ArticleJournal of the Royal Society, Interface2014
Analytical insights into optimality and resonance in fish swimming.
Article in Journal of the Royal Society, Interface, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- On Bio-Inspired Strategies for Flow Control, Fluid-Structure Interaction, and Thermal Transport.Biomimetics (Basel, Switzerland) · 2026Review
- Robot motor learning shows emergence of frequency-modulated, robust swimming with an invariant Strouhal number.Journal of the Royal Society, Interface · 2024Article
- Numerical Investigation of Dimensionless Parameters in Carangiform Fish Swimming Hydrodynamics.Biomimetics (Basel, Switzerland) · 2024Article
- Scaling in Free-Swimming Fish and Implications for Measuring Size-at-Time in the Wild.PloS one · 2015Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This paper provides analytical insights into the hypothesis that fish exploit resonance to reduce the mechanical cost of swimming. A simple body-fluid fish model, representing carangiform locomotion, is developed. Steady swimming at various speeds is analysed using optimal gait theory by minimizing bending moment over tail movements and stiffness, and the results are shown to match with data from observed swimming. Our analysis indicates the following: thrust-drag balance leads to the Strouhal number being predetermined based on the drag coefficient and the ratio of wetted body area to cross-sectional area of accelerated fluid. Muscle tension is reduced when undulation frequency matches resonance frequency, which maximizes the ratio of tail-tip velocity to bending moment. Finally, hydrodynamic resonance determines tail-beat frequency, whereas muscle stiffness is actively adjusted, so that overall body-fluid resonance is exploited.
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Registered trials
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