简介：Thedevelopmentofoffshorewindfarmsindeepwaterfavorsfloatingwindturbinedesigns,butfloatinghorizontalaxiswindturbinesarefacingthechallengeofhighcostofenergy(CoE).ThedevelopmentofinnovativedesignstoreducetheCoEisthusdesirable,suchasfloatingverticalaxiswindturbines(VAWTs).Thisstudydemonstratesthecharacteristicsofaerodynamicloadsandloadeffectsofatwo-bladedfloatingVAWTsupportedbyasemi-submersibleplatform.Fullycoupledsimulationsareperformedusingthetime-domainaero-hydro-servo-elasticcodeSIMO-RIFLEX-AC.Itisfoundthatthrust,lateralforce,andaerodynamictorquevaryconsiderablyandperiodicallywiththerotorazimuthangle.However,thevariationinthegeneratortorquecanbealleviatedtosomeextentbythecontrolstrategyapplied.Moreover,thevariationsofplatformmotionsandtensionsinthemooringlinesarestronglyinfluencedbyturbulentwinds,whereasthoseoftower-basebendingmomentsarenot.Thetowerbasebendingmomentsexhibitnotabletwo-per-revolution(2P)responsecharacteristics.