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Title: Analysis of disc brake squeal using the complex eigenvalue method
Authors: Liu, P.
Zheng, H.
Cai, C.
Wang, Y.Y.
Lu, C.
Ang, K.H.
Liu, G.R. 
Keywords: Complex eigenvalue extraction
Damping ratio
Disc brake squeal
Friction coefficient
Issue Date: Jun-2007
Citation: Liu, P., Zheng, H., Cai, C., Wang, Y.Y., Lu, C., Ang, K.H., Liu, G.R. (2007-06). Analysis of disc brake squeal using the complex eigenvalue method. Applied Acoustics 68 (6) : 603-615. ScholarBank@NUS Repository.
Abstract: A new functionality of ABAQUS/Standard, which allows for a nonlinear analysis prior to a complex eigenvalue extraction in order to study the stability of brake systems, is used to analyse disc brake squeal. An attempt is made to investigate the effects of system parameters, such as the hydraulic pressure, the rotational velocity of the disc, the friction coefficient of the contact interactions between the pads and the disc, the stiffness of the disc, and the stiffness of the back plates of the pads, on the disc squeal. The simulation results show that significant pad bending vibration may be responsible for the disc brake squeal. The squeal can be reduced by decreasing the friction coefficient, increasing the stiffness of the disc, using damping material on the back plates of the pads, and modifying the shape of the brake pads. © 2006 Elsevier Ltd. All rights reserved.
Source Title: Applied Acoustics
ISSN: 0003682X
DOI: 10.1016/j.apacoust.2006.03.012
Appears in Collections:Staff Publications

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