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Waves-current effect investigation on monopile excitation force employing approximate forward speed approach
Herdayanditya, I.; Donatini, L.; Verao Fernandez, G.; Brama Krishna Pribadi, A.; Rauwoens, P. (2022). Waves-current effect investigation on monopile excitation force employing approximate forward speed approach, in: Candries, M. et al. 6th MASHCON - International Conference on Ship Manoeuvring in Shallow and Confined Water with special focus on port manoeuvres, 22 - 26 May 2022, Glasgow, UK. pp. 72-88
In: Candries, M. et al. (2022). 6th MASHCON - International Conference on Ship Manoeuvring in Shallow and Confined Water with special focus on port manoeuvres, 22 - 26 May 2022, Glasgow, UK. Ghent University. Maritime Technology Division/Flanders Hydraulics Research/University of Strathclyde Glasgow: Ghent. XVIII, 355 pp.
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Documenttype: Congresbijdrage
Auteurs  Top 
  • Herdayanditya, I., meer
  • Donatini, L., meer
  • Verao Fernandez, G., meer
  • Brama Krishna Pribadi, A.
  • Rauwoens, P., meer
Abstract
    Monopile foundations have become one of the most viable options for fixed offshore wind turbines. In the recent years, The monopile diameter has been increased to accommodate bigger wind turbines. Consequently, the wave diffraction force Component can also significantly influence the structural performance of the monopile. This paper numerically investigates The excitation force on a monopile that is exposed to wave and current loads. The simulations were performed with a BEM Solver called Capytaine that has been adapted to include the Approximate Forward Speed (AFS) approach. The AFS Accounts for forward-speed (or current) effect by giving correction terms on the zero-speed excitation and radiation forces, Where the zero-speed components are obtained from Capytaine. In this paper, the code is validated for a large cylinder Case (i.e. The diameter is equal to the water depth) in a wave-current condition for which semi-analytical results exist in Literature.
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