2007
DOI: 10.1016/j.jsv.2007.06.041
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Investigation of the relationship between damping and mode-coupling patterns in case of brake squeal

Abstract: International audienceBrake squeal is a friction induced instability phenomenon that has to be addressed during the development process. The mechanism is considered a mode coupling phenomenon also referred to as coalescence. The system eigenvalues have been computed using a technique based on the finite element method. The coalescence patterns were then determined in relation to the friction coefficient. The effects of damping on the coalescence patterns have been investigated. If the two modes involved in the… Show more

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Cited by 78 publications
(57 citation statements)
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“…4(a) and (b). No structural damping is added for this calculation (for more details about the effects of damping on stability see [14,25,26,27,28,29]). Five instabilities are calculated between 0 and 800 Hz, corresponding to the frequency range in which the analytical model is assumed to be efficient.…”
Section: Stability Analysismentioning
confidence: 99%
“…4(a) and (b). No structural damping is added for this calculation (for more details about the effects of damping on stability see [14,25,26,27,28,29]). Five instabilities are calculated between 0 and 800 Hz, corresponding to the frequency range in which the analytical model is assumed to be efficient.…”
Section: Stability Analysismentioning
confidence: 99%
“…One of the greatest advantages of a brake finite element model is that the different parts of the brake system are modeled realistically. Therefore, complex parametric studies based on an eigenvalue analysis can be extensively investigated to detect brake squeal in relation to different physical parameters (Fritz et al, 2007;Ouyang and AbuBakar, 2006). For example, Massi et al (2007) proposed performing both stability analysis to detect system instabilities and non-linear analysis during brake simulations to reproduce squeal phenomena in the time domain.…”
Section: Introductionmentioning
confidence: 99%
“…The sprag-slip model introduced in early studies by Spurr [7] illustrates the mechanism of squeal in terms of structural geometry, which means that tribological characteristics should not be considered as the only reason for squeal instability [9]. Later, many scholars confirmed the existence of mode-coupling phenomenon [10][11][12][13] in brake the X, Z direction of the displacement and rotation around the Y axis, and the bolt holes on the disc are constrained with PINNED boundary condition, namely, constraining the X, Y, Z direction of the displacement. A uniform pressure of 1 MPa is applied to the back plates to simulate the actual braking hydraulic load.…”
Section: Introductionmentioning
confidence: 99%