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7 - Floating Substructures

Published online by Cambridge University Press:  07 March 2024

Finn Gunnar Nielsen
Affiliation:
Universitetet i Bergen, Norway
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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.

Type
Chapter
Information
Offshore Wind Energy
Environmental Conditions and Dynamics of Fixed and Floating Turbines
, pp. 213 - 290
Publisher: Cambridge University Press
Print publication year: 2024

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