Coupled analysis of offshore wind turbine jacket structures with pile-soil-structure interaction using FAST v8 and X-SEA

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dc.contributor.authorPlodpradit, Pasin
dc.contributor.authorDinh, Duc V.
dc.contributor.authorKim, Ki-Du
dc.contributor.funderKorea Electric Power Corporationen
dc.contributor.funderMinistry of Trade, Industry & Energy (MOTIE, Korea)en
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2019-09-02T14:36:47Z
dc.date.available2019-09-02T14:36:47Z
dc.date.issued2019-04-19
dc.description.abstractThe coupled analysis between a turbine in operating condition and a complex jacket support structure was formulated in this paper for the reliable evaluation of offshore wind turbine structures including pile-soil-structure interactions (PSSIs). Discussions on the theoretical and simulation aspects of the coupled analysis are presented. The dynamic coupled analysis was implemented in X-SEA program and validated with FAST v8 (fatigue, aerodynamics, structures and turbulence) developed by NREL, USA. By replacing the sub-structural module in the FAST with the component of offshore substructure in the X-SEA, the reaction forces and the turbine loads were calculated in each time step and the results from X-SEA were compared with that from FAST. It showed very good agreement with each other. A case study of a NREL 5MW offshore wind turbine on a jacket support structure was performed. Coupled dynamic analyses of offshore wind turbine and support structures with PSSI were carried out. The results showed that in the coupled analysis, the responses of the structure are significantly less than in the uncoupled analysis. The support structure considering PSSI exhibited decreased natural frequencies and more flexible responses compared to the fixed-support structure. The implemented coupled analysis including PSSI was shown to be more accurate and computationally efficient.en
dc.description.sponsorshipTechnology Innovation Programen
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid1633en
dc.identifier.citationPlodpradit, P., Dinh, V.N. and Kim, K.D., 2019. Coupled analysis of offshore wind turbine jacket structures with pile-soil-structure interaction using FAST v8 and X-SEA. Applied Sciences, 9(8), (1633). DOI:10.3390/app9081633en
dc.identifier.doi10.3390/app9081633en
dc.identifier.eissn2076-3417
dc.identifier.endpage15en
dc.identifier.issn2076-3417
dc.identifier.issued8en
dc.identifier.journaltitleApplied Sciences (Switzerland)en
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8435
dc.identifier.volume9en
dc.language.isoenen
dc.publisherMDPI AGen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2302/IE/Marine Renewable Energy Ireland (MaREI) - The SFI Centre for Marine Renewable Energy Research/en
dc.relation.urihttps://www.mdpi.com/2076-3417/9/8/1633
dc.rights© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectOffshore wind turbineen
dc.subjectJacket foundationen
dc.subjectCoupled analysisen
dc.subjectSoil-pile-structure interactionen
dc.subjectFEM modelen
dc.titleCoupled analysis of offshore wind turbine jacket structures with pile-soil-structure interaction using FAST v8 and X-SEAen
dc.typeArticle (peer-reviewed)en
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