Research Article
Modeling and Stochastic Model Updating of Bolt-Jointed Structure
Table 9
Results of validating modal frequencies.
| | Mode shape | Experimental frequencies (Hz) | Experimental modal damping (%) | Updated frequencies (Hz) | Updated modal damping (%) | | Mean | SD | Mean | SD | Mean | SD | Mean | SD |
| | Third torsion | 241.07 | 4.303 | 0.2923 | 0.0843 | 242.64 | 3.842 | 0.2631 | 0.0711 | | Sixth bending | 292.32 | 3.551 | 0.0896 | 0.0457 | 295.27 | 3.516 | 0.0692 | 0.0334 |
|
|
