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Dynamic Stall and Stall Flutter Simulations for a 2D Airfoil Using Viscous-Inviscid Coupling
Rothkegel Ide, José Ignacio; Dimitriadis, Grigorios
2013In Proceedings of the 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
 

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Keywords :
Viscous-inviscid interaction; Dynamic stall; Stall flutter
Abstract :
[en] An interactive boundary layer model has been developed and coupled with a pitch plunge airfoil in 2d in order to solve the unsteady flow around the airfoil when undergoing light dynamic stall. The inviscid problem is solved by means of a panel method, by the discretization of the airfoil into vortex panels. The boundary layer is solved in a mixed manner, starting the solution in a direct way by imposing the external velocity and continuing it in an inverse way by imposing the displacement thickness. The solution of the boundary layer equations is carried out using a finite volume scheme. Viscous-inviscid coupling is preformed through the imposition of a permeation velocity on the skin panels of the airfoil and the addition of a free wake at each separation point.
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
Rothkegel Ide, José Ignacio ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Département d'aérospatiale et mécanique
Dimitriadis, Grigorios ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Interactions Fluide-Structure - Aérodynamique expérimentale
Language :
English
Title :
Dynamic Stall and Stall Flutter Simulations for a 2D Airfoil Using Viscous-Inviscid Coupling
Publication date :
10 April 2013
Event name :
54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Event organizer :
AIAA
Event place :
Boston, Massachusetts, United States
Event date :
from 08-04-2013 to 11-04-2013
Audience :
International
Main work title :
Proceedings of the 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Publisher :
AIAA
Pages :
AIAA-2013-1839
Available on ORBi :
since 15 April 2013

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