A modeling approach for coupled stability analysis of highly flexible FOWTs with stiffened guy wire connections

Research Project

Project/Area Number	25K08153
Research Category	Grant-in-Aid for Scientific Research (C)
Allocation Type	Multi-year Fund
Section	一般
Review Section	Basic Section 24020:Marine engineering-related
Research Institution	Saga University
Principal Investigator	SRINIVASAMURTHY SHARATH 佐賀大学, 海洋エネルギー研究所, 助教 (20804496)
Project Period (FY)	2025-04-01 – 2028-03-31
Project Status	Granted (Fiscal Year 2025)
Budget Amount *help	¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000) Fiscal Year 2027: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000) Fiscal Year 2026: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000) Fiscal Year 2025: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords	Offshore wind energy / Stiffened guy wire / Coupled analysis / Stability / Flexible floater
Outline of Research at the Start	The stability of the support structure consisting of the tower and floating platform (PF) is crucial for Floating Offshore Wind Turbines (FOWT). To improve the stability, a stiffened guy wire that connects the top of the tower and the columns of the floating PF is proposed in this research. A new integrated coupled analysis method will be developed to analyze the complex interactions between the platform, tower, and stiffened guywires of the FOWT. The study will be helpful to design highly flexible FOWT.