The floating platform shall be based on the Trifloater semi-submersible presented by Lefebvre and Collu
[3], and subsequently fitted with a straight-bladed H-type VAWT presented by Borg et al. [4]. The rotor
reaches the rated capacity of 5MW at 15 m/s in a wind profile with vertical power law exponent of 0.11.
Table 1 gives the characteristics of the support structure and turbine. The operational site chosen is the
Dogger Bank area in the North Sea, which is representative of the environmental conditions present for
many offshore wind farms currently being developed. Table 1 also presents the representative JONSWAP
wave spectrum parameters [5] that shall be implemented in the time-domain simulations. A water depth
of 40 metres shall be assumed.