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Author:

Wang, Piguang (Wang, Piguang.) | Lu, Haiqiang (Lu, Haiqiang.) | Gao, Zhidong (Gao, Zhidong.) | Zhao, Mi (Zhao, Mi.) | Du, Xiuli (Du, Xiuli.)

Abstract:

When the seismic source is shallow or the wind turbine structure is moderately distant from the epicenter, it is necessary to consider the oblique incidence of planar body waves. To investigate the dynamic response law of wind turbine structures under oblique seismic wave incidence, this study establishes an integrated approach for analyzing the dynamic response of wind turbine structures considering oblique seismic wave incidence, incorporating one-dimensional time-domain site response analysis and viscoelastic artificial boundaries. By using the above seismic input method, the dynamic response law of a 5 MW monopile wind turbine under the obliquely incident P and SV waves are analyzed in detail when different characteristics, incident angles, propagation angles and vibration directions of waves are considered. Numerical studies show that the above factors have an important influence on the seismic response of the wind turbine structure. As shown in Figure 7, the finite element model of soil-wind turbine structure considering different angles of oblique incidence and different propagation directions of seismic waves was established by using ABAQUS software in this study and the laws of dynamic response of the wind turbine structure under different angles of oblique incidence of P wave, SV wave, and different propagation directions of SV wave were analyzed. It is shown that the propagation direction and oblique incidence angle of seismic waves have this significant effect on the displacement, acceleration, bending moment, and shear force of the wind turbine structure. image

Keyword:

propagation direction seismic wave input P and SV waves monopile wind turbine obliquely incidence

Author Community:

  • [ 1 ] [Wang, Piguang]Beijing Univ Technol, Dept Architecture & Civil Engn, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Lu, Haiqiang]Beijing Univ Technol, Dept Architecture & Civil Engn, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 3 ] [Gao, Zhidong]Beijing Univ Technol, Dept Architecture & Civil Engn, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 4 ] [Zhao, Mi]Beijing Univ Technol, Dept Architecture & Civil Engn, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Du, Xiuli]Beijing Univ Technol, Dept Architecture & Civil Engn, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 6 ] [Gao, Zhidong]Tsinghua Univ, Dept Hydraul Engn, Beijing, Peoples R China

Reprint Author's Address:

  • [Gao, Zhidong]Beijing Univ Technol, Dept Architecture & Civil Engn, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China;;

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Source :

EARTHQUAKE ENGINEERING AND RESILIENCE

ISSN: 2770-5714

Year: 2024

Issue: 3

Volume: 3

Page: 416-431

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 15

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