Quantitative Comparison of the Responses of Three Floating Platforms

Research output: Contribution to conferencePaper


This report presents a comprehensive dynamic-response analysis of three offshore floating wind turbine concepts. Models were composed of one 5-MW turbine supported on land and three 5-MW turbines located offshore on a tension leg platform, a spar buoy, and a barge. A loads and stability analysis adhering to the procedures of international design standards was performed for each model using the fully coupled time-domain aero-hydro-servo-elastic design code FAST with AeroDyn and HydroDyn. The concepts are compared based on the calculated ultimate loads, fatigue loads, and instabilities. The results of this analysis will help resolve the fundamental design trade-offs between the floating-system concepts.
Original languageAmerican English
Number of pages21
StatePublished - 2010
EventEuropean Offshore Wind 2009 Conference and Exhibition - Stockholm, Sweden
Duration: 14 Sep 200916 Sep 2009


ConferenceEuropean Offshore Wind 2009 Conference and Exhibition
CityStockholm, Sweden

NREL Publication Number

  • NREL/CP-500-46726


  • aero-hydro-servo-elastic design code fast
  • barge
  • dynamic response analysis
  • loads analysis
  • offshore floating wind turbine
  • offshore turbine
  • spar buoy
  • stability analysis
  • tension leg platform


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