Unsteady Navier-Stokes simulation of low-Reynolds stall flutter

[en] A solver has been developed within the OpenFoam framework to compute large amplitude motion of two-dimensional rigid configurations. The results obtained with this code were successfully validated on rigid airfoils at static and dynamic conditions, as well as correlated with experimental data and numerical solutions from similar unsteady solvers. The results demonstrate that current computational methods are, within the constraints imposed by spatial grids, temporal integration and turbulence modeling, capable of capturing the self-sustained oscillations characterizing stall flutter event with reasonable accuracy, including the mechanisms of energy transfer.

Disciplines :

Aerospace & aeronautics engineering

Author, co-author :

Yabili, Sacha ; Université de Liège - ULiège > 1re an. master sc. écon., or. gén., à finalité

Smith, Marilyn; Georgia Institute of Technology > Daniel Guggenheim School of Aerospace Engineering

Dimitriadis, Grigorios ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Interactions Fluide-Structure - Aérodynamique expérimentale

Language :

English

Title :

Unsteady Navier-Stokes simulation of low-Reynolds stall flutter

Publication date :

January 2012

Event name :

50th AIAA Aerospace Sciences Meeting

Event organizer :

American Institute of Aeronautics and Astronautics

Event place :

Nashville, Tennesses, United States

Event date :

from 9-1-2012 to 12-1-2012

Audience :

International

Main work title :

Proceedings of the 50th AIAA Aerospace Sciences Meeting

Publisher :

AIAA

Pages :

AIAA-2012-0037

Available on ORBi :

since 11 January 2012

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