NDLI: Parametric investigations into fluid-structure interactions in hovering flapping flight

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Parametric investigations into fluid-structure interactions in hovering flapping flight

Content Provider	Semantic Scholar
Author	Maxwell, Jesse R.
Copyright Year	2013
Abstract	Title of Thesis: PARAMETRIC INVESTIGATIONS INTO FLUID-STRUCTURE INTERACTIONS IN HOVERING FLAPPING FLIGHT Jesse Maxwell, 2013 Thesis Directed By: Professor Balakumar Balachandran Department of Mechanical Engineering A parametric investigation into flapping flight is presented. For a Reynolds number of 75, harmonically forced flapping dynamics is studied. A wing section is modeled as two rigid links connected by a hinge with a torsion spring-damper combination. This section is wrapped in a smooth aerodynamic surface for immersion in the fluid domain. An immersed boundary method is employed on a two-dimensional structured Cartesian grid to solve the incompressible form of the Navier-Stokes equations for low Reynolds numbers by using a finite difference method. Fully coupled fluidstructure interactions are considered. Performance metrics, which include cycle-averaged lift, drag, power, and their ratios, are used to characterize the effects of different parameters and kinematics. Principal components of flow-field structures are quantified, and the system’s response is correlated to performance. The thesis findings can serve as a basis to understand and identify flapping frequencies that provide high performance. PARAMETRIC INVESTIGATIONS INTO FLUID-STRUCTURE INTERACTIONS IN HOVERING FLAPPING FLIGHT
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://drum.lib.umd.edu/bitstream/handle/1903/14309/Maxwell_umd_0117N_14311.pdf?isAllowed=y&sequence=1
Alternate Webpage(s)	http://drum.lib.umd.edu/bitstream/handle/1903/14309/Maxwell_umd_0117N_14311.pdf?isAllowed=y&sequence=1
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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