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A Study on Disc Brake Squeal Using Finite Element Methods
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English
Abstract
Disc brake squeal is a complicated dynamic problem confronting automobile manufacturer for decades. A squealing disc brake is studied and a closed-loop coupling model with 128 degrees of freedom is established on the basis of Finite Element Method and Modal Synthesis Method. Based on the system model, calculation and analysis are performed to find which structure factors affect squeal phenomenon greatly. At last, it is found that some of the mounting bracket modes dominate the appearance of the squeal. According to that, possibly the structure modification of the bracket is an accessible way to eliminate the brake squeal.
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Citation
Dihua, G. and Dongying, J., "A Study on Disc Brake Squeal Using Finite Element Methods," SAE Technical Paper 980597, 1998, https://doi.org/10.4271/980597.Also In
References
- Earles S.W. A Mechanism of Disc Brake Squeal SAE Paper 770181
- North M.R. Disc Brake Squeal I Mech E. 1976 170 185
- Xinchao Zhu The Closed-loop Coupling Simulation and Test Study on Drum Brake Squeal Ph.D. Dissertation of Tsinghua University 1991 10
- Liles G.D. Analysis of Disc Brake Squeal Using Finite Element Methods SAE Paper 891150
- Baba H. Study on Reducing Low Frequency Squeal From Modal Analysis of Mounting Bracket SAE Paper 952697