A model test method of monopile-type offshore wind turbines subjected to floating ice

IF 5.7 1区工程技术 Q1 ENGINEERING, CIVIL Thin-Walled Structures Pub Date : 2025-02-15 DOI:10.1016/j.tws.2025.113095

Yingzhou Liu , Wei Shi , Jijian Lian , Xin Li , Ye Yao , Constantine Michailides , Li Zhou , Peng Lu

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引用次数: 0

Abstract

Assessing ice-induced vibration is critical in determining safe operation of offshore wind turbines (OWT). However, there is currently a lack of dynamic model experimental method of the fully coupled elastic OWT under combined wind-ice loadings. In the present paper results derived from an ice-monopile-type OWT interaction experimental campaign are presented. Aiming at the mismatch of traditional similar criteria caused by the two scale effects, an 1/75 scale monopile-type OWT physical model has been constructed based on the dynamic ice force similarity criterion which is proposed within the present paper, and model ice is fabricated and verified. Furthermore, the corresponding ice dynamic testing technology is proposed by utilizing fiber grating dynamic ice force sensors, and the wind-ice simultaneous loading simulation test system is developed and used during tests for typical operational and parked states of the OWT. Ice typical failure modes, as well as, the ice-induced vibration response characteristics of OWT structures during the interaction between sea ice and monopile are revealed. We show that the proposed dynamic model test technology of the aerodynamic-ice dynamics-elastic coupled wind turbine can be effectively used as a experimental solution for evaluating the dynamic ice force and revealing the ice-induced vibration mechanism of OWTs.

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来源期刊

Thin-Walled Structures 工程技术-工程：土木

CiteScore

9.60

自引率

20.30%

发文量

801

审稿时长

66 days

期刊介绍： Thin-walled structures comprises an important and growing proportion of engineering construction with areas of application becoming increasingly diverse, ranging from aircraft, bridges, ships and oil rigs to storage vessels, industrial buildings and warehouses. Many factors, including cost and weight economy, new materials and processes and the growth of powerful methods of analysis have contributed to this growth, and led to the need for a journal which concentrates specifically on structures in which problems arise due to the thinness of the walls. This field includes cold– formed sections, plate and shell structures, reinforced plastics structures and aluminium structures, and is of importance in many branches of engineering. The primary criterion for consideration of papers in Thin–Walled Structures is that they must be concerned with thin–walled structures or the basic problems inherent in thin–walled structures. Provided this criterion is satisfied no restriction is placed on the type of construction, material or field of application. Papers on theory, experiment, design, etc., are published and it is expected that many papers will contain aspects of all three.