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Title: OC5 Project Phase I: Validation of Hydrodynamic Loading on a Fixed Cylinder: Preprint

This paper describes work performed during the first half of Phase I of the Offshore Code Comparison Collaboration Continuation, with Correlation project (OC5). OC5 is a project run under the IEA Wind Research Task 30, and is focused on validating the tools used for modeling offshore wind systems. In this first phase, simulated responses from a variety of offshore wind modeling tools were modeling tools were validated against tank test data of a fixed, suspended cylinder (without a wind turbine) that was tested under regular and irregular wave conditions at MARINTEK. The results from this phase include an examination of different approaches one can use for defining and calibrating hydrodynamic coefficients for a model, and the importance of higher-order wave models in accurately modeling the hydrodynamic loads on offshore substructures.
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Conference: International Offshore and Polar Engineering Conference (ISOPE 2015), 21-26 June 2015, Kona, Hawaii
Research Org:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
Contributing Orgs:
Fraunhofer IWES; Vorpahl Wind Engineering Consultants; MARINTEK; Politecnico di Milano; University of Stuttgart; Institute for Energy Technology; DNV GL; University of Tokyo; University of Ulsan; Knowledge Centre WMC; IFP Energies nouvelles; Alstom Wind; 4Subsea; Dongfang Turbine Co.; ABS; WavEC Offshore Renewables; Norwegian University of Science and Technology; Chinese General Certification; et
Country of Publication:
United States
17 WIND ENERGY; offshore wind; wind turbine; code comparison; modeling; wave harmonics; IEA; NREL