From wakes to wings: using a multi-fidelity approach to design flapping wings

David J. Willis; Hesam Salehipour

doi:10.1117/12.2050201

4 June 2014 From wakes to wings: using a multi-fidelity approach to design flapping wings

David J. Willis, Hesam Salehipour

Proceedings Volume 9083, Micro- and Nanotechnology Sensors, Systems, and Applications VI; 90831O (2014) https://doi.org/10.1117/12.2050201
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

Abstract

We present two potential flow based computational tools for the design and analysis of efficient, low Reynolds number flapping wings. Our approach starts with a series of wake-only momentum and energetics analyses. We have used and extended the classical wake-only approach to efficiently perform a large number of computations over the flapping parameter space. The method considers the balance of flight forces in the coupled prediction of wing flapping kinematics and flight energetics. Following the wake-only energetics analysis, a quasi-inverse doublet lattice method (qi-DLM) is applied to determine flapping wing shape including localized wing morphing and deformation. This local wing morphing prescribed so that the wing may achieve the desired, minimum power wake vorticity distribution defined by the wake-only analysis. In this paper we illustrate these methods and perform a preliminary study to assess the impact of wing taper, wing camber and wing twist variations on efficient flapping flight.

Citation Download Citation

David J. Willis and Hesam Salehipour "From wakes to wings: using a multi-fidelity approach to design flapping wings", Proc. SPIE 9083, Micro- and Nanotechnology Sensors, Systems, and Applications VI, 90831O (4 June 2014); https://doi.org/10.1117/12.2050201

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