Dynamic model of a deep-groove ball bearing including localized and distributed defects. Part 2: Implementation and results

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Nonlinear dynamic modeling of surface defects in rolling element bearing systems (2009, background): “Sopanen and Mikola [16,17] proposed a dynamic model for a deep-groove ball bearing including localized and distributed defects, effect of internal radial clearance and unbalance excitation of the system.”
Analysis of bearing stiffness variations, contact forces and vibrations in radially loaded double row rolling element bearings with raceway defects (2015, methodology): “Four modifications were made to the model developed by Sawalhi & Randall [23, 24] to improve the analysis of the vibration response for extended spalls: (1) An additional mass-spring-damper system was attached to the outer raceway to enable prediction of the measured high-frequency resonant response”
A nonlinear dynamic vibration model of cylindrical roller bearing considering skidding (2021, background): “times of the linearized stiffness of the bearing [39], and the damping coefficient is determined within this range.”
An extensive review of vibration modelling of rolling element bearings with localised and extended defects (2015, background): “[54, 55] ignored the slippage of the rolling elements (balls) [49] and neglected the centrifugal 437 forces acting on them, although it was shown that the modelled defect-related frequencies agree well with 438 the earlier results published in the literature [46, 97, 98, 103, 105–107].”