共同确定为确
发表于 2025-3-23 13:21:35
l flying and swimming to biomimetics.Written from the expertThe physical principles of swimming and flying in animals are intriguingly different from those of ships and airplanes. The study of animal locomotion therefore holds a special place not only at the frontiers of pure fluid dynamics research
BIDE
发表于 2025-3-23 15:13:33
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Progesterone
发表于 2025-3-23 20:14:00
Flowfield measurements in the wake of a robotic lampreyby Tytell and Lauder (J Exp Biol 207:1825-1841, 2004). For steady swimming, the wake structure closely resembles that of the American eel, where two pairs of same sign vortices are shed each tail beat cycle, giving the wake a 2P structure. Force estimates suggest that the major part of the thrust is produced at or close to the end of the tail.
covert
发表于 2025-3-24 01:45:18
A harmonic model of hydrodynamic forces produced by a flapping fintch in hover, in uniform flow, and under various kinematic conditions. A multi-fin vehicle could use this model to account for the dominant non-linearities and minimize undesirable motions through coordinated control of individual fins.
联想
发表于 2025-3-24 04:38:10
Powered control mechanisms contributing to dynamically stable swimming in porcupine puffers (Teleostins at lower speeds; dorsal, anal, and caudal fins at higher speeds. Precise coordination of fin movements produced small recoil movements at speeds below .. The unusual body shape probably contributes to unconscious stability control.
不规则
发表于 2025-3-24 07:14:26
Fluid dynamics of self-propelled microorganisms, from individuals to concentrated populationssystem which is nominally in the regime of Stokes flow can be understood by accounting for the local energy input by the swimmers, with a new dimensionless ratio analogous to the Reynolds number. The interaction between organisms and boundaries, and with one another, is modeled by application of the methods of regularized Stokeslets.
使入迷
发表于 2025-3-24 13:40:48
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无表情
发表于 2025-3-24 17:36:46
Book 2010 therefore holds a special place not only at the frontiers of pure fluid dynamics research, but also in the applied field of biomimetics, which aims to emulate salient aspects of the performance and function of living organisms. For example, fluid dynamic loads are so significant for swimming fish t
Arb853
发表于 2025-3-24 22:52:50
Swimming hydrodynamics: ten questions and the technical approaches needed to resolve themuch remains to be done. Ten questions are presented here as an avenue to discuss some of the arenas in which progress still is needed and as a means of considering the technical approaches to address these questions. 1. What is the three-dimensional structure of propulsive surfaces? 2. How do propul
forestry
发表于 2025-3-25 00:38:48
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