Ship-cargo Interaction for Vessels Carrying Large Wind Turbine Monopiles

Davey Mikail, Menko Teunis, Apostolos Grammatikopoulos*

*Corresponding author for this work

Research output: Contribution to conferencePaper

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Abstract

The increasing demand for decarbonisation to achieve the green transition leads to a higher required capacity for all types of renewable energy farms, including offshore wind. Due to the large required spacing between turbines to maximise their efficiency, their individual size is constantly increasing. A direct consequence for heavy lift and transport ships is that a decreasing number of monopiles can be transported in the cargo hold due to space restrictions. In fact, in many cases monopiles do not fit in the cargo hold at all and are attached to the main deck instead. When lashed on the deck, the monopiles span across most of the length of the ship, and their bending stiffness is significant, as they are designed to withstand harsh ocean conditions. This raises the concern that, depending on the lashing method, the monopiles can have significant effects on the dynamic behaviour of the ship’s hull. In this investigation, the ship’s hull and the monopiles are modelled as a coupled system with appropriate boundary conditions, and the effects of the number of monopiles and lashing method on the vertical bending responses of the vessel are quantified.
Original languageEnglish
Number of pages11
Publication statusPublished - 2022
Event9th International Conference on Hydroelasticity in Marine Technology - Rome, Italy
Duration: 10 Jul 202213 Jul 2022

Conference

Conference9th International Conference on Hydroelasticity in Marine Technology
Country/TerritoryItaly
CityRome
Period10/07/2213/07/22

Keywords

  • heavy-lift ship
  • offshore wind
  • ship-cargo interaction
  • vertical bending

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