Finite Element Analysis of Non-pneumatic Wheel with Chiral Honeycomb Spokes
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摘要: 非气胎车轮相较于充气式车轮, 具有安全性高, 无需充气, 低维护成本, 滚动阻力低等优点, 因此在特殊场景具有广阔前景。本文研究非气胎车轮, 使用蜂窝结构作为辐板以代替充气轮胎。设计了手性蜂窝结构作为非气胎车轮的辐板, 同时对手性蜂窝的各参数对性能的影响做了分析。基于六韧带手性蜂窝、四韧带手性蜂窝和四韧带反手性蜂窝结构, 设计了3种辐板结构。使用有限元软件ANSYS计算得到了非气胎车轮的承载力和最大Mises应力。在相同的垂直位移载荷条件下, 针对手性蜂窝的节圆半径及其壁厚参数做了有限元分析, 得出了支反力以及最大Mises应力关于这两个参数影响的曲线。研究结果可以为手性蜂窝作为辐板的非充气车轮的优化设计做参考。Abstract: Comparing with inflatable wheels, non-pneumatic wheels have the advantages of high safety, free inflation, low maintenance cost and low rolling resistance, and they have broad prospects in special scenarios. The non-pneumatic tire is studied, and honeycomb structure is used as a spoke instead of air. A non-pneumatic tire is designed based on chiral honeycomb, and then the influence of the parameters of the chiral honeycomb on the performance is analyzed. Based on the six ligament chiral honeycomb, the four ligament chiral honeycomb and the four ligament backhand honeycomb structures, three type spoke structures were designed. The finite element software ANSYS was used to calculate the bearing capacity and local stress of non-pneumatic tires. Under the same vertical load condition, a finite element analysis was used to examine the influence of the radius of the pitch circle and the wall thickness of the chiral honeycomb on the wheels. The curves of load capacity and maximum Mises stress versus these two parameters were obtained. The present results can be used as a reference for optimizing the non-pneumatic tires with chiral honeycomb spokes.
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Key words:
- non-pneumatic tire (NPT) /
- chiral honeycomb /
- finite element method /
- pitch radius /
- wall thickness
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表 1 非充气轮胎材料部分力学性能
材料 密度ρ/(kg·m-3) 弹性模量E/MPa 泊松比ν 铝合金 2 800 7.2×10E4 0.33 高强度钢 7 800 2.1×10E5 0.29 聚氨酯 1 200 32 0.49 橡胶 1 043 11.9 0.49 -
[1] RHYNE T B, CRON S M. Development of a non-pneumatic wheel[J]. Tire Science and Technology, 2006, 34(3): 150-169 doi: 10.2346/1.2345642 [2] JU J, KIM D M, KIM K. Flexible cellular solid spokes of a non-pneumatic tire[J]. Composite Structures, 2012, 94(8): 2285-2295 doi: 10.1016/j.compstruct.2011.12.022 [3] JACKOWSKI J, WIECZOREK M, ŻMUDA M. Energy consumption estimation of non-pneumatic tire and pneumatic tire during rolling[J]. Journal of KONES Powertrain and Transport, 2018, 1(1): 159-168 [4] MILLER W, SMITH C W, SCARPA F, et al. Flatwise buckling optimization of hexachiral and tetrachiral honeycombs[J]. Composites Science and Technology, 2010, 70(7): 1049-1056, doi: 10.1016/j.compscitech.2009.10.022 [5] PRALL D, LAKES R S. Properties of a chiral honeycomb with a poisson's ratio of-1[J]. International Journal of Mechanical Sciences, 1997, 39(3): 305-307, 309-314 doi: 10.1016/S0020-7403(96)00025-2 [6] HECTOR K W, RESTREPO D, TEJEDOR BONILLA C, et al. Mechanics of chiral honeycomb architectures with phase transformations[J]. Journal of Applied Mechanics, 2019, 86(11): 111014 doi: 10.1115/1.4044024 [7] ALDERSON A, ALDERSON K L, ATTARD D, et al. Elastic constants of 3-, 4-and 6-connected chiral and anti-chiral honeycombs subject to uniaxial in-plane loading[J]. Composites Science and Technology, 2010, 70(7): 1042-1048 doi: 10.1016/j.compscitech.2009.07.009 [8] GAO D W, ZHANG C W. Theoretical and numerical investigation on in-plane impact performance of chiral honeycomb core structure[J]. Journal of Structural Integrity and Maintenance, 2018, 3(2): 95-105 doi: 10.1080/24705314.2018.1461772 [9] 卢子兴, 李康. 手性和反手性蜂窝材料的面内冲击性能研究[J]. 振动与冲击, 2017, 36(21): 16-22, 39 https://www.cnki.com.cn/Article/CJFDTOTAL-ZDCJ201721003.htmLU Z X, LI K. In-plane dynamic crushing of chiral and anti-chiral honeycombs[J]. Journal of Vibration and Shock, 2017, 36(21): 16-22, 39 (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-ZDCJ201721003.htm [10] WU T Y, LI M X, ZHU X L, et al. Research on non-pneumatic tire with gradient anti-tetrachiral structures[J]. Mechanics of Advanced Materials and Structures, 2021, 28(22): 2351-2359 doi: 10.1080/15376494.2020.1734888 [11] MOUSANEZHAD D, HAGHPANAH B, GHOSH R, et al. Elastic properties of chiral, anti-chiral, and hierarchical honeycombs: a simple energy-based approach[J]. Theoretical and Applied Mechanics Letters, 2016, 6(2): 81-96 doi: 10.1016/j.taml.2016.02.004 [12] HU L L, WU Z J, FU M H. Mechanical behavior of anti-trichiral honeycombs under lateral crushing[J]. International Journal of Mechanical Sciences, 2018, 140: 537-546 doi: 10.1016/j.ijmecsci.2018.03.039 [13] KANYANTA V, IVANKOVIC A. Mechanical characterisation of polyurethane elastomer for biomedical applications[J]. Journal of the Mechanical Behavior of Biomedical Materials, 2010, 3(1): 51-62 doi: 10.1016/j.jmbbm.2009.03.005 [14] PINA-HERNÁNDEZ C, HERNÁNDEZ L, FLORES-VÉLEZ L M, et al. Processing and mechanical properties of natural rubber-ZnFe2O4nanocomposites[J]. Journal of Materials Engineering and Performance, 2007, 16(4): 470-476 doi: 10.1007/s11665-007-9070-y [15] 向仲兵, 安子军, 刘涛. 鸟巢结构式汽车免充气轮胎设计及性能分析[J]. 机械科学与技术, 2020, 39(11): 1782-1787 doi: 10.13433/j.cnki.1003-8728.20190328XIANG Z B, AN Z J, LIU T. Design and performance analysis of car nest structural non-pneumatic tire[J]. Mechanical Science and Technology for Aerospace Engineering, 2020, 39(11): 1782-1787 doi: 10.13433/j.cnki.1003-8728.20190328