Share This Article:

Development of a Fast Fluid-Structure Coupling Technique for Wind Turbine Computations

DOI: 10.4236/jpee.2015.37001    2,689 Downloads   3,179 Views   Citations

ABSTRACT

Fluid-structure interaction simulations are routinely used in the wind energy industry to evaluate the aerodynamic and structural dynamic performance of wind turbines. Most aero-elastic codes in modern times implement a blade element momentum technique to model the rotor aerodynamics and a modal, multi-body, or finite-element approach to model the turbine structural dynamics. The present paper describes a novel fluid-structure coupling technique which combines a three- dimensional viscous-inviscid solver for horizontal-axis wind-turbine aerodynamics, called MIRAS, and the structural dynamics model used in the aero-elastic code FLEX5. The new code, MIRAS- FLEX, in general shows good agreement with the standard aero-elastic codes FLEX5 and FAST for various test cases. The structural model in MIRAS-FLEX acts to reduce the aerodynamic load computed by MIRAS, particularly near the tip and at high wind speeds. 

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Sessarego, M. , Ramos-García, N. and Shen, W. (2015) Development of a Fast Fluid-Structure Coupling Technique for Wind Turbine Computations. Journal of Power and Energy Engineering, 3, 1-6. doi: 10.4236/jpee.2015.37001.

References

[1] Bungartz, H.J., Mehl, M. and Schafer, M. (2010) Fluid Structure Interaction II: Modelling, Simulation, Optimization, 1439-7358. Springer Berlin Heidelberg, 53. http://dx.doi.org/10.1007/978-3-642-14206-2
[2] Oye, S. (1996) FLEX4 Simulation of Wind Turbine Dynamics. Proceedings of 28th IEA Meeting of Experts Concerning State of the Art of Aeroelastic Codes for Wind Turbine Calculations, Lyngby, 1996.
[3] NWTC Information Portal (FAST v8). https://nwtc.nrel.gov/FAST8
[4] Kim, T., Anders, A.M., Hansen, M. and Branner, K. (2013) Development of an Anisotropic Beam Finite Element for Composite Wind Turbine Blades in Multibody System. Renewable Energy, 59, 172-183. http://dx.doi.org/10.1016/j.renene.2013.03.033
[5] Hansen, M.O.L. (2008) Aerodynamics of Wind Turbines. 2nd Edition, Earthscan, London.
[6] Ramos-García, N., Sorensen, J.N. and Shen, W.Z. (2014) Three-Dimensional Viscous-Inviscid Coupling Method for Wind Turbine Computations. Wind Energy. http://dx.doi.org/10.1002/we.1821
[7] Ramos-García, N., Sorensen, J.N. and Shen, W.Z. (2014) A Strong Viscous-Inviscid Interaction Model for Rotating Airfoils. Wind Energy, 17, 1957-1984. http://dx.doi.org/10.1002/we.1677
[8] Degroote, J., Bathe, K.J. and Vierendeels, J. (2009) Performance of a New Partitioned Procedure versus a Monolithic Procedure in Fluid-Structure Interaction. Computers & Structures, 87, 793-801. http://dx.doi.org/10.1016/j.compstruc.2008.11.013
[9] Farhat, C., van der Zee, K.G. and Geuzaine, P. (2006) Provably Second-Order time-Accurate Loosely-Coupled Solution Algorithms for Transient Nonlinear Computational Aeroelasticity. Computer Methods in Applied Mechanics and Engineering, 195, 1973-2001. http://dx.doi.org/10.1016/j.cma.2004.11.031
[10] Heinz, J. (2013) Partitioned Fluid-Structure Interaction for Full Rotor Computations Using CFD. Ph.D. Thesis, Technical University of Denmark, Denmark.
[11] Bauchau, O.A. and Craig, J.I., Eds. (2009) Structural Analysis: With Applications to Aerospace Structures, Solid Mechanics and Its Applications. Springer Netherlands. http://dx.doi.org/10.1007/978-90-481-2516-6
[12] Jonkman, J., Butterfield, S., Musial, W. and Scott, S. Definition of a 5-MW Reference Wind Turbine for Offshore System Development. Technical Report NREL/TP-500-38060, National Renewable Energy Laboratory, Golden.

  
comments powered by Disqus

Copyright © 2018 by authors and Scientific Research Publishing Inc.

Creative Commons License

This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.