Table 7 Frequency comparison between the calculated mode and the experimental mode.
Order | Calculated mode/ Hz | Experimental mode/ Hz | Relative error | Mode shape description |
|---|---|---|---|---|
1st | 653.05 | 679.97 | 3.22% | Localized left and right bending |
2nd | 672.55 | 692.62 | 3.62% | Localized up-and-down bending |
3rd | 689.96 | 714.57 | 3.44% | Centrally torsion |
4th | 715.09 | 749.30 | 4.57% | Centrally torsion |
5th | 812.36 | 851.29 | 4.04% | Centrally torsion |
