Research Article
Dynamic Characteristics of Magnetic Suspended Dual-Rotor System by Riccati Transfer Matrix Method
Table 3
Results comparison between FEM and the Riccati transfer matrix method.
| Order | Damped critical speeds (Hz) | Logarithmic decrements | Riccati | FEM | Error (%) | Riccati | FEM | Error (%) |
| 1 | 135.53 | 133.16 | 1.78 | 4.05 | 3.90 | 3.85 | 2 | 162.72 | 143.65 | 12.28 | 4.86 | 4.79 | 1.46 | 3 | 521.92 | 514.41 | 1.46 | 0.093 | 0.081 | 14.82 |
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