Comparison of Second-Order Loads on a Tension-Leg Platform for Wind Turbines

Jason Jonkman, Amy Robertson, S. Gueydon, P. Wuillaume, Andrew Platt

Research output: Contribution to conferencePaperpeer-review

5 Scopus Citations

Abstract

The first objective of this work is to compare the two floating offshore wind turbine simulation packages; (DIFFRAC+aNySIM) and (WAMIT+FAST). The focus of this study is on second-order wave loads; therefore, first- and second-order wave loads are applied to a structure sequentially for a detailed comparison and a more precise analysis of the effects of the second-order loads. aNySIM does not have the capability to model flexible bodies, so the simulations performed in this tool are done assuming a rigid body. FAST also assumes that the platform is rigid but can account for the flexibility of the tower. The second objective is to study the effects of the second-order loads on the response of a tension-leg platform (TLP) floating wind turbine. The flexibility of the tower must be considered for this investigation; therefore, only FAST is used.

Original languageAmerican English
Pages507-516
Number of pages10
StatePublished - 2015
Event25th International Ocean and Polar Engineering Conference, ISOPE 2015 - Kona, Big Island, United States
Duration: 21 Jun 201526 Jun 2015

Conference

Conference25th International Ocean and Polar Engineering Conference, ISOPE 2015
Country/TerritoryUnited States
CityKona, Big Island
Period21/06/1526/06/15

Bibliographical note

See NREL/CP-5000-63840 for preprint

NREL Publication Number

  • NREL/CP-5000-65470

Keywords

  • aNySIM
  • Diff-frequency
  • DIFFRAC
  • FAST
  • Flexibility
  • Resonance
  • Second-order
  • Sum-frequency
  • Tension-leg platform
  • TLP
  • WAMIT

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