Breaking wave impacts on offshore wind turbine foundations:Focused wave groups and CFD
Extreme wave loads from breaking waves on a monopile foundation are computed within a 3D CFD model. The wave impacts are obtained by application of focused wave groups. For a fixed position of the monopile, the focus location of the wave group is varied to produce impacts with front shapes that vari...
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The American Society of Mechanical Engineers (ASME)
2010
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ftdtupubl:oai:pure.atira.dk:publications/4ea14426-ff94-4479-87f9-a00557ea2682 2024-05-12T07:57:22+00:00 Breaking wave impacts on offshore wind turbine foundations:Focused wave groups and CFD Bredmose, Henrik Jacobsen, Niels Gjøl 2010 https://orbit.dtu.dk/en/publications/4ea14426-ff94-4479-87f9-a00557ea2682 eng eng The American Society of Mechanical Engineers (ASME) https://orbit.dtu.dk/en/publications/4ea14426-ff94-4479-87f9-a00557ea2682 info:eu-repo/semantics/restrictedAccess Bredmose , H & Jacobsen , N G 2010 , Breaking wave impacts on offshore wind turbine foundations : Focused wave groups and CFD . in OMAE2010 . The American Society of Mechanical Engineers (ASME) , pp. 20368 , 29th International Conference on Ocean, Offshore and Arctic Engineering , Shanghai , China , 06/06/2010 . contributionToPeriodical 2010 ftdtupubl 2024-04-17T14:51:37Z Extreme wave loads from breaking waves on a monopile foundation are computed within a 3D CFD model. The wave impacts are obtained by application of focused wave groups. For a fixed position of the monopile, the focus location of the wave group is varied to produce impacts with front shapes that varies from early stages of breaking to broken waves. The CFD results for in-line force are compared to load estimates obtained from the Morison equation. The peak loads determined with this simple method are smaller than those of the CFD solution. The computational results appear to suggest that for the impacts of spilling breakers the peak force gets smaller the more developed the breaking is. This is in qualitative agreement with a finding from shallow water impacts on vertical walls: the strongest wave loads are associated with breakers that hit the structure with slightly overturning front. Extensions of the study are discussed. Article in Journal/Newspaper Arctic Technical University of Denmark: DTU Orbit |
institution |
Open Polar |
collection |
Technical University of Denmark: DTU Orbit |
op_collection_id |
ftdtupubl |
language |
English |
description |
Extreme wave loads from breaking waves on a monopile foundation are computed within a 3D CFD model. The wave impacts are obtained by application of focused wave groups. For a fixed position of the monopile, the focus location of the wave group is varied to produce impacts with front shapes that varies from early stages of breaking to broken waves. The CFD results for in-line force are compared to load estimates obtained from the Morison equation. The peak loads determined with this simple method are smaller than those of the CFD solution. The computational results appear to suggest that for the impacts of spilling breakers the peak force gets smaller the more developed the breaking is. This is in qualitative agreement with a finding from shallow water impacts on vertical walls: the strongest wave loads are associated with breakers that hit the structure with slightly overturning front. Extensions of the study are discussed. |
format |
Article in Journal/Newspaper |
author |
Bredmose, Henrik Jacobsen, Niels Gjøl |
spellingShingle |
Bredmose, Henrik Jacobsen, Niels Gjøl Breaking wave impacts on offshore wind turbine foundations:Focused wave groups and CFD |
author_facet |
Bredmose, Henrik Jacobsen, Niels Gjøl |
author_sort |
Bredmose, Henrik |
title |
Breaking wave impacts on offshore wind turbine foundations:Focused wave groups and CFD |
title_short |
Breaking wave impacts on offshore wind turbine foundations:Focused wave groups and CFD |
title_full |
Breaking wave impacts on offshore wind turbine foundations:Focused wave groups and CFD |
title_fullStr |
Breaking wave impacts on offshore wind turbine foundations:Focused wave groups and CFD |
title_full_unstemmed |
Breaking wave impacts on offshore wind turbine foundations:Focused wave groups and CFD |
title_sort |
breaking wave impacts on offshore wind turbine foundations:focused wave groups and cfd |
publisher |
The American Society of Mechanical Engineers (ASME) |
publishDate |
2010 |
url |
https://orbit.dtu.dk/en/publications/4ea14426-ff94-4479-87f9-a00557ea2682 |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Bredmose , H & Jacobsen , N G 2010 , Breaking wave impacts on offshore wind turbine foundations : Focused wave groups and CFD . in OMAE2010 . The American Society of Mechanical Engineers (ASME) , pp. 20368 , 29th International Conference on Ocean, Offshore and Arctic Engineering , Shanghai , China , 06/06/2010 . |
op_relation |
https://orbit.dtu.dk/en/publications/4ea14426-ff94-4479-87f9-a00557ea2682 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
_version_ |
1798837730524790784 |