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Based on the 10 MW semi-submersible floating wind turbine foundation OO-Star, this study investigates the influence of wave spectrum characteristics on the dynamic behavior of floating wind turbines. A hydrodynamic analysis model of the floating wind turbine is established in ANSYS/AQWA, and hydrodynamic loads are calculated using Morison’s equation and potential-flow theory. Under identical incident wave height and peak period conditions, the effects of wave spectrum bandwidth on the hydrodynamic performance of the floating platform are analyzed. The surge and pitch responses of the turbine increase significantly with broader wave spectra, with peak amplitudes increasing by over 50%. Meanwhile, surge and pitch motions are distributed over a wider displacement range, indicating greater variability in motion response. Statistical values for heave response show little variation across different spectral bandwidths, suggesting a limited influence of spectrum width on heave motion. As spectral bandwidth increases, mooring line tension rises markedly and exhibits greater variation, potentially, exacerbating fatigue damage in the mooring system.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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