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1 results

  • 7 - Floating Substructures

  • Finn Gunnar Nielsen, Universitetet i Bergen, Norway
  • Book:
    Offshore Wind Energy
    Published online:
    07 March 2024
    Print publication:
    14 March 2024, pp 213-290

  • Summary

    Introduces the concepts of hydrodynamic mass and damping, and shows how the inertia, damping and restoring matrices may be established for a six-degrees-of-freedom floating structure built from vertical columns and horizontal pontoons. Also, the computation of mass and damping matrices and wave loading general body shapes are addressed. How cancellation of wave loads may be obtained is demonstrated. The restoring effect of mooring lines is discussed, including frequency-dependent stiffness. Finally, control issues that are particular to floating wind turbines are discussed.