Motion response analysis of semi-submersible offshore platform with multiple subbuoy structures
As the basic platform for deep-sea wind power generation,offshore wind power platforms are playing an in-creasingly important role.The complex and changeable sea conditions in the deep-sea require higher wind-wave resistance capability of the platforms.In this paper,a semi-submersible offshore platform with multiple sub-buoy structures is designed and built based on the wind power installation platform of Aotebao,and its hydrodynamic analysis is carried out by AQWA software.It is concluded that the platform has good symmetry.The motion response of the platform is obvious in the low fre-quency interval,but relatively small in the high frequency interval,indicating that the basic hydrodynamic performance of the platform is good.The frequency domain response characteristics of the platform with 15 m sub-buoy height are better than those of other platforms,which can provide theoretical basis for the design of semi-submersible offshore platforms in the future.
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