OC6 Phase III Definition Document

Amy Robertson, Roger Bergua, Alessandro Fontanella, Jason Jonkman

Research output: NRELTechnical Report


The objective of Phase III of the Offshore Code Comparison Collaboration, Continued, with Correlation and unCertainty (OC6) project was to evaluate the accuracy of aerodynamic load predictions by offshore wind modeling tools for a floating offshore wind turbine as it experiences large surge-translational and pitch-rotational motion, as would occur during normal operation. A variety of models were examined in the project, with the goal of performing a three-way validation between engineering-level tools, higher-fidelity tools, and measurement data from two wind tunnel experimental campaigns. This document provides the necessary information to model and simulate the system studied in the OC6 Phase III project. This information is not only useful for project participants, but also future modelers who want to replicate this work for verification and validation purposes.
Original languageAmerican English
Number of pages39
StatePublished - 2023

NREL Publication Number

  • NREL/TP-5000-83102


  • aerodynamics
  • OC6
  • offshore wind
  • validation


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