Modal reduction of brake squeal systems using complex interface modes

S Besset (1) , Jean-Jacques Sinou (1, 2)

1 LTDS - Laboratoire de Tribologie et Dynamique des Systèmes
2 IUF - Institut universitaire de France

This paper deals with a new efficient reduction method for predicting the stability analysis of a damped nonlinear brake system subjected to friction-induced vibration. The originality of the present work is to propose a generalized double modal synthesis method that combines a classical modal reduction and a condensation at the frictional interface by computing a reduced complex mode basis. Comparisons with the existing double modal synthesis reduction method are performed. It is demonstrated that the new suggested reduction technique is more efficient. It allows to provide satisfactory results with a small number of interfaces modes.

Mots clés: double modal synthesis; brake squeal; friction-induced vibration

Domaines: Vibrations [physics.class-ph]

S Besset, Jean-Jacques Sinou. Modal reduction of brake squeal systems using complex interface modes. Mechanical Systems and Signal Processing, 2017, 85, pp.896 - 911. ⟨10.1016/j.ymssp.2016.09.006⟩. ⟨hal-03257881⟩