Verification of Numerical Offshore Wind Turbine Models Based on Full Scale Alpha Ventus Data within OC5 Phase III
Popko, Wojciech; Huhn, Matthias L.; Robertson, Amy N.; Jonkman, Jason M.; Wendt, Fabian; Müller, Kolja; Kretschmer, Matthias L.; Vorpahl, Fabian; Hagen, Torbjørn Ruud; Galinos, Christos; Dreff, Jean-Baptiste Le; Gilbert, Philippe; Auriac, Bertrand; Villora, Francisco Navarro; Schünemann, Paul; Bayati, Ilmas; Oh, Sho; Totsuka, Yoshitaka; Qvist, Jacob; Bachynski, Erin Elizabeth; Sørum, Stian Høegh; Thomassen, Paul Edgar; Shin, Hyun Kyoung; Vittori, Felipe; Galvan, Josean; Molins, Climent; Bonnet, Paul; Zee, Tjeerd van der; Bergua, Roger; Wang, Kai; Fu, Pengcheng; Cai, Jifeng
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The main objective of the Offshore Code Comparison Collaboration Continuation, with Correlation (OC5) project, is validation of aero-hydro-servo-elastic simulation tools for offshore wind turbines (OWTs) through comparison of simulated results to the response data of physical systems. Phase III of the OC5 project analyzes the Senvion 5M wind turbine supported by the OWEC Quattropod from the alpha ventus offshore wind farm. This paper shows results of the verification of the OWT models (code-to-code comparison). A subsequent publication will focus on their validation (comparison of simulated results to measured physical system response data). Based on the available data, the participants of Phase III set up numerical models of the OWT in their simulation tools. It was necessary to verify and to tune these models. The verification and tuning were performed against an OWT model available at the University of Stuttgart – Stuttgart Wind Energy (SWE) and documentation provided by Senvion and OWEC Tower. A very good match was achieved between the results from the reference SWE model and models set up by OC5 Phase III participants.