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OC5 Project Phase Ib: Validation of hydrodynamic loading on a fixed, flexible cylinder for offshore wind applications

Journal Article · · Energy Procedia (Online)
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  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  2. Fraunhofer IWES (Germany)
  3. Technical Univ. of Denmark (Denmark)
  4. Danish Hydraulic Institute (Denmark)
  5. 4Subsea (Norway)
  6. GE Renewable Energy (Spain)
  7. DNV GL (England)
  8. Institute of Energy Technology (Norway)
  9. IFP Energies nouvelles (France)
  10. PRINCIPIA (France)
  11. Univ. de Cantabria - IH Cantabria (Spain)
  12. MARINTEK (Norway)
  13. Norwegian Univ. of Science and Technology (Norway)
  14. Politecnico di Milano (Italy)
  15. Univ. of Stuttgart (Germany)
  16. Univ. of Ulsan (Korea)
  17. Knowledge Centre WMC (The Netherlands)
  18. WavEC Offshore Renewables (Portugal)
+ Show Author Affiliations
This paper summarizes the findings from Phase Ib of the Offshore Code Comparison, Collaboration, Continued with Correlation (OC5) project. OC5 is a project run under the International Energy Agency (IEA) Wind Research Task 30, and is focused on validating the tools used for modelling offshore wind systems through the comparison of simulated responses of select offshore wind systems (and components) to physical test data. For Phase Ib of the project, simulated hydrodynamic loads on a flexible cylinder fixed to a sloped bed were validated against test measurements made in the shallow water basin at the Danish Hydraulic Institute (DHI) with support from the Technical University of Denmark (DTU). The first phase of OC5 examined two simple cylinder structures (Phase Ia and Ib) to focus on validation of hydrodynamic models used in the various tools before moving on to more complex offshore wind systems and the associated coupled physics. As a result, verification and validation activities such as these lead to improvement of offshore wind modelling tools, which will enable the development of more innovative and cost-effective offshore wind designs.
Research Organization:
NREL (National Renewable Energy Laboratory (NREL), Golden, CO (United States))
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1329989
Report Number(s):
NREL/JA--5000-66648
Journal Information:
Energy Procedia (Online), Journal Name: Energy Procedia (Online) Journal Issue: C Vol. 94; ISSN 1876-6102
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (6)

Hydrodynamic coefficients for calculation of hydrodynamic loads on offshore truss structures journal September 1996
A note on the simulation and analysis of irregular non-linear waves journal January 1995
DeRisk — Accurate Prediction of ULS Wave Loads. Outlook and First Results journal September 2016
An efficient flexible-order model for 3D nonlinear water waves journal April 2009
Wave Loads on a Monopile in 3D Waves conference July 2012
Dynamic Excitation of Monopiles by Steep and Breaking Waves: Experimental and Numerical Study conference June 2013

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Related Subjects

17 WIND ENERGY
cylinder
hydrodynamics
monopile
offshore wind
validation
verification