Input of advanced geotechnical modelling to the design of offshore wind turbine foundations (Apport de la modélisation géotechnique avancée au dimensionnement de fondations d’éoliennes offshore)

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Abstract

The offshore wind sector is skyrocketing worldwide, with a clear trend towards wind farms installed in increasingly deep waters and harsh marine environments. This is posing significant engineering challenges, including those regarding the design of support structures and foundations for offshore wind turbines (OWTs). Substantial research efforts are being devoted to the geotehnical design of monopile foundations, currently supporting about 80% of OWTs in Europe. This paper overviews recent work carried out at TU Delft on the numerical integrated modelling of soil-monopile-OWT systems, and its input to the improvement of geotechnical design approaches. The benefits of incorporating advanced soil constitutive modelling in three-dimensional finite element simulations are highlighted, with emphasis on the interplay of cyclic soil behaviour and dynamic OWT performance. Ongoing research on high-cyclic soil plasticity modelling is also presented, and related to the analysis of monopile tilt under irregular environmental loading.
Original languageEnglish
Title of host publication17th European Conference on Soil Mechanics and Geotechnical Engineering, ECSMGE 2019 - Proceedings
Subtitle of host publicationGeotechnical Engineering foundation of the future
EditorsHaraldur Sigursteinsson, Sigurður Erlingsson, Bjarni Bessason
PublisherIcelandic Geotechnical Society (IGS)
Pages272-297
Number of pages26
ISBN (Electronic)9789935943613
ISBN (Print)978-9935-9436-1-3
DOIs
Publication statusPublished - 2019
EventThe XVII European Conference on Soil Mechanics and Geotechnical Engineering: Geotechnical Engineering, foundation of the future - Reykjavik, Iceland
Duration: 1 Sep 20196 Sep 2019
https://www.ecsmge-2019.com/#

Conference

ConferenceThe XVII European Conference on Soil Mechanics and Geotechnical Engineering
Abbreviated titleECSMGE
CountryIceland
CityReykjavik
Period1/09/196/09/19
Internet address

Keywords

  • Cyclic loading
  • Dynamics
  • Monopile foundations
  • Numerical modelling
  • Offshore wind energy

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