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    Numerical Approaches for Loads and Motions Assessment of Floating WECs Moored by Means of Catenary Mooring Systems

    Identifiers
    URI: http://hdl.handle.net/11556/1265
    ISSN: 2211-0984
    DOI: 10.1007/978-3-030-87383-7_7
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    Author/s
    Touzon, Imanol; Petuya, Victor; Nava, Vincenzo; Alonso-Reig, Maria; Mendikoa, Iñigo
    Date
    2021-10-14
    Keywords
    Affordable and clean energy (SDG7)
    Multibody dynamics
    Catenary mooring
    Offshore renewable energy
    Oscillating water column
    Abstract
    Technologies for harvesting offshore renewable energy based on floating platforms, such as offshore wind, wave and tidal energies, are currently being developed with the purpose of achieving a competitive cost of energy. The economic impact of the mooring system is significant within the total cost of such deployments, and large efforts are being carried out to optimize designs. Analysis of mooring systems at early stages generally require a trade-off between quick analysis methods and accuracy to carry out multi-variate sensitivity analyses. Even though the most accurate approaches are based on the non-linear finite element method in the time domain, these can result in being very time consuming. The most widely used numerical approaches for mooring line load estimates are introduced and discussed in this paper. It is verified that accurate line tension estimates require lines drag and inertia forces to be accounted for. A mooring and floating structure coupled model based on the ...
    Type
    conferenceObject

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