Two-dimensional study on the motion and interactions of squirmers under gravity in a vertical channel

D Nie, Y Ying, G Guan, J Lin, Z Ouyang - Journal of Fluid Mechanics, 2023 - cambridge.org
We simulated the motions and interactions of circular squirmers under gravity in a two-
dimensional channel at finite fluid inertia, aiming to provide a comprehensive analysis of the …

Study on the sedimentation and interaction of two squirmers in a vertical channel

Y Ying, T Jiang, D Nie, J Lin - Physics of Fluids, 2022 - pubs.aip.org
We simulated the sedimentation of two self-propelled particles in a two-dimensional (2D)
vertical channel using the lattice Boltzmann method. A 2D squirmer model was employed to …

Hydrodynamic behavior of inertial elongated microswimmers in a horizontal channel

Y Ying, G Guan, J Lin - International Journal of Non-Linear Mechanics, 2024 - Elsevier
In the current study, the lattice Boltzmann method was used to explore the motion of an
elongated microswimmer in a horizontal channel with finite fluid inertia. By employing an …

Swimming mode of two interacting squirmers under gravity in a narrow vertical channel

G Guan, J Lin, D Nie - Entropy, 2022 - mdpi.com
The swimming mode of two interacting squirmers under gravity in a narrow vertical channel
is simulated numerically using the lattice Boltzmann method (LBM) in the range of self …

Study on the interaction and motion patterns of squirmers swimming in a shear flow

G Guan, J Lin - Physics of Fluids, 2023 - pubs.aip.org
In order to study the dynamic characteristics of micro-organisms or engineered swimmers,
the simulations of the motion and interaction of a pair of squirmers in a shear flow are …

The effect of relative position on the motion and interactions of particle sedimentation under gravity in a finite-width vertical channel

T Guo, B Yan, X Lu, Z Luo - Engineering Applications of …, 2024 - Taylor & Francis
Understanding the settling behaviour of particles and the interactions between fluid and
particles in channelled fluids is crucial for various natural and industrial processes. The …

Settling mode of a bottom-heavy squirmer in a narrow vessel

Q Tingting, L Jianzhong, O Zhenyu, Z Jue - Soft Matter, 2023 - pubs.rsc.org
The lattice Boltzmann-immersed boundary (IB-LB) method is used to numerically simulate
the sedimentation motion of a single two-dimensional, bottom-heavy squirmer in a narrow …

Swimming of an inertial squirmer array in a Newtonian fluid

Z Ouyang, J Lin, N Phan-Thien - Physics of Fluids, 2022 - pubs.aip.org
An immersed boundary-lattice Boltzmann method is employed to simulate a squirmer (a
classical self-propelled model) array swimming in a Newtonian fluid. The swimming …

Study of sedimentation characteristics of an elliptical squirmer in a vertical channel

Y Ying, T Jiang, S Li, D Nie, J Lin - Physica Scripta, 2024 - iopscience.iop.org
We used a two-dimensional lattice Boltzmann method to simulate the sedimentation motion
of an elliptical squirmer in a vertical channel, taking into account the case of a circular …

The sedimentation behaviors of elliptical active particles in a rectangular box

C Liu, Z Ouyang, J Lin - Journal of Fluids and Structures, 2024 - Elsevier
The “squirmer” model, a micro-swimming model driven by an imposed tangential velocity at
the boundaries, is used to simulate the sedimentation behaviors of one and two elliptical …