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On Mooring Solutions for Large Wave Energy Converters

Jonas Bjerg Thomsen ; Jens Peter Kofoed ; Francesco Ferri ; Claes Eskilsson (Institutionen för mekanik och maritima vetenskaper) ; Lars Bergdahl (Institutionen för mekanik och maritima vetenskaper) ; Martin Delaney ; Sarah Thomas ; Kim Nielsen ; Kurt Due Rasmussen ; Erik Friis-Madsen
Proceedings of the 12th European Wave and Tidal Energy Conference 27th Aug -1st Sept 2017, Cork, Ireland (2309-1983). (2017)
[Konferensbidrag, refereegranskat]

The present paper describes the work carriedout in the project ’Mooring Solutions for Large Wave Energy Converters’, which is a Danish research project carried out in aperiod of three years from September 2014, with the aim of reducing cost of the moorings for four wave energy converters and improving the applied design procedure.The paper presents the initial layouts and costs and illustrates which solutions could potentially reduce cost. Different methods foranalysis of the systems were applied, ranging from simplequasi - static analysis to full dynamic analysis and experimental work. The numerical methods were compared to the experimental data, and results showed significant underestimation of tensions inthequasi - static model while reasonable overestimation was found in the dynamic analysis even without major tuning of the model. The dynamic analysis has then been implemented in a meta - model based optimization process with the aim of optimizing the mooring layout for each WEC according to cost of the systems.

Nyckelord: Wave Energy Converters, Mooring, Station Keeping, Synthetic Lines, Dynamic Analysis



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Denna post skapades 2017-09-15. Senast ändrad 2017-09-28.
CPL Pubid: 251937

 

Institutioner (Chalmers)

Institutionen för mekanik och maritima vetenskaper

Ämnesområden

Energi
Hållbar utveckling
Mekanisk energiteknik

Chalmers infrastruktur