Research Article
Updating Finite Element Model of a Wind Turbine Blade Section Using Experimental Modal Analysis Results
Table 5
Final consistency of the modal model parameters.
| | Final WT blade (versus initial) | | TEST | FE | | | | | Freq. 1 | Freq. 2 | MAC value | Freq. 2−Freq. 1 (Hz) | Freq. 2−Freq. 1 (% of Freq. 1) |
| | 4.4 | 0.634 () | −0.1 () | −2.2 () | | 10.2 | 0.942 () | 1.73 () | 20.6 () | | 17.8 | 0.962 () | −1.41 () | −7.3 () | | 26 | 0.722 () | −7.3 () | −21.9 () | | 38.8 | 0.602 () | −2.11 () | −5.2 () | | 42.1 | 0.538 () | −1.72 () | −3.9 () | | 50.3 | 0.802 () | −7.03 () | −12.3 () |
|
|
