Site-specific development and fatigue evaluation of a tension leg platform for floating wind deployment in Türkiye

Date

2025-8-21

Author

Uçar, Muhammed

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This thesis presents an early-stage suitability assessment and a design-oriented evaluation approach for floating wind platforms, including site-specific power output estimation, hydrodynamic behavior, and fatigue assessment. It focuses on potential applications in Türkiye, where steep continental shelf and milder maritime climates contrast with the high-wind, high-wave conditions typically considered for this technology, such as those found in the Atlantic. The approach centers on two technically interconnected aspects: hydrodynamic response and structural fatigue. The topics are examined through time-domain simulations and long-term statistical loading. From a hydrodynamic perspective, the study assesses the extent to which the hydrodynamic model influences the coupled aero-hydro-servo-elastic behavior of the system, feeding early-stage design considerations. Subsequently, a fatigue analysis evaluates critical structural locations by comparing multiple platform types and incorporating site-specific environmental data. These insights support an interlinked design approach, which is applied to develop an offshore wind platform suitable for a potential and representative offshore wind site in Kıyıköy, Türkiye. The concept is then assessed for its suitability under local metocean conditions, and the power output is estimated based on long-term wind data, expressed as a capacity factor. The results suggest that floating wind deployment in mild-climate, moderate-depth regions may achieve performance comparable to existing references.

Subject Keywords

Floating Wind Turbines, Hydrodynamic Modelling, Fatigue Assessment, Coupled System Dynamics, Site-Specific Design Evaluation

URI

https://hdl.handle.net/11511/115602

Collections

Graduate School of Natural and Applied Sciences, Thesis