DeRisk — Accurate Prediction of ULS Wave Loads. Outlook and First Results | Zendy

Henrik Bredmose | Zendy; Martin Dixen | Zendy; Amin Ghadirian | Zendy; Torben J. Larsen | Zendy; Signe Schløer | Zendy; Søren Juhl Andersen | Zendy; Shan Wang | Zendy; Harry B. Bingham | Zendy; Ole Lindberg | Zendy; Erik Damgaard Christensen | Zendy; Malene Hovgaard Vested | Zendy; Stefan Carstensen | Zendy; Allan P. EngsigKarup | Zendy; Ole Svenstrup Petersen | Zendy; Hans Fabricius Hansen | Zendy; Jesper Sandvig Mariegaard | Zendy; Paul H. Taylor | Zendy; Thomas A. A. Adcock | Zendy; Charlotte Obhrai | Zendy; Ove T. Gudmestad | Zendy; N.J. Tarp-Johansen | Zendy; Carolyn Meyer | Zendy; Jørgen R. Krokstad | Zendy; Loup SujaThauvin | Zendy; T. Hanson | Zendy

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DeRisk — Accurate Prediction of ULS Wave Loads. Outlook and First Results

Author(s) -

Henrik Bredmose,

Martin Dixen,

Amin Ghadirian,

Torben J. Larsen,

Signe Schløer,

Søren Juhl Andersen,

Shan Wang,

Harry B. Bingham,

Ole Lindberg,

Erik Damgaard Christensen,

Malene Hovgaard Vested,

Stefan Carstensen,

Allan P. EngsigKarup,

Ole Svenstrup Petersen,

Hans Fabricius Hansen,

Jesper Sandvig Mariegaard,

Paul H. Taylor,

Thomas A. A. Adcock,

Charlotte Obhrai,

Ove T. Gudmestad,

N.J. Tarp-Johansen,

Carolyn Meyer,

Jørgen R. Krokstad,

Loup SujaThauvin,

T. Hanson

Publication year - 2016

Publication title -

energy procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.474

H-Index - 81

ISSN - 1876-6102

DOI - 10.1016/j.egypro.2016.09.197

Subject(s) - wave loading , nonlinear system , paddle , dimensioning , engineering , wave height , structural engineering , marine engineering , submarine pipeline , geotechnical engineering , geology , physics , aerospace engineering , mechanical engineering , oceanography , quantum mechanics

Loads from extreme waves can be dimensioning for the substructures of offshore wind turbines. The DeRisk project (2015-2019) aims at an improved load evaluation procedure for extreme waves through application of advanced wave models, laboratory tests of load effects, development of hydrodynamic load models, aero-elastic response calculations and statistical analysis. This first paper from the project outlines the content and philosophy behind DeRisk. Next, the first results from laboratory tests with irregular waves are presented, including results for 2D and 3D focused wave groups. The results of focused wave group tests and a 6-hour (full scale duration) test are reproduced numerically by re-application of the wave paddle signal in a fully nonlinear potential flow wave model. A good match for the free surface elevation and associated exceedance probability curve is obtained. Finally, the utilization of DeRisk's results in practical design is discussed

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