Towards simulation of flapping wings using immersed boundary method

Zhang, XQ, Theissen, P and Schluter, Jorg 2013, Towards simulation of flapping wings using immersed boundary method, International journal for numerical methods in fluids, vol. 71, no. 4, pp. 522-536, doi: 10.1002/fld.3678.

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Title Towards simulation of flapping wings using immersed boundary method
Author(s) Zhang, XQ
Theissen, P
Schluter, JorgORCID iD for Schluter, Jorg
Journal name International journal for numerical methods in fluids
Volume number 71
Issue number 4
Start page 522
End page 536
Total pages 15
Publisher Wiley-Blackwell
Place of publication Chichester, Eng.
Publication date 2013-02
ISSN 0271-2091
Keyword(s) immersed boundary method
Lagrangian method
leading edge vortex
incompressible turbulent flow
large eddy simulation
Summary In this work the immersed boundary method is applied to simulate incompressible turbulent flows around stationary and moving objects. The goal is to demonstrate that the immersed boundary technique along with a large eddy simulation approach is capable of simulating the effect of the so-called leading edge vortex (LEV), which can be found in flapping wing aerodynamics. A Lagrangian method is used to approximatethe solutions in the freshly cleared cells that lay within solid objects at one time step and emerge into fluid domain at the next time step. Flow around a stationary cylinder at ReD D 20, 40, and 3900 (based oncylinder diameter D) is first studied to validate the immersed boundary solver based on the finite volume scheme using a staggered grid. Then, a harmonically oscillating cylinder at ReD D 10 000 is considered to test the solver after the Lagrangian method is implemented to interpolate the solution in the freshly cleared cells. Finally, this approach is used to study flows around a stationary flat-plate at several angles of attack and fast pitching flat-plate. The rapidly pitching plate creates a dynamic LEV that can be used to improve the efficiency of flapping wings of micro air vehicle and to determine the optimum flapping frequency.
Language eng
DOI 10.1002/fld.3678
Field of Research 090199 Aerospace Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2012, John Wiley & Sons Ltd
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