Research Article
Kriging Metamodeling in Rotordynamics: Application for Predicting Critical Speeds and Vibrations of a Flexible Rotor
Table 9
Maximum errors for all the critical speeds by considering the best kriging models.
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| Mean values | Case 1: 350 samples | (1.20; 0.02) | 4.84 | Case 2: 120 samples | (1.99; 0.06) | 2.12 | Case 3: 70 samples | (18.61; 0.31) | 3.63 |
| Variance values | Case 1: 350 samples | (4.80; 1.55) | 6.57 | Case 2: 120 samples | (12.27; 1.65) | 6.69 | Case 3: 70 samples | (30.99; 1.92) | 6.60 |
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