Dynamic analysis of a multi-column TLP floating offshore wind turbine with tendon failure scenarios

This paper presents the design and dynamic analysis of a multi-column tension leg platform floating offshore wind turbine (TLP FOWT) with broken tendons. The proposed concept is based on conventional Tri-Floater configuration but especially optimized for an intermediate water depth 60 m. Tendons are simulated to be at specific time interest. hydrodynamic parameters motion responses TLP FOWT have been calculated using software WAMIT ANSYS/AQWA. These then used in simulation coupled by National Renewable Energy Laboratory's suite tool, FAST. tendon failure has investigated examine system performance under accidental limit states (ALS) described code DNV-RP-0286. A series operational extreme environmental conditions (with 12 different load cases) carried out combination waves. results demonstrate that able remain highly stable during 3-h simulations conducted. platform's response amplitude operators (RAOs) evaluated show good stability heave pitch. failures affected FOWT's heave, pitch roll motions, hence its natural frequencies, non-broken average tensile force line adjacent found doubled, while safety factors as specified DNV-OS-E301 remained within recommended value. provides further insights into hydrodynamics FOWT, aim provide new information research community.