Thermo-mechanical contact analysis of car disc brake squeal
Disc brake squeal can be classified as a form of friction-induced vibration. The elimination of brake squeal noise is very important as the problem causes discomfort of the vehicle occupant as well as pedestrians. This paper presents a new methodology for predicting disc brake squeal using finite el...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | en |
| Published: |
SAE International
2008
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| Subjects: | |
| Online Access: | http://eprints.utem.edu.my/id/eprint/6155/1/SAE_Journal.pdf http://eprints.utem.edu.my/id/eprint/6155/ http://saepcmech.saejournals.org/ |
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| Summary: | Disc brake squeal can be classified as a form of friction-induced vibration. The elimination of brake squeal noise is very important as the problem causes discomfort of the vehicle occupant as well as pedestrians. This paper presents a new methodology for predicting disc brake squeal using finite element analysis considering both thermal effects and the structural compliance of brake components. An integrated dynamic study of non-linear contact pressure analysis and a fully coupled transient thermal analysis under variation of contact algorithm are performed before executing the instability study of a typical passenger car brake system using the complex eigenvalue analysis method. Based on the results of this exercise, a parametric study on the materials of brake components is carried out to define suitable design guidelines to reduce or to eliminate squeal problems. |
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