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Theses

Optimisation des méthodes de calculs d'écoulements tourbillonnaires instationnaires

Abstract : The vortex particle methods is used to study numerically unsteady three dimensional flows about lifting surfaces. These methods are based on a discretisation of the vortical zones into particles whose movement is tracked. These particles carry a vortex vector which evolves with time according to local distortions of the velocity field. These numerical modelizations of unsteady vortical flows in Lagrangian formulation have the peculiarity of being well adapted to the description of complex phenomena, although they are known to be costly in terms of computing time.

The general purpose of this thesis is the improvement of these methods under three aspects :
- linear / non linear decomposition
- far field approximation
- parallel programming (PVM).

Applications regarding wind energy problems, either on wind turbine or on sail boat for the fluid/structure interactions are developed.
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Contributor : Frédéric Hauville <>
Submitted on : Wednesday, January 17, 2007 - 11:38:55 AM
Last modification on : Friday, July 17, 2020 - 2:53:31 PM
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  • HAL Id : tel-00125000, version 1

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Frédéric Hauville. Optimisation des méthodes de calculs d'écoulements tourbillonnaires instationnaires. Modélisation et simulation. Université du Havre, 1996. Français. ⟨tel-00125000⟩

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