Time-domain response of a semi-submersible floating wind turbine with trussed slender structures

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A time-domain method is developed for modeling the dynamics of a floating truss-structure wind turbine with multiple rotors mounted on the deck of the platform. In its hydrodynamic aspect, a hybrid panel-stick model is built up incorporating the potential flow theory to evaluate the wave inertia force and a Morison strip method to evaluate the wave drag force. The proposed analysis model is validated against a 1/50 scale test of a semi-submersible floating wind turbine, which was carried out in Kyushu University. Good agreement between the simulation results and the experimental data confirms the validity of the developed method. Further numerical simulations are performed in a set of wind and wave conditions to investigate the effect of wave drag force on the dynamics of the floating wind turbine. The results show that applying a hybrid panel-stick model is fairly effective to reduce the unphysical large resonant responses.

Original languageEnglish
Title of host publication14th ISOPE Pacific/Asia Offshore Mechanics Symposium, PACOMS 2020
PublisherInternational Society of Offshore and Polar Engineers
Pages353-357
Number of pages5
ISBN (Electronic)9781880653838
Publication statusPublished - 2020
Event14th ISOPE Pacific/Asia Offshore Mechanics Symposium, PACOMS 2020 - Dalian, China
Duration: Nov 22 2020Nov 25 2020

Publication series

Name14th ISOPE Pacific/Asia Offshore Mechanics Symposium, PACOMS 2020

Conference

Conference14th ISOPE Pacific/Asia Offshore Mechanics Symposium, PACOMS 2020
CountryChina
CityDalian
Period11/22/2011/25/20

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology
  • Mechanical Engineering
  • Ocean Engineering

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