Geometry and Mechanics of Feet and Fins - Madhusudhan Venkadesan

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The stiffness of propulsive appendages, such as feet and fins, is important in locomotory function. In this talk, I show that curvature-induced stiffness is the common principle underlying the stiffness of both primate feet and rayed fish fins. We use mathematical models, physical replicas, and biological experiments to arrive at this conclusion. The principle is evident in a drooping dollar bill that significantly stiffens upon slightly curling in the transverse direction.

https://mediaspace.gatech.edu/media/venkadesan.mpg/1_oaqwmsnd

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Geometry and Mechanics of Feet and Fins - Madhusudhan Venkadesan

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