MRS Modelling in OpenFAST

Research output: NRELPresentation


Multi-rotor wind turbines, where more than one rotor is connected to a single support structure, are increasing in popularity due to their balance of power generation with component size, weight, and cost. Multi-rotor turbines are also common in marine energy, where deployment sites tend to be depth-constrained, limiting the maximum size of a rotor. To support the industry and research communities in designing and modeling multi-rotor turbines, the open-source turbine modeling tool OpenFAST, developed and supported by the National Renewable Energy Laboratory, is being extended to model multi-rotor wind and marine turbines. This presentation gives an overview of the current state of OpenFAST, planned changes to enable coupled aero-hydro-servo-elastic dynamic modeling of multi-rotor turbines, and examples of the types of turbines that OpenFAST will support.
Original languageAmerican English
Number of pages15
StatePublished - 2024

Publication series

NamePresented at the 3rd International Seminar on Multi Rotor Wind Technology, 12-13 June 2024, Glasgow, Scotland

NREL Publication Number

  • NREL/PR-5700-90223


  • marine energy
  • multi-rotor turbine
  • OpenFAST
  • reduced-order modeling
  • wind energy


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