Causes of wind-wave misalignment, the difference between wind and mean wave direction, are investigated for stationary and non-stationary situations using numerical modeling. This includes the effects of upwind fetch restrictions, refraction, choice of source terms and integration time step on wind-wave misalignment are illustrated. A statistical analysis is performed to quantify wind-wave misalignment as a function of wind speed and significant wave height. In addition, the effect of spectral partitioning in separate wind sea and swell systems on the statistics of wind-wave misalignment is illustrated. Apart from the differences in mean direction, attention is given to the associated directional spreading. Implications for the design of offshore structures and the movements of moored ships are discussed.
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ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering
June 9–14, 2013
Nantes, France
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5539-3
PROCEEDINGS PAPER
On Wind-Wave Misalignment, Directional Spreading and Wave Loads Available to Purchase
Gerbrant Ph. Van Vledder
Gerbrant Ph. Van Vledder
BMT Argoss, Delft, The Netherlands
Delft University of Technology, Delft, The Netherlands
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Gerbrant Ph. Van Vledder
BMT Argoss, Delft, The Netherlands
Delft University of Technology, Delft, The Netherlands
Paper No:
OMAE2013-11393, V005T06A087; 8 pages
Published Online:
November 26, 2013
Citation
Van Vledder, GP. "On Wind-Wave Misalignment, Directional Spreading and Wave Loads." Proceedings of the ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. Volume 5: Ocean Engineering. Nantes, France. June 9–14, 2013. V005T06A087. ASME. https://doi.org/10.1115/OMAE2013-11393
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