Tunable stiffness in fish robotics: mechanisms and advantages

D Quinn, G Lauder - Bioinspiration & Biomimetics, 2021 - iopscience.iop.org
One of the emerging themes of fish-inspired robotics is flexibility. Adding flexibility to the
body, joints, or fins of fish-inspired robots can significantly improve thrust and/or efficiency …

Research development on fish swimming

Y Liu, H Jiang - Chinese Journal of Mechanical Engineering, 2022 - Springer
Fishes have learned how to achieve outstanding swimming performance through the
evolution of hundreds of millions of years, which can provide bio-inspiration for robotic fish …

Undulatory and oscillatory swimming

AJ Smits - Journal of Fluid Mechanics, 2019 - cambridge.org
Theory and modelling remain central to improving our understanding of undulatory and
oscillatory swimming. Simple models based on added mass can help to give great insight …

Fluid-structure interaction of bio-inspired flexible slender structures: A review of selected topics

C Wang, H Tang, X Zhang - Bioinspiration & biomimetics, 2022 - iopscience.iop.org
Flexible slender structures are ubiquitous in biological systems and engineering
applications. Fluid-structure interaction (FSI) plays a key role in the dynamics of such …

Effects of body stiffness on propulsion during fish self-propelled swimming

MF Xu, YL Yu - Physics of Fluids, 2023 - pubs.aip.org
Many fish propel themselves using wave-like lateral flexion of their body and tail in the
water. The undulatory body is driven by the distributed muscles, and locomotion is achieved …

A high-fidelity numerical study on the propulsive performance of pitching flexible plates

G Li, G Kemp, RK Jaiman, BC Khoo - Physics of Fluids, 2021 - pubs.aip.org
In this paper, we numerically investigate the propulsive performance of three-dimensional
pitching flexible plates with varying flexibility and trailing edge shapes. We employ our …

Scaling the self-propulsive performance of pitching and heaving flexible plates

K Liu, X Liu, H Huang - Journal of Fluid Mechanics, 2022 - cambridge.org
Self-propulsive performances of the flexible plates undergoing pitching and heaving motions
are investigated numerically. The effects of multiple key dimensionless parameters are …

Tapered foils favor traveling-wave kinematics to enhance the performance of flapping propulsion

P Leroy-Calatayud, M Pezzulla, A Keiser, K Mulleners… - Physical Review …, 2022 - APS
We report results from an experimental investigation on the fluid-structure interactions of
flapping foils with tapered thickness profiles actuated in a quiescent viscous fluid. We seek …

Optimal chordwise stiffness distribution for self-propelled heaving flexible plates

W Wang, H Huang, XY Lu - Physics of Fluids, 2020 - pubs.aip.org
The effect of non-uniform chordwise stiffness distribution on the self-propulsive performance
of three-dimensional flexible plates is studied numerically. Some typical stiffness …

Analytical results for the propulsion performance of a flexible foil with prescribed pitching and heaving motions and passive small deflection

R Fernandez-Feria… - Journal of Fluid …, 2021 - cambridge.org
The propulsive performance of a flexible foil with prescribed pitching and heaving motions
about any pivot point location and passive chordwise flexural deflection is analysed within …