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1.武汉理工大学 机电工程学院,武汉 430070
2.柳州瑞东机械制造有限公司,柳州 545027
叶昊哲,男,1999年生,安徽安庆人,硕士研究生;主要研究方向为工程车轮结构设计与优化;E-mail:332731@whut.edu.cn。
吴超华,男,1980年生,湖北孝感人,博士,副教授,硕士研究生导师;主要研究方向为智能装备系统设计与优化、先进材料界面设计与性能调控;E-mail:wuchaohua@whut.edu.cn。
收稿日期:2023-12-12,
修回日期:2024-01-18,
纸质出版日期:2025-07-15
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叶昊哲,吴超华,全勇智,等. 重型工程车轮径向接触压力分布模型的构建与研究[J]. 机械强度,2025,47(7):108-116.
YE Haozhe,WU Chaohua,QUAN Yongzhi,et al. Construction and research of radial contact pressure distribution model for heavy-duty engineering wheels[J]. Journal of Mechanical Strength,2025,47(7):108-116.
叶昊哲,吴超华,全勇智,等. 重型工程车轮径向接触压力分布模型的构建与研究[J]. 机械强度,2025,47(7):108-116. DOI: 10.16579/j.issn.1001.9669.2025.07.014.
YE Haozhe,WU Chaohua,QUAN Yongzhi,et al. Construction and research of radial contact pressure distribution model for heavy-duty engineering wheels[J]. Journal of Mechanical Strength,2025,47(7):108-116. DOI: 10.16579/j.issn.1001.9669.2025.07.014.
针对重型工程车轮在径向载荷工况下有限元分析(Finite Element Analysis
FEA)的不准确问题,基于车轮-轮胎接触压力测试结果,构建了一种新的仿真分析模型。首先,测试车轮仅在充气压力工况下的应力数据,并以4阶高斯函数拟合充气压力加载模型;然后,测试车轮在充气压力和径向载荷共同作用下的应力数据,消去充气压力的影响,并以4阶傅里叶函数和4阶正弦和函数分别拟合径向载荷周向加载模型和轴向加载模型;最后,通过Ansys软件仿真验证加载模型。结果显示,与实测数据相比,关键校核点的计算误差仅为1.943%。此外,应力分布也显示出高度的一致性,证明了径向接触压力分布模型的准确性和可靠性较高。
Aiming at the inaccuracy of the finite element analysis (FEA) of heavy-duty engineering wheels under the radial loading condition
a new simulation analysis model based on the results of wheel-tire contact pressure test was established. Firstly
a stress data corresponding to the wheel under inflation pressure condition alone undergo testing
and a loading model for inflation pressure was formulated using a Gaussian function of 4th order. Secondly
a stress data collected while the wheel experiences combined inflation pressure and radial load were analyzed. The influence of inflation pressure was isolated
allowing for the development of a circumferential loading model and an axial loading model for the radial load
using a Fourier function of 4th order and a sinusoidal function of 4th order
respectively. Finally
the validation of the loading model was conducted through Ansys simulation. The outcomes demonstrate the calculation error of mere-approximately 1.943% in relation to the measured data for the key calibration points. Additionally
the observed stress distribution manifests a remarkable degree of consistency. This substantiates the accuracy and reliability inherent in the proposed radial contact pressure distribution model.
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