rammohan Bhanumurthy（Dayananda Sagar University, Department of Mechanical Engineering）
刊号：870B0001-2
ISSN：1946-391X
出版年：2023
年卷期：2023, vol.16, no.1
页码：33-47
总页数：15
分类号：U46
关键词：Non-pneumatic tire (NPT)；ABAQUS；Ogden material model；Neo-Hookean material model；Mooney-Rivlin material model；Contact pressure；Rolling resistance；Slip ratio
参考中译：非充气轮胎；ABAQUS；Ogden材料模型；Neo-Hookean材料模型；Mooney-Rivlin材料模型；接触压力；滚动阻力；滑移率
语种：eng
文摘：A non-pneumatic tire (NPT) has a lot of applications and is a viable option for the future, as they do not possess the problem of blowouts and air pressure maintenance. In these NPTs, the air-filled part is replaced by a flexible structure capable of withstanding the weight of the vehicle and delivering optimum performance. In the present study, endeavors have been made to analyze the rolling performance of NPTs by considering a light commercial vehicle as an application. The NPTs with three different configurations are studied by considering three hyperelastic material models for the hexagonal spoke structure and shear band under various loading conditions. Initially, static analysis for the models is conducted in two dimension (2D) and three dimension (3D) to validate the results, and these models were further extended to rolling analysis. The rolling resistance and slip ratios are obtained and compared in both 2D and 3D analyses. From the results, the least rolling resistance was observed for Type-A with the Mooney-Rivlin material model for polyurethane. The present study also includes the effect of various tread patterns on NPT Type-A with the Mooney-Rivlin material model on rolling resistance, contact patch, and contact pressure.
参考中译：非充气轮胎(NPT)有很多应用，是未来可行的选择，因为它们不存在爆胎和维持气压的问题。在这些NPT中，充气部分被灵活的结构取代，能够承受车辆的重量并提供最佳性能。本文以某轻型商用车为研究对象，对其滚动性能进行了分析。通过考虑六角轮辐结构和剪切带的三种超弹性材料模型，研究了三种不同构型的NPT在不同加载条件下的性能。首先对模型进行了二维(2D)和三维(3D)的静力分析，以验证结果，并将这些模型进一步扩展到轧制分析。得到了滚压阻力和滑移率，并在二维和三维分析中进行了比较。结果表明，采用Mooney-Rivlin材料模型时，A类材料的滚动阻力最小。采用Mooney-Rivlin材料模型，研究了不同胎面花纹对NPT-A型轮胎的滚动阻力、接触补丁和接触压力的影响。



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