SubDyn User's Guide and Theory Manual

Rick Damiani, Jason Jonkman

Research output: NRELTechnical Report


SubDyn is a time-domain structural-dynamics module for multimember fixed-bottom substructures created by the National Renewable Energy Laboratory (NREL) through U.S. Department of Energy Wind and Water Power Program support. The module has been coupled into the FAST aero-hydro-servo-elastic computer-aided engineering (CAE) tool. Substructure types supported by SubDyn include monopiles, tripods, jackets, and other lattice-type substructures common for offshore wind installations in shallow and transitional water depths. SubDyn can also be used to model lattice support structures for land-based wind turbines.
Original languageAmerican English
Number of pages60
StatePublished - 2015

NREL Publication Number

  • NREL/TP-5000-63062


  • computer aided engineering (CAE)
  • fixed-bottom substructures
  • modeling
  • module
  • NREL
  • structural dynamics
  • SubDyn


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