3D MORPHOLOGICAL IMPACT MODELLING OF OFFSHORE WIND FARMS USING LES AND HPC

Yue Yin; Elizabeth Christie; Ming Li; Charles Moulinec; David Emerson

doi:10.9753/icce.v34.sediment.48

No. 34 (2014), Sediment Transport and Morphology

No. 34 (2014)

3D MORPHOLOGICAL IMPACT MODELLING OF OFFSHORE WIND FARMS USING LES AND HPC

Sediment Transport and Morphology

https://doi.org/10.9753/icce.v34.sediment.48

Published 2014-10-28

Yue Yin⁺⁻
Elizabeth Christie⁺⁻
Ming Li⁺⁻
Charles Moulinec⁺⁻
David Emerson⁺⁻

Yue Yin

the University of Liverpool

Elizabeth Christie

the University of Liverpool

Ming Li

the University of Liverpool

Charles Moulinec

Daresbury Laboratory

David Emerson

Daresbury Laboratory

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Keywords

offshore wind farms
TELEMAC3D
large eddy simulation

How to Cite

Yin, Y., Christie, E., Li, M., Moulinec, C., & Emerson, D. (2014). 3D MORPHOLOGICAL IMPACT MODELLING OF OFFSHORE WIND FARMS USING LES AND HPC. Coastal Engineering Proceedings, 1(34), sediment.48. https://doi.org/10.9753/icce.v34.sediment.48

Abstract

A model based on TELEMAC 3D using Large Eddy Simulation has been developed to simulate of complex flows and sediment transport around offshore wind farm foundations. The model was tested against available laboratory experimental data with satisfactory agreement. The model results reveal that with fine resolution, using Large Eddy Simulation allows to capture the turbulence eddy shedding behind the structure better than using conventional RANS models. Application of the model to the Burbo Bank OWF in Liverpool Bay, in North West England helps capturing the strong 3D structures across the depth, which can have considerable influence on sediment suspension and transport around the structure, particularly for fine sediments.

https://doi.org/10.9753/icce.v34.sediment.48

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References

Christie E., M. Li, C. Moulinec. 2012. Comparison of 2d and 3d large scale morphological modeling of offshore wind farms using HPC. International Conference on Coastal Engineering 2012 Proceedings. World Scientifics, Santander pp sediment.42

Hervouet J-M. 2007. Hydrodynamics of free surface flows: modelling with the finite element method, Wiley The TELEMAC system. <http://www.opentelemac.org>

Roulund, A., B.M. Sumer, J. Fredsøe, J. Michelsen. 2005. Numerical and experimental investigation of flow and scour around a circular pile. Journal of Fluid Mechanics, 534, pp. 351-401

Smagorinski, J. 1963 General circulation experiments with the primitive equations. I. The basic experiment. Monthly Weather Review, 91,99-164

Prandtl, L., 1925. Über die ausgebidete Turbulenz. Zeitschrift fur augewandte Mathematik und Mechanik. 5, pp. 136-139

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3D MORPHOLOGICAL IMPACT MODELLING OF OFFSHORE WIND FARMS USING LES AND HPC

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