Results 21 to 30 of about 24,098 (229)
Modeling and emergence of flapping flight of butterfly based on experimental measurements [PDF]
, 2012 The objective of this paper is to clarify the principle of stabilization in flapping-of-wing flight of a butterfly, which is a rhythmic and cyclic motion.
Hirai, Norio +6 more
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On mathematical modelling of insect flight dynamics in the context of micro air vehicles [PDF]
, 2006 This paper discusses several aspects of mathematical modelling relevant to the flight dynamics of insect flight in the context of insect-like flapping wing micro air vehicles (MAVs).
Ansar, Salman A. +2 more
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Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1909 This paper is supplementary to one by the same author published in the 'Proceedings of the Royal Society' in 1899, "On Flapping Flight of Aeroplanes," communicated by the late Prof. George F. FitzGerald, F. R. S. Towards the end of that paper, the author refers to the subject of hovering, and points out that the method of his paper does not apply, in ...
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Animal Flight Dynamics II. Longitudinal Stability in Flapping Flight
Journal of Theoretical Biology, 2002 Stability is essential to flying and is usually assumed to be especially problematic in flapping flight. If so, problems of stability may have presented a particular hurdle to the evolution of flapping flight. In spite of this, the stability of flapping flight has never been properly analysed.
Taylor, G, Thomas, A
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Research progress on the wind tunnel experiment of a bionic flapping-wing aerial vehicle
工程科学学报, 2022 “Flapping wing” is a mechanism observed in the flight of birds, insects, and bats. The lift and thrust for a flight are generated by the active movement of wings. It was first specifically designed by Da Vinci.
Qiang FU +4 more
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Heart rate and estimated energy expenditure of flapping and gliding in black-browed albatrosses [PDF]
, 2013 Albatrosses are known to expend only a small amount of energy during flight. The low energy cost of albatross flight has been attributed to energy-efficient gliding (soaring) with sporadic flapping, although little is known about how much time and energy
Iwata, T. +5 more
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On the Proper Treatment of Dynamics in Cognitive Science
Topics in Cognitive Science, EarlyView., 2023 Abstract This essay examines the relevance of dynamical ideas for cognitive science. On its own, the mere mathematical idea of a dynamical system is too weak to serve as a scientific theory of anything, and dynamical approaches within cognitive science are too rich and varied to be subsumed under a single “dynamical hypothesis.” Instead, after first ...
Randall D. Beer
wiley +1 more source
A CFD-informed quasi-steady model of flapping-wing aerodynamics [PDF]
, 2015 Aerodynamic performance and agility during flapping flight are determined by the combination of wing shape and kinematics. The degree of morphological and kinematic optimization is unknown and depends upon a large parameter space.
Bomphrey, R J, Liu, H, Nakata, T
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Design and Aerodynamic Analysis of Flapping Mechanism of Two-stage Flapping-wing Aircrafts
Jixie chuandong, 2022 In order to improve the flight performance of the flapping-wing aircraft, this study draws on the characteristics of the flight movement of large birds, designs a new two-stage foldable bionic flapping-wing mechanism, and establishes the kinematic and ...
Sheng Dian +3 more
doaj
Aerospace, 2018 Beetles have attracted attention from researchers due to their unique combination of a passively flapping forewing and an actively flapping hindwing during flight.
Hidetoshi Takahashi +3 more
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