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Numerical Investigation of Deformable Hydrofoils in Steady Flows

[+] Author Affiliations
Antoine Ducoin, François Deniset, Thomas Damay, Jacques-André Astolfi

IRENav, Brest Armées, France

Christian Laine

DCN Propulsion, La Montagne, France

Paper No. PVP2006-ICPVT-11-93258, pp. 157-164; 8 pages
  • ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference
  • Volume 4: Fluid Structure Interaction, Parts A and B
  • Vancouver, BC, Canada, July 23–27, 2006
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4755-1 | eISBN: 0-7918-3782-3
  • Copyright © 2006 by ASME


The work is developed within the general frame of marine structure design. The study presents a numerical investigation of the hydro elastic behaviour of a deformable lifting body in a uniform steady flow. The fluid is considered as inviscid. The structure problem is solved by a finite element method and the flow problem is solved by a finite volume method using two commercial codes. Both problems are coupled through an iterative algorithm based on the exchange of boundary conditions at the flow-structure interface. The study is conducted on a cambered rectangular hydrofoil mounted in a hydrodynamic tunnel simulating the experiment that is currently performed in our laboratory. Results obtained from the fluid-structure computations including the deformation together with the hydrodynamic coefficients are presented. The influence of the fluid-structure coupling has been highlighted through comparisons with “non-coupled” simulations. Depending on the flow conditions, the twist of the hydrofoil together with the hydrodynamic loading are observed through the coupled simulation.

Copyright © 2006 by ASME



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