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Contact Phenomenon of Free-Rolling Wide-Base Tires: Effect of Speed and Temperature
| 题名： | Contact Phenomenon of Free-Rolling Wide-Base Tires: Effect of Speed and Temperature |
| 正文语种： | 英文 |
| 作者： | Civil and Environmental Engineering Univ |
| 作者单位： | Jaime A.Hernandez;Imad L.Al-Qadi |
| 关键词： | Finite-element analysis; Tire modeling; Three-dimensional contact stresses; Hyperelastic; Viscoelastic |
| 摘要： | The finite-element method was used to quantify the effect of temperature and speed on contact area, deflection, and three-dimensional contact stresses of a free-rolling wide-base tire. The tire model comprised material properties identified in the laboratory and/or provided by the tire manufacturer (hyperviscoelastic rubber and linear elastic reinforcement) and accurate geometry. The model was validated using measured deflection and contact area. The analysis matrix consisted of 81 cases resulting from a combination of three loads, tire-inflation pressures, speeds, and temperatures. Four criteria were used to compare contact stresses: range, average, root-mean-square error, and coefficient of determination. Speed and temperature influence the contact area more than deflection. Longitudinal contact stresses were the most affected, followed by transverse contact stresses. In general, under constant load and tire-inflation pressure, the influence of temperature was more significant on the considered output variables than the effect of speed. |
| 出版年： | 2016 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | Vol.142 |
| 期： | No.12 |
| 页码： | 04016060 |
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