Full-System Linearization for Floating Offshore Wind Turbines in OpenFAST

Research output: Contribution to conferencePaperpeer-review

31 Scopus Citations

Abstract

The wind engineering community relies on multiphysics engineering software to run nonlinear time-domain simulations (e.g., for design-standards-based loads analysis). Although most physics involved in wind energy are nonlinear, linearization of the underlying nonlinear system equations is often advantageous to understand the system properties and exploit well-established methods and tools for analyzing linear systems. This paper presents the development of the new linearization functionality of the open-source engineering tool OpenFAST for floating offshore wind turbines, as well as the concepts and mathematical background needed to understand and apply it.

Original languageAmerican English
Number of pages10
DOIs
StatePublished - 2018
EventASME 2018 1st International Offshore Wind Technical Conference, IOWTC 2018 - San Francisco, United States
Duration: 4 Nov 20187 Nov 2018

Conference

ConferenceASME 2018 1st International Offshore Wind Technical Conference, IOWTC 2018
Country/TerritoryUnited States
CitySan Francisco
Period4/11/187/11/18

Bibliographical note

See NREL/CP-5000-71865 for preprint

NREL Publication Number

  • NREL/CP-5000-73112

Keywords

  • floating offshore wind turbine (FOWT)
  • linearization
  • OpenFAST
  • state-space-based wave excitation
  • state-space-based wave radiation

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