Figure 7. Eigenvalues extracted from the disc brake model plotted on the complex plane

From

A Numerical Investigation into the Brake Squeal Propensity Using Finite Element Method

Ahmed F. Mohamed, Nouby M. Ghazaly

Journal of Mechanical Design and Vibration. 2019, 7(1), 27-32 doi:10.12691/jmdv-7-1-4