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Article

Effect of Roughness of Mussels on Cylinder Forces from a Realistic Shape Modelling

1
Ifremer, Marine Structure Laboratory, 150 Quai Gambetta, 62200 Boulogne sur Mer, France
2
Research Institute of Civil Engineering and Mechanics, Sea and Litoral Research Institute, Ecole Centrale de Nantes, Université de Nantes, CNRS, 44322 Nantes, France
3
Laboratoire de Recherche en Hydrodynamique, Énergétique et Environnement Atmosphérique, Sea and Littoral Research Institute, Ecole Centrale de Nantes, CNRS, 44322 Nantes, France
4
Scientific Expert, Self-Employed, 83140 Six-Fours-les-Plages, France
*
Author to whom correspondence should be addressed.
Academic Editor: Apostolos Papanikolaou
J. Mar. Sci. Eng. 2021, 9(6), 598; https://doi.org/10.3390/jmse9060598
Received: 15 April 2021 / Revised: 5 May 2021 / Accepted: 12 May 2021 / Published: 31 May 2021
(This article belongs to the Special Issue Fluid/Structure Interactions)
After a few weeks, underwater components of offshore structures are colonized by marine species and after few years this marine growth can be significant. It has been shown that it affects the hydrodynamic loading of cylinder components such as legs and braces for jackets, risers and mooring lines for floating units. Over a decade, the development of Floating Offshore Wind Turbines highlighted specific effects due to the smaller size of their components. The effect of the roughness of hard marine growth on cylinders with smaller diameter increased and the shape should be representative of a real pattern. This paper first describes the two realistic shapes of a mature colonization by mussels and then presents the tests of these roughnesses in a hydrodynamic tank where three conditions are analyzed: current, wave and current with wave. Results are compared to the literature with a similar roughness and other shapes. The results highlight the fact that, for these realistic roughnesses, the behavior of the rough cylinders is mainly governed by the flow and not by their motions. View Full-Text
Keywords: marine growth; hydrodynamic loading; roughness; mussels; morison coefficients marine growth; hydrodynamic loading; roughness; mussels; morison coefficients
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MDPI and ACS Style

Marty, A.; Schoefs, F.; Soulard, T.; Berhault, C.; Facq, J.-V.; Gaurier, B.; Germain, G. Effect of Roughness of Mussels on Cylinder Forces from a Realistic Shape Modelling. J. Mar. Sci. Eng. 2021, 9, 598. https://doi.org/10.3390/jmse9060598

AMA Style

Marty A, Schoefs F, Soulard T, Berhault C, Facq J-V, Gaurier B, Germain G. Effect of Roughness of Mussels on Cylinder Forces from a Realistic Shape Modelling. Journal of Marine Science and Engineering. 2021; 9(6):598. https://doi.org/10.3390/jmse9060598

Chicago/Turabian Style

Marty, Antoine, Franck Schoefs, Thomas Soulard, Christian Berhault, Jean-Valery Facq, Benoît Gaurier, and Gregory Germain. 2021. "Effect of Roughness of Mussels on Cylinder Forces from a Realistic Shape Modelling" Journal of Marine Science and Engineering 9, no. 6: 598. https://doi.org/10.3390/jmse9060598

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