Foundation damping for monopile supported offshore wind turbines: A review

被引：57

作者：

Malekjafarian, Abdollah ^{[1
]}

Jalilvand, Soroosh ^{[2
]}

Doherty, Paul ^{[2
]}

Igoe, David ^{[3
]}

机构：

[1] Univ Coll Dublin, Sch Civil Engn, Struct Dynam & Assessment Lab, Dublin, Ireland

[2] Gavin & Doherty Geosolut, Dublin, Ireland

[3] Trinity Coll Dublin, Dept Civil Struct & Environm Engn, Dublin, Ireland

来源：

MARINE STRUCTURES | 2021年 / 77卷

基金：

爱尔兰科学基金会;

关键词：

Damping; Offshore; Wind turbine; Monopile; Soil; Foundation; OPERATIONAL MODAL-ANALYSIS; SOIL-STRUCTURE INTERACTION; DYNAMIC-RESPONSE; FATIGUE LIFE; MODEL; IDENTIFICATION; SENSITIVITY; FREQUENCY; STIFFNESS; PILE;

D O I：

10.1016/j.marstruc.2021.102937

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

Today, an important challenge for offshore wind energy is to design efficient and reliable offshore wind turbines (OWTs). The overall damping of OWTs plays an important role in the design process as it limits the amplitude of the OWT dynamic response at frequencies near resonance. Therefore, an accurate estimation of OWTs damping is necessary for the efficient design of these systems. The foundation damping is one of the main sources overall turbine damping and is the least well understood. This paper presents a critical review of recently published studies on foundation damping for OWTs on monopiles and explains how soil damping contributes to the total damping of OWTs. It also reviews the main methods that have been used for the estimation of foundation damping in numerical and experimental studies. In addition, the importance of damping to the OWTs fatigue life is discussed. Finally, a discussion is provided on the challenges to be overcome and recommendations for the accurate estimation of foundation damping.

引用

页数：22

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