Seismic response analyses of a wind turbine under operating conditions considering soil-structure interaction

DAI Kao-shan; MAO Zhen-xi; ZHANG Yu-lin; ZHAO Zhi; LIANG Fa-yun

doi:10.13374/j.issn2095-9389.2017.09.018

Volume 39 Issue 9

Sep. 2017

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Article Navigation > Chinese Journal of Engineering > 2017 > 39(9): 1436-1442

DAI Kao-shan, MAO Zhen-xi, ZHANG Yu-lin, ZHAO Zhi, LIANG Fa-yun. Seismic response analyses of a wind turbine under operating conditions considering soil-structure interaction[J]. Chinese Journal of Engineering, 2017, 39(9): 1436-1442. doi: 10.13374/j.issn2095-9389.2017.09.018

Citation:

DAI Kao-shan, MAO Zhen-xi, ZHANG Yu-lin, ZHAO Zhi, LIANG Fa-yun. Seismic response analyses of a wind turbine under operating conditions considering soil-structure interaction[J]. Chinese Journal of Engineering, 2017, 39(9): 1436-1442. doi: 10.13374/j.issn2095-9389.2017.09.018

Citation:

DAI Kao-shan, MAO Zhen-xi, ZHANG Yu-lin, ZHAO Zhi, LIANG Fa-yun. Seismic response analyses of a wind turbine under operating conditions considering soil-structure interaction[J]. Chinese Journal of Engineering, 2017, 39(9): 1436-1442. doi: 10.13374/j.issn2095-9389.2017.09.018

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Seismic response analyses of a wind turbine under operating conditions considering soil-structure interaction

doi: 10.13374/j.issn2095-9389.2017.09.018

1) State Key Laboratory of Disaster Reduction in Civil Engineering and College of Civil Engineering, Tongji University, Shanghai 200092, China
2) Key Laboratory of Energy Engineering Safety and Disaster Mechanics, Ministry of Education, Sichuan University, Chengdu 610065, China

Received Date: 2016-10-18

Abstract

Abstract

A detailed three-dimensional finite element model including soil-structure interaction was developed for a 1.5 MW onshore wind turbine. A comparative study was performed to investigate the soil-structure interaction (SSI) effects on the seismic responses of the wind turbine under operating conditions. Wind speed time histories were converted to wind load time histories under the operating condition by using the FAST program. Simulation analysis was conducted using the EERA program to derive earthquake excitations at the base of the soil model. Then modal analyses and seismic response analyses were performed. The results show that soil-structure interaction has significant influences on the dynamic characteristics of the wind turbine tower, which results in amplification of the structural responses.
- wind turbine,
- seismic response,
- soil-structure interaction,
- finite element analysis

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References(11)

References

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