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link.springer.com article

Numerical Study on the Aerodynamic and Fluid–Structure Interaction of An NREL-5MW Wind Turbine | China Ocean Engineering | Springer Nature Link

https://link.springer.com/article/10.1007/s13344-024-0030-1

# Numerical Study on the Aerodynamic and Fluid–Structure Interaction of An NREL-5MW Wind Turbine. In this study, a full-scale model of a 5-MW wind turbine is first developed based on a computational fluid dynamics (CFD) approach, in which the unsteady, noncompressible Reynolds Averaged Navier–Stokes (RANS) method is used. The main focus of the study is to analyze the tower shadow effect on the aerodynamic performance of the wind turbine under different inlet flow conditions. Subsequently, the finite element model is established by considering fluid/structure interactions to study the structural stress, displacement, strain distributions and flow field information of the structure under the uniform wind speed. Finally, the fluid-structure interaction model is established by considering turbulent wind and the tower shadow effect. The results show that the tower shadow effect and structural deformation are the main factors affecting the aerodynamic load fluctuation of the wind turbine, which in turn affects the aerodynamic performance and structural stability of the blades.

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dr.ntu.edu.sg research

[PDF] SIMULATIONS STUDY OF FLUID-STRUCTURE INTERACTION OF ...

https://dr.ntu.edu.sg/bitstreams/5b945dfc-950f-4f23-8d35-64e795bab72b/download

A multiple objective optimization method for wind turbine design including aerodynamic and structure has been developed to improve wind turbine performance. The

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dabirilab.com article

[PDF] Fluid–Structure Interaction Modeling of Vertical-Axis Wind Turbines

https://dabirilab.com/s/Ba_etal_JAM14.pdf

Y. Bazilevs Department of Structural Engineering, University of California–San Diego, La Jolla, CA 92093 e-mail: yuri@ucsd.edu A. Deng Department of Structural Engineering, University of California–San Diego, La Jolla, CA 92093 J. O. Dabiri Department of Aerospace Engineering, Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA 91125 Fluid–Structure Interaction Modeling of Vertical-Axis Wind Turbines Full-scale, 3D, time-dependent aerodynamics and fluid–structure interaction (FSI) simu-lations of a Darrieus-type vertical-axis wind turbine (VAWT) are presented. A structural model of the Windspire VAWT (Windspire energy, http://www.windspireenergy.com/) is developed, which makes use of the recently proposed rotation-free Kirchhoff–Love shell and beam/cable formulations. A moving-domain finite-element-based ALE-VMS (arbi-trary Lagrangian–Eulerian-variational-multiscale) formulation is employed for the aero-dynamics in combination with the sliding-interface formulation to handle the VAWT mechanical components in relative motion. The sliding-interface formulation is aug-mented to handle nonstationary cylindrical sliding interfaces, which are needed for the FSI modeling of VAWTs. The computational results presented show good agreement with the field-test data.

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mdpi.com article

Integrated Aerodynamic–Structural Validation Framework for Wind-Induced Load Assessment

https://www.mdpi.com/2076-3417/16/6/2986

Feature papers represent the most advanced research with significant potential for high impact in the field. Editor’s Choice articles are based on recommendations by the scientific editors of MDPI journals from around the world. The aim is to provide a snapshot of some of the most exciting work published in the various research areas of the journal. Understanding wind–structure interaction (WSI) in low-rise buildings remains a significant challenge in wind and structural engineering, particularly under highly turbulent and non-stationary wind phenomena such as downbursts and tornado-like vortices. This study presents a structured review of contemporary research in wind engineering, encompassing field measurements, wind tunnel experiments, and CFD modeling approaches. By bridging computational wind engineering and structural mechanics, this study supports a more reliable evaluation of wind-induced effects on building components and contributes to the development of robust, wind-resilient design methodologies for low-rise structures. computational fluid dynamics (CFD); wind engineering; low-rise buildings; turbulence models; extreme wind events.

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