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

National Renewable Energy Laboratory (NREL), 15013 Denver West Parkway, Golden, CO 80401, USA
Ramboll Group A/S, Hannemanns Allé 53, DK-2300 Copenhagen S, Denmark
Department of Civil Engineering, Aalborg University (AAU), Thomas Mann Vej 23, 9220 Aalborg Ø, Denmark
Department of Mechanical Engineering, Technical University of Denmark (DTU) Nils Koppels Allé, Building 404, DK-2800 Kgs, Lyngby, Denmark
Research Institutes of Sweden (RISE), E-411 33 Göteborg, Sweden
Floating Power Plant (FPP), A/S, 2625 Vallensbæk, Denmark
Centrale Nantes (ECN)—CNRS, 44321 Nantes, France
Maritime Research Institute Netherlands (MARIN) Haagsteeg 2, 6708 PM Wageningen, The Netherlands
Wave Venture, Unit 6a Penstraze Business Centre, Truro TR4 8PN, UK
WavEC Offshore Renewables, R. Dom Jerónimo Osório n11, 1400-119 Lisboa, Portugal
INNOSEA, 1 rue de la Noë, CS 12102, 44321 Nantes, France
Centre for Ocean Energy Research (COER), National University, Maynooth, W23F2H6 Co. Kildare, Ireland
School of Engineering, Computing and Mathematics, University of Plymouth (UoP), Plymouth, Devon PL4 8AA, UK
Royal Institute of Technology (KTH), Stockholm, 114 28 Stockholm, Sweden
Instituto Superior Técnico (IST), 1049-001 Lisboa Codex, Portugal
EDR&Medeso AB, Leif Tronstads plass 4, NO-1337 Sandvika, Norway
Department of Mechanics and Maritime Sciences, Chalmers University of Technology (CTH), 40482 Gothenburg, Sweden
Navatek, 841 Bishop St, Honolulu, HI 96813, USA
Korea Research Institute of Ships and Ocean Engineering (KRISO), 1312-32 Yuseong-daero, Yuseong-gu, Daejeon 34103, Korea
Basque Center for Applied Mathematics (BCAM), Mazarredo 14, E48009 Bilbao, Spain
Hawaii Natural Energy Institute (HNEI), University of Hawaii, Honolulu, HI 96822, USA
Dynamic Systems Analysis (DSA), 201-754 Broughton Street, Victoria, BC V8W 1E1, Canada
Sandia National Laboratories, Albuquerque, NM 87123, USA
ANSYS, Houston, TX 77094, USA
University College Cork (UCC), College Road, T12 K8AF Cork, Ireland
SSPA Sweden AB, Research, Box 24001, 40022 Göteborg, Sweden
Tecnalia Research & Innovation, Mikeletegi Pasealekua, 1-3, 20009 Donostia-San Sebastián, Spain
Institute of Ocean Energy, Saga University, Honjo 1, Saga 8408502, Japan
Author to whom correspondence should be addressed.
Current address: SW MARE Marine Technology, East Avenue, Frankfield, T12 A6FA Cork, Ireland.
Current address: SINTEF Ocean, Marinteknisk Senter, 7052 Trondheim, Norway.
Current address: Wave Energy Research Centre, The University of Western Australia (UWA), 35 Stirling Terrace, Albany 6330, Australia.
J. Mar. Sci. Eng. 2019, 7(11), 379;
Received: 11 September 2019 / Revised: 17 October 2019 / Accepted: 19 October 2019 / Published: 25 October 2019
(This article belongs to the Special Issue Nonlinear Numerical Modelling of Wave Energy Converters)
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. View Full-Text
Keywords: wave energy; numerical modelling; simulation; boundary element method; computational fluid dynamics wave energy; numerical modelling; simulation; boundary element method; computational fluid dynamics
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MDPI and ACS Style

Wendt, F.; Nielsen, K.; Yu, Y.-H.; Bingham, H.; Eskilsson, C.; Kramer, M.; Babarit, A.; Bunnik, T.; Costello, R.; Crowley, S.; Gendron, B.; Giorgi, G.; Giorgi, S.; Girardin, S.; Greaves, D.; Heras, P.; Hoffman, J.; Islam, H.; Jakobsen, K.-R.; Janson, C.-E.; Jansson, J.; Kim, H.Y.; Kim, J.-S.; Kim, K.-H.; Kurniawan, A.; Leoni, M.; Mathai, T.; Nam, B.-W.; Park, S.; Rajagopalan, K.; Ransley, E.; Read, R.; Ringwood, J.V.; Rodrigues, J.M.; Rosenthal, B.; Roy, A.; Ruehl, K.; Schofield, P.; Sheng, W.; Shiri, A.; Thomas, S.; Touzon, I.; Yasutaka, I. Ocean Energy Systems Wave Energy Modelling Task: Modelling, Verification and Validation of Wave Energy Converters. J. Mar. Sci. Eng. 2019, 7, 379.

AMA Style

Wendt F, Nielsen K, Yu Y-H, Bingham H, Eskilsson C, Kramer M, Babarit A, Bunnik T, Costello R, Crowley S, Gendron B, Giorgi G, Giorgi S, Girardin S, Greaves D, Heras P, Hoffman J, Islam H, Jakobsen K-R, Janson C-E, Jansson J, Kim HY, Kim J-S, Kim K-H, Kurniawan A, Leoni M, Mathai T, Nam B-W, Park S, Rajagopalan K, Ransley E, Read R, Ringwood JV, Rodrigues JM, Rosenthal B, Roy A, Ruehl K, Schofield P, Sheng W, Shiri A, Thomas S, Touzon I, Yasutaka I. Ocean Energy Systems Wave Energy Modelling Task: Modelling, Verification and Validation of Wave Energy Converters. Journal of Marine Science and Engineering. 2019; 7(11):379.

Chicago/Turabian Style

Wendt, Fabian; Nielsen, Kim; Yu, Yi-Hsiang; Bingham, Harry; Eskilsson, Claes; Kramer, Morten; Babarit, Aurélien; Bunnik, Tim; Costello, Ronan; Crowley, Sarah; Gendron, Benjamin; Giorgi, Giuseppe; Giorgi, Simone; Girardin, Samuel; Greaves, Deborah; Heras, Pilar; Hoffman, Johan; Islam, Hafizul; Jakobsen, Ken-Robert; Janson, Carl-Erik; Jansson, Johan; Kim, Hyun Y.; Kim, Jeong-Seok; Kim, Kyong-Hwan; Kurniawan, Adi; Leoni, Massimiliano; Mathai, Thomas; Nam, Bo-Woo; Park, Sewan; Rajagopalan, Krishnakumar; Ransley, Edward; Read, Robert; Ringwood, John V.; Rodrigues, José M.; Rosenthal, Benjamin; Roy, André; Ruehl, Kelley; Schofield, Paul; Sheng, Wanan; Shiri, Abolfazl; Thomas, Sarah; Touzon, Imanol; Yasutaka, Imai. 2019. "Ocean Energy Systems Wave Energy Modelling Task: Modelling, Verification and Validation of Wave Energy Converters" J. Mar. Sci. Eng. 7, no. 11: 379.

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