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Publisher DOI: 10.1088/1742-6596/1618/3/032033
Title: OC6 Phase I: Investigating the underprediction of low-frequency hydrodynamic loads and responses of a floating wind turbine
Language: English
Authors: Robertson, A. N. 
Gueydon, Sébastien 
Bachynski, Erin E. 
Wang, Lu 
Jonkman, Jason 
Alarcón, D. 
Amet, Erkek 
Beardsell, Alec 
Bonnet, Paul 
Boudet, B. 
Brun, C. 
Chen, Zhen 
Féron, Marie 
Forbush, Dominic 
Galinos, Christos 
Galvan, Josean 
Gilbert, Philippe 
Gómez, J. 
Harnois, V. 
Haudin, Florence 
Hu, Z. 
Le Dreff, Jean-Baptiste 
Leimeister, Mareike 
Lemmer, Frank 
Li, He 
Mckinnon, Gill 
Mendikoa, Iñigo 
Moghtadaei, Abdolmajid 
Netzband, Stefan 
Oh, Won‐Suck 
Pegalajar-Jurado, Antonio 
Nguyen, Minh Quan 
Ruehl, Kelley 
Schünemann, Paul 
Shi, Wei 
Shin, H. 
Si, Yulin 
Surmont, Florian 
Trubat, Pau 
Qwist, J. 
Wohlfahrt-Laymann, Svenja 
Issue Date: 21-Sep-2020
Publisher: IOP Publ.
Source: Journal of Physics: Conference Series (1618): 032033 (2020)
Journal or Series Name: Journal of physics. Conference Series 
Abstract (english): Phase I of the OC6 project is focused on examining why offshore wind design tools underpredict the response (loads/motion) of the OC5-DeepCwind semisubmersible at its surge and pitch natural frequencies. Previous investigations showed that the underprediction was primarily related to nonlinear hydrodynamic loading, so two new validation campaigns were performed to separately examine the different hydrodynamic load components. In this paper, we validate a variety of tools against this new test data, focusing on the ability to accurately model the low-frequency loads on a semisubmersible floater when held fixed under wave excitation and when forced to oscillate in the surge direction. However, it is observed that models providing better load predictions in these two scenarios do not necessarily produce a more accurate motion response in a moored configuration.
DOI: 10.15480/882.3030
ISSN: 1742-6596
Institute: Fluiddynamik und Schiffstheorie M-8 
Type: (wissenschaftlicher) Artikel
License: CC BY 3.0 (Attribution) CC BY 3.0 (Attribution)
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