Study of the nonlinear stationary dynamic of single and multi-instabilities for disk brake squeal
Résumé
The focus of this paper is to show and discuss the nonlinear dynamical behaviours of brake system subjected to friction-induced vibration that can be generated due to the co-existence of multi-unstable modes. A finite element model with friction coupling is used to analyse the stability of the brake system and the stationary nonlinear oscillations for squeal noise prediction. The mechanism of squeal instability considers a mode coupling phenomenon that is classically referred to as coalescence.
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