Vibration Characteristics and Simulation Verification of the Dual-Rotor System for Aeroengines with Rub-Impact Coupling Faults

<div>Vibration modes’ diagram of the dual-rotor system. (a) First-order vibration (58.8 Hz). (b) Second-order vibration (75.4 Hz).</div>

Shock and Vibration

Figure 4: Vibration Characteristics and Simulation Verification of the Dual-Rotor System for Aeroengines with Rub-Impact Coupling Faults 