The Effect of Wind and Wave Misalignment on the Response of a Wind Turbine at Bockstigen
Paper i proceeding, 2006

The aim of this work is to evaluate data from the offshore wind farm Bockstigen in order to study the effect of directional spreading of waves and wind wave misalignment on the response of the structure. The development of offshore wind energy has led to wind farms at sites with water depths ranging from approximately 6 to 30 m. The change of location from land to sea changes the design requirements of wind energy converters. In addition to wind loads, the wave load on the structure has to be taken into account. Since a wind turbine is highly damped in the inline direction as compared to the cross-wise direction, the effect of directional spreading of waves on the response is studied. Depending on the dynamics of the structure the crosswise force could give a larger response than the corresponding inline force. In this study the influence of the directional spreading of the waves on the response is not clear, however the effect of wind and wave misalignment is clear.

Wave Load

Wave Directionality



Wind Energy Converter


Jenny Trumars

Chalmers, Bygg- och miljöteknik, Vatten Miljö Teknik

Johan Jonsson


Lars Bergdahl

Chalmers, Bygg- och miljöteknik, Vatten Miljö Teknik

25TH International Conference on Offshore Mechanics and Arctic Engineering, OMAE 2006; Hamburg; Germany; 4 June 2006 through 9 June 2006

978-079183777-1 (ISBN)







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