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On the Avoidance of Friction Induced Vibrations by Structural Optimization

Spelsberg-Korspeter, G. (2010):
On the Avoidance of Friction Induced Vibrations by Structural Optimization.
In: ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 2, pp. 147-152, [Online-Edition: http://dx.doi.org/10.1115/ESDA2010-24576],
[Article]

Item Type: Article
Erschienen: 2010
Creators: Spelsberg-Korspeter, G.
Title: On the Avoidance of Friction Induced Vibrations by Structural Optimization
Language: English
Journal or Publication Title: ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 2
Divisions: 16 Department of Mechanical Engineering > Dynamics and Vibrations
16 Department of Mechanical Engineering
Date Deposited: 19 Sep 2012 14:17
Official URL: http://dx.doi.org/10.1115/ESDA2010-24576
Alternative Abstract:
Alternative abstract Language
Rotors show very rich dynamical behavior especially when friction is involved. Due to the interaction of nonconservative, dissipative and gyroscopic forces a very interesting stability behavior can be observed. Instability of the rotor can yield severe problems, for example in the context of brakes and clutches it causes squeal, in the process of paper calendering the duration of the rollers is decreased substantially. This paper deals with the problem of how to design a rotor such that it is robust against friction induced vibrations using structural optimization. The problem is addressed using discrete and continuous models for disk brake squeal. It is shown that a proper design of the brake rotor can passively suppress squeal without introduction of additional damping into the system. Many of the qualitative results carry over to other problems of friction induced vibrations in rotors.English
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