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Prediction of Long-Term Deformations of Offshore Wind Power Plant Foundations Using HCA-Based Engineer-Oriented Models

Wichtmann, Torsten ; Triantafyllidis, Theodoros ; Chrisopoulos, Stylianos ; Zachert, Hauke (2017)
Prediction of Long-Term Deformations of Offshore Wind Power Plant Foundations Using HCA-Based Engineer-Oriented Models.
In: International Journal of Offshore and Polar Engineering, 27 (4)
Artikel, Bibliographie

Kurzbeschreibung (Abstract)

The paper presents three engineer-oriented models based on the high-cycle accumulation (HCA) model of Niemunis et al. (2005), dedicated to the prediction of long-term deformations of offshore wind power plant (OWPP) foundations caused by wind and wave action. A sublayering model for shallow foundations under vertical cyclic loading and two different approaches (a sublayering model and a stiffness-degradation model) for monopile foundations subjected to horizontal cyclic loading are presented. The results of these models are compared to the solution from 2-D or 3-D finite element simulations with the original HCA model. Furthermore, the prediction is confronted with the prognosis of other engineer-oriented models proposed for OWPP foundations in the literature. Finally, a simplified procedure for the determination of the HCA material constants is briefly explained.

Typ des Eintrags: Artikel
Erschienen: 2017
Autor(en): Wichtmann, Torsten ; Triantafyllidis, Theodoros ; Chrisopoulos, Stylianos ; Zachert, Hauke
Art des Eintrags: Bibliographie
Titel: Prediction of Long-Term Deformations of Offshore Wind Power Plant Foundations Using HCA-Based Engineer-Oriented Models
Sprache: Englisch
Publikationsjahr: 2017
Verlag: International Society of Offshore and Polar Engineers
Titel der Zeitschrift, Zeitung oder Schriftenreihe: International Journal of Offshore and Polar Engineering
Jahrgang/Volume einer Zeitschrift: 27
(Heft-)Nummer: 4
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Kurzbeschreibung (Abstract):

The paper presents three engineer-oriented models based on the high-cycle accumulation (HCA) model of Niemunis et al. (2005), dedicated to the prediction of long-term deformations of offshore wind power plant (OWPP) foundations caused by wind and wave action. A sublayering model for shallow foundations under vertical cyclic loading and two different approaches (a sublayering model and a stiffness-degradation model) for monopile foundations subjected to horizontal cyclic loading are presented. The results of these models are compared to the solution from 2-D or 3-D finite element simulations with the original HCA model. Furthermore, the prediction is confronted with the prognosis of other engineer-oriented models proposed for OWPP foundations in the literature. Finally, a simplified procedure for the determination of the HCA material constants is briefly explained.

Fachbereich(e)/-gebiet(e): 13 Fachbereich Bau- und Umweltingenieurwissenschaften
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Geotechnik
Hinterlegungsdatum: 18 Dez 2020 10:08
Letzte Änderung: 06 Jan 2021 07:00
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