DYNAMIC RESPONSE ANALYSIS OF INSTALLATION OF SEMI-SUBMERSIBLE WIND TURBINE BASED ON MODULAR FLOATING DOCK

Ma Qingyang; Ren Nianxin; Wu Peixiao; Li Yanwei; Yan Jun

doi:10.19912/j.0254-0096.tynxb.2024-0541

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (5) : 655-661. DOI: 10.19912/j.0254-0096.tynxb.2024-0541

DYNAMIC RESPONSE ANALYSIS OF INSTALLATION OF SEMI-SUBMERSIBLE WIND TURBINE BASED ON MODULAR FLOATING DOCK

Ma Qingyang¹, Ren Nianxin¹, Wu Peixiao², Li Yanwei¹, Yan Jun³

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Abstract

The article introduces a sit-on-the-botton installation approach for semi-submersible with turbines using modular floating docks. Considering the multi-body hydrodynamic coupling effect of the modular floating dock and the mechanical coupling effect of the wind turbine lifting process, a coupled time-domain analysis model of the semi-submersible wind turbine installation process based on the modular floating dock is constructed. The model is then used to comparatively investigate the dynamic response of the conventional floating wind turbine installation scheme and the proposed sit-on-the-bottom wind turbine installation scheme under the typical seas. The numerical results show that the modular floating dock has a good performance for storing the lifting components of the wind turbine. The wind turbine foundation of the sit-on-the-bottom installation scheme shows a better performance in pitch motions and auxiliary clamps compared with the conventional floating installation scheme. Therefore, the modular floating dock-based semi-submersible wind turbine bottom mounting solution can be adapted to more severe installation conditions, which is conducive to improving the safety of floating offshore wind turbine installation operations and the effective operation time throughout the year.

Key words

floating dock / semi-submersible wind turbine / installation / dynamic responses / modular structure

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Ma Qingyang, Ren Nianxin, Wu Peixiao, Li Yanwei, Yan Jun. DYNAMIC RESPONSE ANALYSIS OF INSTALLATION OF SEMI-SUBMERSIBLE WIND TURBINE BASED ON MODULAR FLOATING DOCK[J]. Acta Energiae Solaris Sinica. 2025, 46(5): 655-661 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0541

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