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Stability versus maneuverability in hovering flight
Physics of Fluids
Insects and birds are often faced by opposing requirements for agile and stable flight. Here, we explore the interplay between aerodynamic effort, maneuverability, and stability in a model system that consists of a Λ-shaped flyer hovering in a vertically oscillating airflow. We determine effective conditions that lead to periodic hovering in terms of two parameters: the flyer's shape (opening angle) and the effort (flow acceleration) needed to keep the flyer aloft. We find optimal shapes thatdoi:10.1063/1.4923314 fatcat:3f2guq7ucvfipkr7itshwi6ycu