Research Article
Vibration Characteristics and Simulation Verification of the Dual-Rotor System for Aeroengines with Rub-Impact Coupling Faults
Table 7
Parameter setting of the simulation model based on ADAMS.
| | Parameter | Case 1 | Case 2 | Case 3 | Case 4 | Case 5 |
| | Rub-impact stiffness | 1 × 106 N/m | 1 × 107 N/m | 1 × 108 N/m | 1 × 107 N/m | 1 × 107 N/m | | Rub-impact damping | 100 Ns/m | 1000 Ns/m | 10000 Ns/m | 1000 Ns/m | 1000 Ns/m | | Force exponent | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | | Penetration depth | 0.1 mm | 0.1 mm | 0.1 mm | 0.1 mm | 0.1 mm | | Rubbing clearance | 1×10−7m | 1×10−7m | 1×10−6m | 1×10−7m | 1×10−7m | | LPC unbalance | 500 g mm | 500 g mm | 500 g mm | 1000 g mm | 500 g mm | | HPC unbalance | 500 g mm | 500 g mm | 500 g mm | 500 g mm | 1000 g mm |
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