An Implicit to Explicit FEA Solving of Tire F&M with Detailed Tread Blocks

Author:

Li Zhao1,Li Ziran R.1,Xia Yuanming M.1

Affiliation:

1. Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027, Anhui, P. R. China

Abstract

ABSTRACT A detailed tire-rolling model (185/75R14), using the implicit to explicit FEA solving strategy, was constructed to provide a reliable, dynamic simulation with several modeling features, including mesh, material modeling, and a solving strategy that could contribute to the consideration of the serious numerical noises. High-quality hexahedral meshes of tread blocks were obtained with a combined mapping method. The actual rubber distributing and nonlinear, stress-strain relationship of the rubber and bilinear elastic reinforcement were modeled for realism. In addition, a tread-rubber friction model obtained from the Laboratory Abrasion and Skid Tester (LAT 100) was applied to simulate the interaction of the tire with the road. The force and moment (F&) behaviors of tire cornering when subjected to a slip-angle sweep of −10 to 10° were studied with that model. To demonstrate the efficiency of the proposed simulation, the computed F&M were compared with experimental results from an MTS Flat-Trac Tire Test System. The computed cornering F&M agreed well with the experimental results, so the footprint shape and contact pressure distribution of several cornering conditions were investigated. Furthermore, the longitudinal forces in response to braking/driving torque application in a slip-ratio range of −100% to 100% were computed. The proposed FEA solution confines the numerical noise within a smaller range and can serve as a valid tool in tire design.

Publisher

The Tire Society

Subject

Polymers and Plastics,Mechanics of Materials,Automotive Engineering

Cited by 4 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Toward detailed modeling of tires with linear elastic rubber compounds using finite element method;IOP Conference Series: Earth and Environmental Science;2024-08-01

2. REMOVED: Tire and vehicle handling dynamics;Vehicle/Tire/Road Dynamics;2023

3. Finite Element Analysis for Tread Wear of Radial Tire;2022 5th International Conference on Mechatronics, Robotics and Automation (ICMRA);2022-11-25

4. Tire-Pavement System Modelling and Triaxial Contact Stress Analysis;Journal of Physics: Conference Series;2019-07-01

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