Linear Eigenvalue Analysis of the Disc-Brake Squeal Problem
Q Cao, H Ouyang (University of Liverpool), MI Friswell (University of Bristol) & JE Mottershead (University of Liverpool)
International Journal for Numerical Methods in Engineering, Vol. 62, No. 9, November 2004, pp. 1546-1563
This paper presents a numerical method to calculate the unstable frequencies of a car disc brake and
suggests a suitable analysis procedure. The stationary components of the disc brake are modelled using
finite elements and the disc as a thin plate. The separate treatments of the stationary components and
the rotating disc facilitate the modelling of the disc brake squeal as a moving load problem. Some
uncertain system parameters of the stationary components and the disc are tuned to fit experimental
results. A linear, complex-valued, asymmetric eigenvalue formulation is derived for the friction-induced
vibration of the disc brake. Predicted unstable frequencies are compared with experimentally established
squeal frequencies of a real car disc brake.
This material has been published in the International Journal for Numerical Methods in Engineering, Vol. 62, No. 9, pp. 1546-1563, November 2004. Unfortunately the copyright agreement with Wiley InterScience does not allow for the PDF file of the paper to be available on this website. However the paper is available from the Wiley website - see the link below.
Link to paper using doi:10.1002/nme.1127
International Journal for Numerical Methods in Engineering on Wiley InterScience