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ARTÍCULO
TITULO

Ocean Energy Systems Wave Energy Modelling Task: Modelling, Verification and Validation of Wave Energy Converters

Fabian Wendt    
Kim Nielsen    
Yi-Hsiang Yu    
Harry Bingham    
Claes Eskilsson    
Morten Kramer    
Aurélien Babarit    
Tim Bunnik    
Ronan Costello    
Sarah Crowley    
Benjamin Gendron    
Giuseppe Giorgi    
Simone Giorgi    
Samuel Girardin    
Deborah Greaves    
Pilar Heras    
Johan Hoffman    
Ha?zul Islam    
Ken-Robert Jakobsen    
Carl-Erik Janson    
Johan Jansson    
Hyun Yul Kim    
Jeong-Seok Kim    
Kyong-Hwan Kim    
Adi Kurniawan    
Massimiliano Leoni    
Thomas Mathai    
Bo-Woo Nam    
Sewan Park    
Krishnakumar Rajagopalan    
Edward Ransley    
Robert Read    
John V. Ringwood    
José Miguel Rodrigues    
Benjamin Rosenthal    
André Roy    
Kelley Ruehl    
Paul Scho?eld    
Wanan Sheng    
Abolfazl Shiri    
Sarah Thomas    
Imanol Touzon and Imai Yasutakaadd Show full author list remove Hide full author list    

Resumen

The International Energy Agency Technology Collaboration Programme for Ocean Energy Systems (OES) initiated the OES Wave Energy Conversion Modelling Task, which focused on the verification and validation of numerical models for simulating wave energy converters (WECs). The long-term goal is to assess the accuracy of and establish confidence in the use of numerical models used in design as well as power performance assessment of WECs. To establish this confidence, the authors used different existing computational modelling tools to simulate given tasks to identify uncertainties related to simulation methodologies: (i) linear potential flow methods; (ii) weakly nonlinear Froude?Krylov methods; and (iii) fully nonlinear methods (fully nonlinear potential flow and Navier?Stokes models). This article summarizes the code-to-code task and code-to-experiment task that have been performed so far in this project, with a focus on investigating the impact of different levels of nonlinearities in the numerical models. Two different WECs were studied and simulated. The first was a heaving semi-submerged sphere, where free-decay tests and both regular and irregular wave cases were investigated in a code-to-code comparison. The second case was a heaving float corresponding to a physical model tested in a wave tank. We considered radiation, diffraction, and regular wave cases and compared quantities, such as the WEC motion, power output and hydrodynamic loading.

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