Department of Mechanics;
Tianjin University;
Tianjin 300354;
China;
Tianjin Key Laboratory of Nonlinear Dynamics and Control;
Tianjin 300354;
China;
National Demonstration Center for Experimental Mechanics Education;
Tianjin University;
Tianjin 300354;
China;
Aero-engine rotor system; Ball bearings; Maneuvering flight; Nonlinear dynamics; Squeeze film dampers;