[HTML][HTML] A review on fluid dynamics of flapping foils

X Wu, X Zhang, X Tian, X Li, W Lu - Ocean Engineering, 2020 - Elsevier
The fluid dynamics of flapping foils are reviewed in this article. A very wide range of
researches are conducted for the two-dimensional flapping foil which has a relatively simple …

Hydrodynamic performance of slender swimmer: effect of travelling wavelength

LM Chao, MM Alam, L Cheng - Journal of Fluid Mechanics, 2022 - cambridge.org
The impact of Strouhal number St (= 0.1–1.0), Reynolds number Re (= 50–2000) and
dimensionless wavelength λ (= 0.5–2.0) on the hydrodynamic performance of a travelling …

Flow transitions and mapping for undulating swimmers

MSU Khalid, J Wang, H Dong, M Liu - Physical Review Fluids, 2020 - APS
Natural swimmers usually perform undulations to propel themselves and perform a range of
maneuvers. These include various biological species ranging from microsized organisms to …

Investigating chaotic wake dynamics past a flapping airfoil and the role of vortex interactions behind the chaotic transition

C Bose, S Sarkar - Physics of fluids, 2018 - pubs.aip.org
The present study investigates the complex vortex interactions in two-dimensional flow-field
behind a symmetric NACA0012 airfoil undergoing a prescribed periodic pitching-plunging …

Hydrodynamics of a tandem fish school with asynchronous undulation of individuals

MSU Khalid, I Akhtar, H Dong - Journal of Fluids and Structures, 2016 - Elsevier
We perform numerical simulations using immersed boundary method for flow over a single
and two fish in tandem performing traveling wave like motion for a range of Strouhal …

Numerical study on hydrodynamic effect of flexibility in a self-propelled plunging foil

X Zhu, G He, X Zhang - Computers & Fluids, 2014 - Elsevier
The present study is a numerical investigation of the hydrodynamic effects of passive
flexibility on a self-propelled plunging foil. In the model problem, the flow is two-dimensional …

How flexibility affects the wake symmetry properties of a self-propelled plunging foil

X Zhu, G He, X Zhang - Journal of fluid mechanics, 2014 - cambridge.org
The wake symmetry properties of a flapping-foil system are closely associated with its
propulsive performance. In the present work, the effect of the foil flexibility on the wake …

Deflected wake interaction of tandem flapping foils

NS Lagopoulos, GD Weymouth… - Journal of Fluid …, 2020 - cambridge.org
Symmetric flapping foils are known to produce deflected jets at high frequency–amplitude
combinations even at a zero mean angle of attack. This reduces the frequency range of …

[HTML][HTML] Extended lattice Boltzmann model for gas dynamics

MH Saadat, SA Hosseini, B Dorschner, IV Karlin - Physics of Fluids, 2021 - pubs.aip.org
We propose a two-population lattice Boltzmann model on standard lattices for the simulation
of compressible flows. The model is fully on-lattice and uses the single relaxation time …

Drag–thrust transition and wake structures of a pitching foil undergoing asymmetric oscillation

LM Chao, MM Alam, C Ji - Journal of Fluids and Structures, 2021 - Elsevier
The drag–thrusttransition and wake structures of a pitching foil undergoing asymmetric
sinusoidal oscillation are numerically investigated for foil thickness-based Strouhal number …