1. Ha K, Kim J-B, Yu Y, Seo H-S (2021) Structural modeling and failure assessment of spar-type substructure for 5 MW floating. Offshore wind turbine under extreme conditions in the East Sea. Energies 14:6571
2. Kikuchi Y, Nanba H, Ishihara M (2017) A study of dynamic responses of several floating foundation concepts.. In: 39th wind energy symposium, pp 315–318
3. Ohba N, Ko D, Ura Y (2023) Basic study of barge type floater with large wind turbine system. Spring lecture of Japan Society of Naval Architecture and Marine Engineering
4. International Energy Agency (2020) Definition of the IEA wind 15-megawatt offshore reference wind turbine. IEA Wind TCP Task 37
5. Marine Bureau of Ministry of Land, Infrastructure, Transport and Tourism, Japan (2023) Guideline for technical and safety of floating wind turbine system