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Dynamic ice load model in overall simulation of offshore wind turbines

: Hetmanczyk, S.; Heinonen, J.; Strobel, M.

Chung, J.S. ; International Society of Offshore and Polar Engineers -ISOPE-, Goldem/Colo.:
ISOPE 2011, Twenty-First International Offshore and Polar Engineering Conference. Conference Proceedings. CD-ROM : Maui, Hawaii, USA, June 19 - 24, 2011
Cupertino, Calif.: ISOPE, 2011
ISBN: 978-1-88065-396-8
International Offshore and Polar Engineering Conference <21, 2011, Maui/Hawaii>
Conference Paper
Fraunhofer IWES ()

Offshore wind energy is one of the most promising technologies in the field of renewable energy, especially in cold climate regions. This paper introduces a new way to get a better understanding of ice induced vibrations at offshore wind turbines. Therefore a well established empirical ice model was implemented in the aero-hydro-servo-elastic simulation tool OnWind utilizing the modeling language Modelica. To retain a realistic dynamic behavior, an overall wind turbine model including relevant environmental conditions like soil and wind is used. For the investigations representative ice conditions from the Gulf of Bothnia were chosen.