Accounting for Hydroelasticity in the Analysis of Offshore Wind Turbine Spar-Type Platforms

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    In this paper, linear frequency-domain hydroelastic analysis is performed for investigating the behavior of a spar-type supporting platform of a floating offshore wind turbine considering the platform’s flexibility. A “dry” mode superposition approach is utilized, where the flexible mode shapes are determined through the application of a FEM based structural model. The diffraction/radiation problem is solved using the boundary integral equation method. Focus is given on the flexible modes’ generalized hydrodynamic forcing and responses, the spar’s hydroelastic response and the coupling effects between the flexible and the rigid-body modes. For irregular waves, the effect of the peak period on the response spectra and the hydroelastic response is analyzed.
    Original languageEnglish
    Title of host publicationISOPE 2019 Conference
    Subtitle of host publicationThe 29th International Ocean and Polar Engineering Conference: ISOPE-2019; June 2019; Hawaii, United States
    PublisherInternational Society of Offshore and Polar Engineers (ISOPE)
    Pages1-8
    Publication statusAccepted - 25 Feb 2019
    EventThe 29th International Ocean and Polar Engineering Conference: ISOPE-2019 - Hawaii, USA, Hawaii, United States
    Duration: 16 Jun 201921 Jun 2019

    Conference

    ConferenceThe 29th International Ocean and Polar Engineering Conference
    CountryUnited States
    CityHawaii
    Period16/06/201921/06/2019

    ID: 165565875