Kamarlouei, M., Gaspar, J.F., Hallak, T.S., Guedes Soares, C. and Thiebaut, F. (2021), “Survivability analysis of the mooring system of a combined wave and wind harvesting concept”, Developments in Renewable Energies Offshore, Guedes Soares, C. (Ed.), Taylor and Francis, London, UK, pp. 282-290

This paper presents the experimental analysis of a catenary mooring system, made of three lines of steel chain and ropes, designed for the station-keeping of a combined floating offshore platform. The platform hosts a wind turbine in the center and one of two possible arrays of three and six wave energy converters, respectively. The converters are made of point absorber floaters concentrically attached to the platform with long hinged arms, which are submerged in survival conditions to avoid big wave slamming loads on the converters, structure, and mooring system. Mooring loads in operational and survival scenarios are analyzed and compared to investigate the impact of this design approach on the mooring survivability and to better understand how to improve. Moreover, this study also aims to contribute to the definition of survivability design guidelines for this specific type of floating platforms.

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