Wind, wave and earthquake responses of offshore wind turbine on monopile foundation in clay

被引：129

作者：

Wang, Piguang ^{[1
,2
]}

Zhao, Mi ^{[1
]}

Du, Xiuli ^{[1
]}

Liu, Jingbo ^{[2
]}

Xu, Chengshun ^{[1
]}

机构：

[1] Beijing Univ Technol, Beijing 100124, Peoples R China

[2] Tsinghua Univ, Beijing 100084, Peoples R China

来源：

SOIL DYNAMICS AND EARTHQUAKE ENGINEERING | 2018年 / 113卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Offshore wind turbine; Pile-soil interaction; Pile-water interaction; Wind loading; Wave loading; Seismic loading; SOIL-STRUCTURE INTERACTION; DYNAMIC-BEHAVIOR; NATURAL FREQUENCY; TOWERS; DESIGN; LOAD;

D O I：

10.1016/j.soildyn.2018.04.028

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

This paper investigates the dynamic responses of offshore wind turbine (OWT) supported on monopile foundation in clay subjected to wind, wave and earthquake actions. Based on the open-source software platform OpenSees, a three-dimensional finite model of the system is developed. The tower and monopile is modeled using beam element, the pile-soil interface behavior using nonlinear Winkler foundation approach, and the pile water interface using hydrodynamic added mass. The wind, wave and earthquake actions are applied as loadings on the system. The effects of several parameters, such as wind velocity, induction factor, wave period, peak ground acceleration, and soil parameters on the dynamic responses of the system are studied. The results indicate that it is necessary to consider the combination of wind, wave and earthquake actions in the design of offshore wind turbine.

引用

页码：47 / 57

页数：11

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