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A Finite Element Approach to the Transient Dynamics of Rolling Tires with Emphasis on Rolling Noise Simulation

机译:侧重于滚动噪声仿真的滚动轮胎瞬态动力学的有限元方法

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摘要

The sound radiating from rolling tires is the most important source of traffic noise in urban regions. In this contribution a detailed finite element approach for the dynamics of tire/road systems is presented with emphasis on rolling noise prediction. The analysis is split into sequential steps, namely, the nonlinear analysis of the stationary rolling problem within an arbitrary Lqgrangian Eulerian framework, and a subsequent analysis of the transient dynamic response due to the excitation caused by road surface roughness. Here, a modal superposition approach is employed using complex eigenvalue analysis. Finally, the sound radiation analysis of the rolling tire/road system is performed.
机译:滚动轮胎发出的声音是城市地区交通噪音的最重要来源。在此贡献中,提出了一种针对轮胎/道路系统动力学的详细有限元方法,重点是滚动噪声预测。该分析分为连续步骤,即在任意Lqgrangian欧拉框架内对平稳滚动问题进行非线性分析,以及对由于路面不平整引起的激励而引起的瞬态动态响应进行后续分析。在此,使用了一种模态叠加方法,该方法使用了复杂特征值分析。最后,进行滚动轮胎/道路系统的声辐射分析。

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