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Publications
Chen, Y., Liu, H., Huang, J., Chen, M., Tang, Y., Jiang, X. and Hallak, T.S. (2025), Effects of heave plates on the mooring system installation process for floating offshore wind turbines, Innovations in Renewable Energies Offshore, Guedes Soares, C. & Wang S. (Ed.), Taylor and Francis Group, London, UK, 379-388.
In this paper, a numerical investigation is carried out to analyze the effects of heave plates on the coupled dynamics of a semi-submersible Floating Offshore Wind Turbine during mooring system installation process. The developed methodology accounts for the environmental forces of incident waves, as well as wind and current. The environmental forces act on the floating platform and in the three tugboats that are used during the operation of mooring system installation. Station-keeping of the floating platform is accomplished via tem-porary positioning system aided by the three tugboats and cable connection. Wave-structure interaction is sim-ulated considering the hydrodynamic effects of diffraction and radiation waves as well as nonlinear Morison drag, whereas the damping correction methodology is developed considering multi-fidelity tools, namely, drag coefficients are obtained from Computational Fluid Dynamics solvers and empirical formulae. Under those assumptions, systematic comparison is performed between dissimilar heave plates in frequency- and time-do-main. Because heave plates are designed according to operational criteria, this research offers valuable insights into the effects of optimal and non-optimal heave plate designs during mooring system installation process.
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