COUPLING DYNAMIC CHARACTERISTICS AND DAMAGE ANALYSIS OF OFFSHORE WIND TURBINES UNDER SEA ICE IMPACT

被引：0

作者：

Liu Y. ^{[1
,2
]}

Shi W. ^{[2
,3
]}

Wang W. ^{[1
,2
]}

Li X. ^{[1
,2
]}

Wang B. ^{[4
,5
]}

机构：

[1] Institute of Earthquake Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian

[2] State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian

[3] Deepwater Engineering Research Center, Dalian University of Technology, Dalian

[4] Key Laboratory for Far-shore Wind Power Technology of Zhejiang Province, Hangzhou

[5] POWERCHINA Huadong Engineering Corporation Limited, Hangzhou

来源：

Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2023年 / 44卷 / 06期

关键词：

area damage rate; dynamic response; offshore wind turbines; pile foundations; sea ice;

D O I：

10.19912/j.0254-0096.tynxb.2022-0201

中图分类号：

学科分类号：

摘要：

Based on the NREL-5 MW monopile offshore wind turbine （OWT）, considering the pile-soil interaction，a three-dimensional finite element model of the interaction between ice and offshore wind turbine structure is established. Considering the coupling effect of ice and structure interaction，the damage assessment and dynamic analysis of OWT combined wind and sea ice loads is carried out in ANSYS/LS-DYNA. The area damage ratio is suggested to evaluate the damage of OWTs under dynamic ice loads. Meanwhile，the influence of sea ice thickness on the structural damage and response of OWT is explored. Based on the performed study，it can be seen that the mean value and peak value of dynamic ice force increase，and the dynamic response of offshore wind turbine increases significantly with the increasing of ice thickness. The most significant structural damage is observed at the sea ice impact area，by comparing with the damage of the remaining locations. The area damage rate proposed in this paper can reasonably reflect the damage degree of offshore wind turbines under the action of different ice thicknesses. Ice thicknesses not only affect the area damage rate of single pile foundation，but also affect the linear change rate of damage rate. © 2023 Science Press. All rights reserved.

引用

页码：427 / 435

页数：8

共 29 条

[1]

KIM E, AMDAHL J., Discussion of assumptions behind rule-based ice loads due to crushing［J］, Ocean engineering, 119, pp. 249-261, (2016)

[2]

HUANG Y, SHI Q Z，, SONG A., Experimental study on ice destruction mechanism［J］, Ship building of China, 44, pp. 379-386, (2003)

[3]

ZHANG X., Steady vibration of ice-induced vertical structure, (2002)

[4]

METRIKINE A., Ice-induced vibrations and ice buckling［J］, Cold regions science and technology, 131, pp. 129-141, (2016)

[5]

HIBLER W D., Failure propagation effects in an anisotropic sea ice dynamics model［J］, IUTAM symposium on scaling laws in ice mechanics and ice dynamics, 94, pp. 363-372, (2001)

[6]

SOPPER R., The influence of water，snow and granular ice on ice failure processes，ice load magnitude and process pressure［J］, Cold regions science and technology, 139, pp. 51-64, (2017)

[7]

DUKOWICZ J., An elastic-viscous-plastic model for sea ice dynamics［J］, Journal of geophysical research atmospheres, 27, pp. 1849-1867, (1999)

[8]

QU Y., Random ice load analysis on offshore structures based on field tests［D］, (2006)

[9]

DI S C, JI S Y., GPU-based discrete element modelling of interaction between sea ice and jack-up platform structure ［J］, Chinese journal of theoretical and applied mechanics, 46, 4, pp. 561-571, (2014)

[10]

GAO Z., Numerical study of ice-induced loads and responses of a monopile-type offshore wind turbine in parked and operating conditions［J］, Cold regions science and technology, 123, pp. 121-139, (2016)

← 1 2 3 →