2022
DOI: 10.1177/09544100221103020
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Unsteady aerodynamic analysis and effectiveness of bio-inspired flapping wings in V-formation flight

Abstract: Several bird species have been observed to fly in V-formation, an arrangement which exploits aerodynamic features to allow the group to conserve energy when migrating over long distances without stopping and feeding. The use of such grouping arrangement and organized pattern has demonstrated longer endurance and less power consumption in comparison with single flights. In this work, a computationally efficient potential flow solver based on the unsteady vortex lattice method (UVLM) is employed to assess the ae… Show more

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Cited by 4 publications
(1 citation statement)
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“…Both 2D and 3D VLMs have been used extensively for first-order estimates of steady and unsteady airfoil loading, in a variety of applications such as wind and tidal energy 48,49 , boat propellers 50 , and aircraft wing modelling 51 . More recently, they have seen extensive use in the study of oscillating airfoils, propulsive kinematics and fluid-structure interaction 39,[52][53][54] . VLM in the format used in this paper gives results identical to classical inviscid airfoil theory such as the Theodorsen and Sears functions, for both steady and unsteady flow 50,55 , and also performs well compared to high-order CFD simulations as long as separated flow effects are not dominant 49,51 .…”
Section: A Methodologymentioning
confidence: 99%
“…Both 2D and 3D VLMs have been used extensively for first-order estimates of steady and unsteady airfoil loading, in a variety of applications such as wind and tidal energy 48,49 , boat propellers 50 , and aircraft wing modelling 51 . More recently, they have seen extensive use in the study of oscillating airfoils, propulsive kinematics and fluid-structure interaction 39,[52][53][54] . VLM in the format used in this paper gives results identical to classical inviscid airfoil theory such as the Theodorsen and Sears functions, for both steady and unsteady flow 50,55 , and also performs well compared to high-order CFD simulations as long as separated flow effects are not dominant 49,51 .…”
Section: A Methodologymentioning
confidence: 99%