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Brake Squeal Analysis Incorporating Contact Conditions and Other Nonlinear Effects
Technical Paper
2003-01-3343
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A squeal analysis on a front disc brake is presented here utilizing the new complex eigenvalue capability in ABAQUS/Standard. As opposed to the direct matrix input approach that requires users to tailor the friction coupling matrix, this method uses nonlinear static analyses to calculate the friction coupling prior to the complex eigenvalue extraction. As a result, the effect of non-uniform contact pressure and other nonlinear effects are incorporated. Friction damping is used to reduce over-predictions and the velocity dependent friction coefficient is defined to contribute negative damping. Complex eigenvalue predictions of the example cases show very good correlation with test data for a wide range of frequencies. Finally, the participation of rotor tangential modes is also discussed.
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Citation
Kung, S., Stelzer, G., Belsky, V., and Bajer, A., "Brake Squeal Analysis Incorporating Contact Conditions and Other Nonlinear Effects," SAE Technical Paper 2003-01-3343, 2003, https://doi.org/10.4271/2003-01-3343.Also In
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