Numerical simulation method for platform oscillation of offshore wind turbine generator based on flexible motion

• Main Author: YE ZHAOLIANG
• Format: Patent
• Language: Chinese; English
• Published: 08.02.2022
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

The invention discloses a numerical simulation method for platform oscillation of an offshore wind turbine generator based on flexible motion, and the method comprises the steps: obtaining a change rule of an offshore wind turbine generator platform under a swaying condition through an on-site actual measurement method, and obtaining structural modeling features according to the structural attributes of a unit and a tower; performing multi-region geometric modeling according to the swaying motion of the offshore wind turbine generator platform, and completing grid drawing required by numerical calculation according to geometric modeling; according to the change rule and the computational grid under the condition of platform oscillation of the offshore wind turbine generator, carrying out unsteady value setting and computational analysis by combining the structural modeling characteristics of the generator and the tower, and researched the aeroelastic load characteristics of the offshore wind turbine generator