Transient simulation of friction-induced vibrations using an elastic multibody approach

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• 作者：Igor Iroz ; Michael Hanss ; Peter Eberhard
• 关键词：Elastic multibody system ; Self ; excited vibration ; Friction ; induced vibration ; Brake squeal ; Penalty formulation
• 刊名：Multibody System Dynamics
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：39
• 期：1-2
• 页码：37-49
• 全文大小：
• 刊物类别：Engineering
• 刊物主题：Vibration, Dynamical Systems, Control; Optimization; Electrical Engineering; Mechanical Engineering; Automotive Engineering;
• 出版者：Springer Netherlands
• ISSN：1573-272X
• 卷排序：39

文摘

In this paper, by the use of elastic multibody dynamics and a master–slave contact approach with penalty formulation, computationally efficient time integrations of a brake system are performed for constant and time-dependent input parameters. As a result, the amplitudes of the friction-induced vibrations and the contact forces at the disc–pad interfaces are predicted. Besides, system outputs are viewed in phase diagrams, and the creation of a stable limit cycle for a low friction coefficient is identified. In this way, conclusions on the stability of the system are drawn, and statements based on frequency-domain analyses are complemented. Finally, a distinct need for a new criterion that quantifies the squeal propensity of such systems in the time domain is identified.