Journal ArticleDOI
Nonlinear Response of Wind Turbines Under Wind and Seismic Excitations With Soil–Structure Interaction
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This article is published in Journal of Computational and Nonlinear Dynamics.The article was published on 2015-07-01. It has received 21 citations till now. The article focuses on the topics: Wind engineering & Wind power.read more
Citations
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Journal ArticleDOI
A review of foundations of offshore wind energy convertors: Current status and future perspectives
TL;DR: In this article, a review of foundations for offshore wind energy convertors considering the significant growth of offshore wind power since the early 2000s is presented, where the characteristics of various foundation types (i.e., gravity, pile, suction caisson, and float type) and current status of field application are discussed.
Journal ArticleDOI
Wind turbines and seismic hazard : A state-of-the-art review
TL;DR: In this article, the authors present a comparative survey of the published research relevant to the seismic analysis, design and assessment of wind turbines and identify the key factors for wind turbines' seismic performance.
Journal ArticleDOI
Seismic fragility analysis of monopile offshore wind turbines under different operational conditions
TL;DR: In this paper, a finite element model for a 5 MW monopile offshore wind turbine was developed using the OpenSees platform, where the interaction between the monopile and the seabed soil was modeled as a beam-on-nonlinear-winkler-foundation (BNWF).
Journal ArticleDOI
Time-domain uncoupled analyses for seismic assessment of land-based wind turbines
TL;DR: In this article, the authors investigated a time-domain implementation of uncoupled analyses, which may involve a nonlinear foundation model, on a 5MW baseline wind turbine, resting on a pile foundation modeled by nonlinear springs.
Journal ArticleDOI
Analysis of seismic behaviour of an offshore wind turbine with a flexible foundation
TL;DR: In this article, the effects of nonlinear soil behaviors on the structural responses of offshore wind turbines (OWTs) subjected to wind, wave and earthquake loadings are investigated, and a novel seismic analysis framework (SAF) is developed for the assessment of seismic behaviours of OWTs with flexible and fixed foundations.
References
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Book
Numerical solution of initial-value problems in differential-algebraic equations
TL;DR: In this article, the authors introduce the theory of DAE's and the index Linear constant coefficient, linear time varying, and nonlinear index systems, as well as a general linear multistep method.
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Dynamic soil–structure interaction of monopile supported wind turbines in cohesive soil
TL;DR: In this paper, a series of laboratory tests were conducted in which a scaled model wind turbine supported on a monopile in kaolin clay was subjected to between 32,000 and 172,000 cycles of horizontal loading and the changes in natural frequency and damping of the model were monitored.
Journal ArticleDOI
Static, seismic and stability analyses of a prototype wind turbine steel tower
Nikitas Bazeos,George D. Hatzigeorgiou,I.D Hondros,H Karamaneas,Dimitris L. Karabalis,Dimitri E. Beskos +5 more
TL;DR: In this article, the main load bearing structure of a steel tower for a 450 kW wind turbine with a horizontal power transmission axle is analyzed for static and seismic loads representing the effects of gravity, the operational and survival aerodynamic conditions, and possible site-dependent seismic motions.
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Analysis and design of the prototype of a steel 1-MW wind turbine tower
TL;DR: In this article, the design of a steel 1 MW wind turbine tower for gravity, seismic and wind loadings has been performed according to the relevant Eurocodes, in particular, regarding seismic loading, a dynamic phasmatic analysis of the tower has been carried out according to Greek Antiseismic Code (EAK 2000).
Journal ArticleDOI
Along-wind response of a wind turbine tower with blade coupling subjected to rotationally sampled wind loading
TL;DR: In this paper, the authors investigate the along-wind forced vibration response of a wind turbine tower and rotating blades assembly subjected to rotationally sampled stationary wind loading, using a discrete Fourier transform (DFT) representation of wind turbulence spectra.