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Wake Signature of Finite-Span Flapping Rigid Wings

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High Performance Computing in Science and Engineering '10

Abstract

A numerical study is conducted in order to investigate the wake signature and aerodynamics forces of finite-span flapping wings. The unsteady laminar incompressible Navier-Stokes equations are solved on moving overlapping structured grids using a second-order accurate in space and time finite-difference scheme. Specifically, finite-span rigid wings undergoing pure heaving and root-flapping motions are studied. From the results presented, it is found that root-flapping wings produce wake structures similar to those of heaving wings, but with the difference that the latter wing kinematics generates larger vortices and forces than root-flapping wings; aside from this, similar wake regimes occurs at comparable values of the Strouhal numbers. The numerical simulations are performed at a Reynolds number of Re=250 and at different values of Strouhal number and reduced frequency.

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Author information

Authors and Affiliations

  1. University of Genoa, Via Montallegro 1, Genoa, 16145, Italy

    Joel E. Guerrero

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  1. Joel E. Guerrero
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Correspondence to Joel E. Guerrero .

Editor information

Editors and Affiliations

  1. Zentrum für Informationsdienste und, Hochleistungsrechnen (ZIH), TU Dresden, Dresden, 01062, Germany

    Wolfgang E. Nagel

  2. , Abt. Angewandte Mathematik, Universität Freiburg, Hermann-Herder-Str. 10, Freiburg, 79104, Germany

    Dietmar B. Kröner

  3. Stuttgart (HLRS), Universität Stuttgart, Höchstleistungsrechenzentrum, Nobelstraße 19, Stuttgart, 70569, Germany

    Michael M. Resch

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Guerrero, J.E. (2011). Wake Signature of Finite-Span Flapping Rigid Wings. In: Nagel, W., Kröner, D., Resch, M. (eds) High Performance Computing in Science and Engineering '10. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15748-6_31

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