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Hydroelastic performance of fish-like swimmers in confined flows: Experimental and numerical investigation
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DOI：10.1016/j.jfluidstructs.2026.104592.png)
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Abstract
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• Experiments and simulations reveal confinement effects on fish propulsions. • 2D self-propelled hydroelastic fish-like model including translational recoil. • Body thickness increases pressure drag and reduces thrust generation. • Confinement alters wake dynamics and reduces propulsive efficiency. • Propulsion regime depends on Strouhal scaling and hydrodynamic confinement.
Keywords:
Fish-swimming experiments
Fish-like simulations
Self-propelled swimming
Fluid-structure interaction
Hydroelasticity
Body-shape effects
Hydrodynamic confinement
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