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1 Journal of Theoretical and Applied Mechanics

1 2023

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Investigation of the pad stiffness effects on the initiation of brake squeal phenomenon

Yavuz Akif, Sen Osman

Journal of Theoretical and Applied Mechanics

2023

Vol. 61 nr 2

219--232

The main objective of this study is to investigate pad stiffness effects on the instability of a nonlinear brake squeal model. Hence, a nonlinear mathematical model is developed. The nonlinear model is linearized to check the system stability through complex eigenvalue analysis. The results of linear stability analyses are compared to the numerical solution of the nonlinear model, and it is observed that the dynamic behavior predicted by the linear stability analysis is in accordance with the numerical solutions. Though, a discrepancy may occur at the predicted squeal frequencies with both approaches, especially at high pad stiffness levels.