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Brake squeal analysis by coupling spectral linearization and modal identification methods

Abstract : Brake squeal is induced by self-excited vibrations, consequences of local nonlinearities at the contact interface. This paper deals with a new way to analyze the brake squeal behavior. The proposed method is based on a spectral linearization of the brake nonlinear dynamic response with unilateral contact and friction conditions. The approach enables to identify modal parameters of an equivalent linear system by a combination of the random decrement technique and the Ibrahim time domain method. It is applied to the analysis of a pad/beam squealing contact. The obtained results are compared to the classical complex eigenvalues analysis and nonlinear temporal dynamic finite element analysis ones.
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Submitted on : Thursday, January 14, 2010 - 3:07:06 PM
Last modification on : Tuesday, October 19, 2021 - 6:58:01 PM

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P. Grange, D. Clair, L. Baillet, Michel Fogli. Brake squeal analysis by coupling spectral linearization and modal identification methods. Mechanical Systems and Signal Processing, Elsevier, 2009, 23 (8), pp.2575-2589. ⟨10.1016/j.ymssp.2009.05.004⟩. ⟨insu-00447190⟩

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