INVESTIGATION OF THE PAD STIFFNESS EFFECTS ON THE INITIATION OF BRAKE SQUEAL PHENOMENON


Yavuz A., Sen O. T.

Journal of Theoretical and Applied Mechanics (Poland), vol.61, no.2, pp.219-232, 2023 (SCI-Expanded) identifier

  • Publication Type: Article / Article
  • Volume: 61 Issue: 2
  • Publication Date: 2023
  • Doi Number: 10.15632/jtam-pl/159728
  • Journal Name: Journal of Theoretical and Applied Mechanics (Poland)
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Aerospace Database, Applied Science & Technology Source, Communication Abstracts, Compendex, Metadex, zbMATH, Directory of Open Access Journals, Civil Engineering Abstracts
  • Page Numbers: pp.219-232
  • Keywords: disc brake squeal, linear stability analysis, mode coupling phenomenon, nonlinear dynamics
  • Istanbul Technical University Affiliated: Yes

Abstract

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.