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Numerical study of the hydrodynamic forces acting on a surface-piercing hydrofoil in natural mud Sotelo, M.; Boucetta, D.; Van Hoydonck, W.; Delefortrie, G. (2024). Numerical study of the hydrodynamic forces acting on a surface-piercing hydrofoil in natural mud, in: Proceedings of the 35th Symposium on Naval Hydrodynamics Nantes, France, 8 – 12 July, 2024. pp. [1-18] In: (2024). Proceedings of the 35th Symposium on Naval Hydrodynamics Nantes, France, 8 – 12 July, 2024. [S.n.]: [s.l.].

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Beschikbaar in	Auteurs
Waterbouwkundig Laboratorium: Open Repository 409207 [ OWA ]
Documenttype: Congresbijdrage

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Trefwoorden

Harbours and waterways > Manoeuvring behaviour > Nautical bottom Numerical calculations Physical modelling

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Project	Top | Auteurs
SBO - CFD Nautische bodem, meer

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Auteurs		Top
Sotelo, M. Boucetta, D. Van Hoydonck, W., meer Delefortrie, G.

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Abstract

In this work, a series of numerical simulations using CFD techniques are presented for the case of a surface-piercing hydrofoil in various fluid combinations, some of which replicate a muddy environment.  Different numerical results are compared with experimental measurements, demonstrating a good agreement.  Initial simulations in freshwater demonstrated fairly good quantitative and qualitative approximation of the experimental results, using standard solvers.  For simulations in muddy environments, the natural mud layer was represented as a non-Newtonian fluid, including viscoplastic properties, using the Worrall-Tuliani viscosity law. For the second case, the hydrofoil was towed in complete mud, in which the viscoplastic effects of the natural mud were present and have a significant influence on the hydrodynamic forces. Finally, simulations in seawater and natural mud were conducted, representing muddy environments. The numerical simulations included in this work displayed a fair approximation to the experimental results in all conditions tested.

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