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Finite element simulation of the tyre burst test

机译:轮胎爆破试验的有限元模拟

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摘要

The use of predictive finite element (FE) models in tyre design and analysis has become widely popular in recent times. This is largely due to the introduction of high-performance computers in addition to the enhancement in the capabilities of existing proprietary finite element software, thus enabling the efficient use of such tyre models in solving the challenging problems of pneumatic tyre behaviour as an alternative to experimental tests routinely carried out on tyre prototypes. This present work investigates tyre burst behaviour when the tyre is inflated well beyond the manufacturer's recommended maximum pressure. This will help to predict the extent to which a tyre can be loaded before failing catastrophically, thus simulating one of the mandatory tyre qualification tests. Consequently, an axisymmetric finite element tyre model has been developed using the improved capabilities in ABAQUS FE code, which allows the modelling of the tyre burst phenomenon, based on the ultimate strengths of the constituent reinforcement materials. A summary of the results obtained from this model for a passenger car tyre P195/65R15 H91 is presented together with a study of the effect of some tyre design parameters on the tyre burst pressure. Also some recommendations are made for enhancing the functionality of the model.
机译:预测有限元(FE)模型在轮胎设计和分析中的使用近来已广为流行。这主要是由于除了增强了现有专有有限元软件的功能之外,还引入了高性能计算机,从而可以有效地利用此类轮胎模型来解决充气轮胎行为的挑战性问题,作为实验的替代方案通常对轮胎原型进行测试。本工作研究了当轮胎充气到远远超过制造商建议的最大压力时的轮胎爆裂行为。这将有助于预测在发生灾难性故障之前可以装载轮胎的程度,从而模拟了一项强制性轮胎合格性测试。因此,已经使用ABAQUS FE代码中的改进功能开发了轴对称有限元轮胎模型,该模型可以根据构成增强材料的极限强度对轮胎爆裂现象进行建模。总结了从此模型中为乘用车轮胎P195 / 65R15 H91获得的结果,并研究了一些轮胎设计参数对轮胎爆破压力的影响。还提出了一些建议来增强模型的功能。

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