Wind Energy Science
Wind Energy Science
WES
Articles | Volume 7, issue 3
Articles | Volume 7, issue 3
https://doi.org/10.5194/wes-7-1007-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-7-1007-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 7, issue 3
Research article
 | 
17 May 2022
Research article |  | 17 May 2022

Seismic soil–structure interaction analysis of wind turbine support structures using augmented complex mode superposition response spectrum method

Masaru Kitahara and Takeshi Ishihara

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Short summary
The seismic soil–structure interaction of wind turbine support structures is investigated. Wind turbine support structures are modelled as a non-classically damped system, and its seismic loadings are analytically derived by the response spectrum method. To improve the prediction accuracy of the shear force on the footing, a threshold for the allowable modal damping ratio is proposed. The proposed method is capable of effectively estimating seismic loadings on the tower and footing.
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