Predicting Residual Casing Life of a Tire following an Impact Event

IF 0.9 Q4 ENGINEERING, MECHANICAL
Gobi Gobinath, Thomas Ebbott, Shannon Hughes
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引用次数: 0

Abstract

ABSTRACT By applying recognized engineering methods, including finite element analysis, the role of impact events on the service life of a tire was studied by varying three factors: speed of impact, treadwear, and angle of impact. The approach combines well-known finite element analysis methods to simulate a tire rolling over an obstacle with the calculation of damage at the tire belt edge imparted by the impact event by using recognized methods of rubber fatigue analysis. An efficient method is developed and used to demonstrate that across a range of impact conditions, some conditions can cause substantial internal damage, whereas other conditions can cause very little damage. The area of investigation is the tire belt edge; thus, although significant internal damage may have occurred, it might not be visually perceptible in the normal operation of a vehicle. In some cases, the nondetectable damage is shown to propagate to a point where the tire loses its structural integrity before reaching its normal operating life defined by treadwear. This study includes the role of mechanical, temperature, and rate effects
预测轮胎撞击后的剩余胎壳寿命
摘要采用有限元分析等工程方法,研究了冲击速度、胎面磨损和冲击角度对轮胎使用寿命的影响。该方法将模拟轮胎在障碍物上滚动的有限元分析方法与利用公认的橡胶疲劳分析方法计算碰撞事件对轮胎带边缘的损伤相结合。开发了一种有效的方法,并用于证明在一系列冲击条件下,某些条件会造成严重的内部损伤,而其他条件会造成很小的损伤。调查区域为轮胎带边;因此,虽然可能发生了重大的内部损坏,但在车辆的正常操作中,视觉上可能无法察觉。在某些情况下,无法检测到的损伤会在达到轮胎磨损定义的正常使用寿命之前传播到轮胎失去其结构完整性的程度。本研究包括机械、温度和速率效应的作用
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来源期刊
Tire Science and Technology
Tire Science and Technology ENGINEERING, MECHANICAL-
CiteScore
2.10
自引率
0.00%
发文量
11
期刊介绍: Tire Science and Technology is the world"s leading technical journal dedicated to tires. The Editor publishes original contributions that address the development and application of experimental, analytical, or computational science in which the tire figures prominently. Review papers may also be published. The journal aims to assure its readers authoritative, critically reviewed articles and the authors accessibility of their work in the permanent literature. The journal is published quarterly by the Tire Society, Inc., an Ohio not-for-profit corporation whose objective is to increase and disseminate knowledge of the science and technology of tires.
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