Table 2 Estimated modal parameters of the numerical example
Mode | Frequency (Hz) | Damping ratio (%) | MAC | ||
|---|---|---|---|---|---|
Theoretical value | Estimated value | Theoretical value | Estimated value | ||
1 | 2.0069 | 2.0059 | 0.51 | 0.54 | 1.00 |
2 | 4.2930 | 4.2885 | 0.25 | 0.23 | 1.00 |
3 | 6.2148 | 6.2150 | 0.12 | 0.09 | 1.00 |
4 | 7.6691 | 7.6552 | 0.40 | 0.26 | 1.00 |