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research article

Numerical capture of wing tip vortex improved by mesh adaptation

Joubarne, E.
•
Guibault, F.
•
Braun, O.
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2011
International Journal For Numerical Methods In Fluids

This paper presents a mesh adaptation procedure linked to a finite volume solver, the goal of which is to increase the precision of the numerical simulation of a wing tip vortex flow. The adaptation scheme is applied to hexahedron meshes and hybrid meshes made up of tetrahedrons and prisms. To evaluate the ability of each type of element to capture the physics of a tip vortex, a specific test case is studied and results obtained numerically from this test case are compared with experimental results. The error estimator of the adaptation scheme is derived from a solution scalar variable. It is shown that the element anisotropy as well as the adaptation algorithms used have an impact on the precision of the solution. Adaptation of hexahedrons allows a better capture of the tip vortex far from the vortex root, even though the adaptation of those hexahedrons barely changes the number of nodes used to achieve a specified precision, contrary to the adaptation of hybrid meshes. Copyright (C) 2009 John Wiley & Sons, Ltd.

  • Details
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Type
research article
DOI
10.1002/fld.2103
Web of Science ID

WOS:000294220600002

Author(s)
Joubarne, E.
Guibault, F.
Braun, O.
Avellan, F.  
Date Issued

2011

Published in
International Journal For Numerical Methods In Fluids
Volume

67

Start page

8

End page

32

Subjects

mesh adaptation

•

anisotropy

•

metric

•

hybrid meshes

•

tip vortex

•

finite volumes

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LMH  
Available on Infoscience
December 16, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/73664
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