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Eigenvalue optimization against brakes queal: Symmetry, mathematical background and experiments

Spelsberg-Korspeter, Gottfried (2012):
Eigenvalue optimization against brakes queal: Symmetry, mathematical background and experiments.
In: Journal of Sound and Vibration, 331 (19), pp. 4259-4268. Elsevier, [Article]

This is the latest version of this item.

Item Type: Article
Erschienen: 2012
Creators: Spelsberg-Korspeter, Gottfried
Title: Eigenvalue optimization against brakes queal: Symmetry, mathematical background and experiments
Language: English
Journal or Publication Title: Journal of Sound and Vibration
Journal volume: 331
Number: 19
Publisher: Elsevier
Divisions: 16 Department of Mechanical Engineering > Dynamics and Vibrations
16 Department of Mechanical Engineering
Date Deposited: 19 Sep 2012 13:53
Official URL: http://dx.doi.org/10.1016/j.jsv.2012.04.026
Identification Number: doi:10.1016/j.jsv.2012.04.026
Alternative keywords:
Alternative keywordsLanguage
eigenvalue optimization, brake squeal, symmetryEnglish
Alternative Abstract:
Alternative abstract Language
Brake squeal is still a challenge for design engineers and scientists. Due to cost reasons for the avoidance of brake noise only passive measures are meaningful for a broad industrial range. Many countermeasures against squeal are based on the introduction of damping, for example by using shims. In the literature on the modeling of brake squeal, the structural properties of the brake disc are most often not considered. It has however been shown analytically and experimentally that the stiffness properties of the disc are important and that splitting of double modes of the disc has a stabilizing effect. This knowledge can be used for structural optimization of brake rotors. The goal of this paper is to exploit the potential and to discuss some mathematical difficulties. Furthermore, experimental evidence for the relation of rotor asymmetry and squeal is given.English
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