ArticleProceedings of the National Academy of Sciences of the United States of America2015
Gait and speed selection in slender inertial swimmers.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 76 citations in OpenAlex.
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- Robot motor learning shows emergence of frequency-modulated, robust swimming with an invariant Strouhal number.Journal of the Royal Society, Interface · 2024Article
- Scaling the tail beat frequency and swimming speed in underwater undulatory swimming.Nature communications · 2023Review
- Dissolution-driven propulsion of floating solids.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Article
- The performance of a flapping foil for a self-propelled fishlike body.Scientific reports · 2021Article
- Friction modulation in limbless, three-dimensional gaits and heterogeneous terrains.Nature communications · 2021Article
- Gait change in tongue movement.Scientific reports · 2021Article
- The role of curvature feedback in the energetics and dynamics of lamprey swimming: A closed-loop model.PLoS computational biology · 2018Article
- Forward and inverse problems in the mechanics of soft filaments.Royal Society open science · 2018Article
- Dynamics and locomotion of flexible foils in a frictional environment.Proceedings. Mathematical, physical, and engineering sciences · 2018Article
- Phototactic guidance of a tissue-engineered soft-robotic ray.Science (New York, N.Y.) · 2016Article
- Fish optimize sensing and respiration during undulatory swimming.Nature communications · 2016Article
- Suction-based propulsion as a basis for efficient animal swimming.Nature communications · 2015Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inertial swimmers use flexural movements to push water and generate thrust. We quantify this dynamical process for a slender body in a fluid by accounting for passive elasticity and hydrodynamics and active muscular force generation and proprioception. Our coupled elastohydrodynamic model takes the form of a nonlinear eigenvalue problem for the swimming speed and locomotion gait. The solution of this problem shows that swimmers use quantized resonant interactions with the fluid environment to enhance speed and efficiency. Thus, a fish is like an optimized diode that converts a prescribed alternating transverse motion to forward motion. Our results also allow for a broad comparative view of swimming locomotion and provide a mechanistic basis for the empirical relation linking the swimmer's speed U, length L, and tail beat frequency f, given by U/L ~ f [Bainbridge R (1958) J Exp Biol 35:109-133]. Furthermore, we show that a simple form of proprioceptive sensory feedback, wherein local muscle activation is function of body curvature, suffices to drive elastic instabilities associated with thrust production and leads to a spontaneous swimming gait without the need for a central pattern generator. Taken together, our results provide a simple mechanistic view of swimming consistent with natural observations and suggest ways to engineer artificial swimmers for optimal performance.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.