Verification and Validation of Multisegmented Mooring Capabilities in FAST v8

Morten Thøtt Andersen, Fabian F. Wendt, Amy N. Robertson, Jason M. Jonkman, Matthew Hall

    Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

    9 Citations (Scopus)

    Abstract

    The quasi-static and dynamic mooring modules of the open-source aero-hydro-servo-elastic wind turbine simulation software, FAST v8, have previously been verified and validated, but only for mooring arrangements consisting of single lines connecting each fairlead and anchor. This paper extends the previous verification and validation efforts to focus on the multisegmented mooring capability of the FAST v8 modules: MAP++, MoorDyn, and the OrcaFlex interface. The OC3-Hywind spar buoy system tested by the DeepCwind consortium at the MARIN ocean basin, which includes a multisegmented bridle layout of the mooring system, was used for the verification and validation activities. This paper focuses on free-decay tests because the influence of the multisegmented moorings is most important for yaw motion, which is not excited by waves. All of the listed modules are able to represent the platform motion observed in the experimental data to a satisfactory degree. MoorDyn and the benchmark tool (OrcaFlex) yield almost indistinguishable results. But due to limitations of the system tested and data obtained, further work is needed to truly validate the multisegmented capability.
    Original languageEnglish
    Title of host publicationThe Proceedings of the Twenty-sixth (2016) International Ocean and Polar Engineering Conference
    EditorsJin S. Chung, Michael Muskulus, Ted Kokkinis, Alan M. Wang
    Number of pages8
    Volume1
    PublisherInternational Society of Offshore & Polar Engineers
    Publication date2016
    Pages371-378
    ISBN (Print)978-1-880653-88-3
    Publication statusPublished - 2016
    EventISOPE: The 26th International Ocean and Polar Engineering Conference - Rhodos, Greece
    Duration: 25 Jun 20161 Jul 2016

    Conference

    ConferenceISOPE: The 26th International Ocean and Polar Engineering Conference
    Country/TerritoryGreece
    CityRhodos
    Period25/06/201601/07/2016
    SeriesProceedings of the International Offshore and Polar Engineering Conference
    Number25
    ISSN1098-6189

    Keywords

    • Floating offshore wind turbine
    • Multisegmented mooring
    • Modeling
    • Verification
    • Validation

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