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This paper proposes a new scheme for the temporary bottom-supported installation of semi-submersible wind turbines using modular floating docks. Considering the multi-body hydrodynamic coupling effect of modular floating docks, the mechanical coupling effect of the wind turbine installation process and the pile gripper of the installation equipment, a coupled time-domain analysis for the installation of semi-submersible wind turbines at modular floating docks was established. A comparative study was conducted on the dynamic response characteristics of both the conventional floating installation process and the new temporary bottom-supported installation process. The effects of collision speed and cushion structure on the stress-bearing performance of the pile gripper during the installation process were also investigated. Compared with the conventional floating installation scheme, the temporary bottom-supported installation scheme exhibits better performance. Therefore, the temporary bottom-supported installation scheme of semi-submersible wind turbines can adapt to more severe sea conditions for installation operations.
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Chen et al. (2026) studied this question.
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