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Title: A Modelling Study of Hamakaze Fowt
Authors: Teo, Wei Ywin
Ong, Paul Pang Awn 
Keywords: frequency domain
time domain
dynamic analysis
offshore wind turbine
Fukushima Demonstrative FORWARD project
advanced spar
Issue Date: 18-Mar-2022
Publisher: OTC
Citation: Teo, Wei Ywin, Ong, Paul Pang Awn (2022-03-18). A Modelling Study of Hamakaze Fowt. Offshore Technology Conference Asia. ScholarBank@NUS Repository.
Abstract: Offshore wind farms are venturing into deeper water, where wind is steadier and stronger, to tap on more wind energy. The installation of wind turbines in deeper waters requires the use of a floating wind turbine. Designing the floating platforms is challenging as dynamic effects waves, wind, and currents, have to be considered. Hydrodynamic behaviours can only be modelled accurately in time domain analysis, which requires an immense computational effort, when several load cases are taken into consideration. A more efficient approach is to first conduct stability analysis to identify the modal frequencies, and subsequently carry out time domain analysis using those modal frequencies. This paper describes a static study and time domain analysis on an innovative offshore spar turbine with hulls. Ansys Aqwa, a finite-element software, is used to study a model proposed by Mitsubishi Heavy Industries. The key objective is to explore a more cost-effective offshore platform by investigating the relationship between the geometry of hulls and the responses of the platform.
Source Title: Offshore Technology Conference Asia
DOI: 10.4043/31468-ms
Appears in Collections:Staff Publications

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