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Experimental Modeling and Investigation of Seabed Liquefaction at Large Scale, Part II: Wave–Structure Interaction

Research output: Contribution to journal › Article › Research › peer review

Authors

  • Christian Windt
  • Matthias Kudella
  • Stefan Schimmels
  • Marcin Smyczyński
  • Nils Goseberg

Research Organisations

External Research Organisations

  • Technische Universität Braunschweig
  • Polish Academy of Sciences (PASIFIC)
  • Istanbul Technical University
  • GICON - Großmann Ingenieur Consult GmbH

Details

Original languageEnglish
Article number04025025
JournalJournal of Waterway, Port, Coastal, and Ocean Engineering
Volume151
Issue number5
Publication statusPublished - 7 Jul 2025

Abstract

The design challenges of offshore wind are multifaceted, comprising techno-socio-enviro-economic aspects. Among the technological design challenges, seabed dynamics and seabed response to wave-induced and structural loading are of significant importance. While a number of studies are focused on the morphodynamics and scour around, for instance, monopolies, much less research has been dedicated to the liquefaction around marine structures and offshore wind installations in particular. Novel ocean structures such as floating offshore wind installations require complex anchoring systems for station keeping; thus, seabed liquefaction needs to be considered during the design phase. This study, together with the companion paper Part I, aims to provide unique insights into seabed liquefaction around a gravity-based, tension leg platform-type floating offshore wind system. To that end, experiments in the large wave-current flume, GWK+, at the Coastal Research Centre, Hannover, Germany, were performed at a very large length scale of 1:15.56. The results show, for the first time, the severity of compound wave-induced and structural loading. Small wave heights in the order of 0.56 m (model scale) trigger seabed liquefaction and lead to significant structural displacement in the order of meters (model scale). In addition, a discussion on model effects and uncertainties provides suggestions for future improvements of the experimental setup.

ASJC Scopus subject areas

Sustainable Development Goals

Cite this

Experimental Modeling and Investigation of Seabed Liquefaction at Large Scale, Part II: Wave–Structure Interaction. / Windt, Christian; Kudella, Matthias; Schimmels, Stefan et al.
In: Journal of Waterway, Port, Coastal, and Ocean Engineering, Vol. 151, No. 5, 04025025, 07.07.2025.

Research output: Contribution to journal › Article › Research › peer review

Windt, C, Kudella, M, Schimmels, S, Smyczyński, M, Kazimierowicz-Frankowska, K, Kirca, VSÖ, Sumer, BM, Adam, F, Vanjakula, VK & Goseberg, N 2025, 'Experimental Modeling and Investigation of Seabed Liquefaction at Large Scale, Part II: Wave–Structure Interaction', Journal of Waterway, Port, Coastal, and Ocean Engineering, vol. 151, no. 5, 04025025. https://doi.org/10.1061/JWPED5.WWENG-2212
Windt, C., Kudella, M., Schimmels, S., Smyczyński, M., Kazimierowicz-Frankowska, K., Kirca, V. S. Ö., Sumer, B. M., Adam, F., Vanjakula, V. K., & Goseberg, N. (2025). Experimental Modeling and Investigation of Seabed Liquefaction at Large Scale, Part II: Wave–Structure Interaction. Journal of Waterway, Port, Coastal, and Ocean Engineering, 151(5), Article 04025025. https://doi.org/10.1061/JWPED5.WWENG-2212
Windt C, Kudella M, Schimmels S, Smyczyński M, Kazimierowicz-Frankowska K, Kirca VSÖ et al. Experimental Modeling and Investigation of Seabed Liquefaction at Large Scale, Part II: Wave–Structure Interaction. Journal of Waterway, Port, Coastal, and Ocean Engineering. 2025 Jul 7;151(5):04025025. doi: 10.1061/JWPED5.WWENG-2212
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AU - Windt, Christian

AU - Kudella, Matthias

AU - Schimmels, Stefan

AU - Smyczyński, Marcin

AU - Kazimierowicz-Frankowska, Krystyna

AU - Kirca, V.S. Özgür

AU - Sumer, B. Mutlu

AU - Adam, Frank

AU - Vanjakula, Vinay K.

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