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The influence of flexible towers on the dynamics of offshore wind turbine gravity base structures
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Accepted Version
Date
2018-09-25
Authors
O'Leary, Kieran
Pakrashi, Vikram
Kelliher, Denis
Journal Title
Journal ISSN
Volume Title
Publisher
Springer Nature Singapore Pte Ltd.
Published Version
Abstract
With offshore wind turbines increasing in size, there is increasing interest in non-traditional support structures. New concepts include lightweight and flexible fiberglass composite towers that have potential benefits over traditional stiff steel towers. The aim of this paper was to assess how the combination of a more flexible wind turbine tower with an offshore concrete gravity base foundation would affect the dynamic response of the structure. The results focus on how the dynamic amplification factors (DAFs) change with varying levels of foundation stiffness during an extreme event (50 year return period extreme event).
Description
Keywords
Composite tower , Gravity base , Dynamic amplification factor
Citation
O'Leary, K., Pakrashi, V. and Kelliher, D. (2018) 'The influence of flexible towers on the dynamics of offshore wind turbine gravity base structures', in Randolph, M. F., Doan, D. H., Tang, A. M., Bui, M. and Dinh, V. N. (eds.), Proceedings of the 1st Vietnam Symposium on Advances in Offshore Engineering (VSOE 2018), Hanoi, Vietnam, 1-3 November. Lecture Notes in Civil Engineering, 18, pp. 511-517. doi:10.1007/978-981-13-2306-5_72
Copyright
© 2018, Springer Nature Singapore Pte Ltd. The final authenticated publication is available at Springer via https://doi.org/10.1007/978-981-13-2306-5_72