Comparison of Analytical Model for Contact Mechanics Parameters with Numerical Analysis and Experimental Results

IF 0.9 Q4 ENGINEERING, MECHANICAL
Sunish Vadakkeveetil, A. Nouri, S. Taheri
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引用次数: 0

Abstract

Being able to estimate tire/rubber friction is very important to tire engineers, materials developers, and pavement engineers. This is because of the need for estimating forces generated at the contact, optimizing tire and vehicle performance, and estimating tire wear. Efficient models for contact area and interfacial separation are key for accurate prediction of friction coefficient. Based on the contact mechanics and surface roughness, various models were developed that can predict real area of contact and penetration depth/interfacial separation. In the present work, we intend to compare the analytical contact mechanics models using experimental results and numerical analysis. Nano-indentation experiments are performed on the rubber compound to obtain penetration depth data. A finite element model of a rubber block in contact with a rough surface was developed and validated using the nano-indentation experimental data. Results for different operating conditions obtained from the developed finite element model are compared with analytical model results, and further model improvements are discussed.
接触力学参数分析模型与数值分析及实验结果的比较
能够估计轮胎/橡胶摩擦对轮胎工程师、材料开发人员和路面工程师来说非常重要。这是因为需要估计接触处产生的力,优化轮胎和车辆性能,并估计轮胎磨损。有效的接触面积和界面分离模型是准确预测摩擦系数的关键。基于接触力学和表面粗糙度,开发了各种模型,可以预测实际接触面积和穿透深度/界面分离。在本工作中,我们打算使用实验结果和数值分析来比较分析接触力学模型。对橡胶化合物进行纳米压痕实验以获得穿透深度数据。建立了橡胶块与粗糙表面接触的有限元模型,并利用纳米压痕实验数据进行了验证。将所建立的有限元模型在不同工况下的结果与分析模型结果进行了比较,并讨论了模型的进一步改进。
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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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