Research Article
Modal Investigation on a Large-Scale Containership Model for Hydroelastic Analysis
Table 3
Vertical bending modal results from measurement.
| | Loading condition | Modal shape | Dry mode | Wet mode | | Natural frequency (Hz) | Damping ratio (%) | Natural frequency (Hz) | Damping ratio (%) |
| | Full load | 2-Node | 3.823 | 0.23 | 2.825 | 6.3 | | 3-Node | 8.575 | 0.8 | 6.455 | 4.0 |
| | Design draft | 2-Node | 4.337 | 0.93 | 3.104 | 5.6 | | 3-Node | 9.923 | 0.48 | 6.955 | 2.5 |
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