Smoothed profile method for direct numerical simulations of hydrodynamically interacting particles

R Yamamoto, JJ Molina, Y Nakayama - Soft Matter, 2021 - pubs.rsc.org
A general method is presented for computing the motions of hydrodynamically interacting
particles in various kinds of host fluids for arbitrary Reynolds numbers. The method follows …

A simple and efficient parallel immersed boundary-lattice Boltzmann method for fully resolved simulations of incompressible settling suspensions

M Jiang, J Li, Z Liu - Computers & Fluids, 2022 - Elsevier
This study presents an efficient and parallel fully resolved direct numerical simulation (FR-
DNS) of settling suspensions on multiple CPU cores based on the boundary-thickening …

[HTML][HTML] Inertial effects in sedimenting suspensions of solid spheres in a liquid

T Shajahan, WP Breugem - International Journal of Multiphase Flow, 2023 - Elsevier
Abstract Particle-resolved Direct Numerical Simulations have been performed on the
gravitational settling of mono-disperse solid spheres in a viscous fluid and triply periodic …

Dynamics of a chiral swimmer sedimenting on a flat plate

F Fadda, JJ Molina, R Yamamoto - Physical Review E, 2020 - APS
Three-dimensional simulations with fully resolved hydrodynamics are performed to study the
dynamics of a single squirmer with and without gravity to clarify its motion in the vicinity of a …

Simulations of model microswimmers with fully resolved hydrodynamics

N Oyama, JJ Molina, R Yamamoto - Journal of the Physical Society of …, 2017 - journals.jps.jp
Swimming microorganisms, which include bacteria, algae, and spermatozoa, play a
fundamental role in most biological processes. These swimmers are a special type of active …

Resolved simulations of sedimenting suspensions of spheres

DP Willen, A Prosperetti - Physical review fluids, 2019 - APS
Several results on sedimenting equal spheres obtained by resolved simulations with the
Physalis method are presented. The volume fraction ranges from 8.7% to 34.9% and the …

Study of particle inertia effects on drag force of finite sized particles in settling process

AA Zaidi - Chemical Engineering Research and Design, 2018 - Elsevier
The average drag force acting on free settling particles is calculated by particles resolved
direct numerical simulation. The main aim is to study and explain the effects of particle …

Particle-resolved simulation on viscous flow past random and ordered arrays of hot ellipsoidal particles

J Fu, S Chen, P Chen, C Wen - International Journal of Multiphase Flow, 2021 - Elsevier
Particle-resolved simulation is performed to study the drag force on arrays of ellipsoidal
particles with a temperature difference with respect to the surrounding fluid. The effect of …

Dynamics of microswimmers near a liquid–liquid interface with viscosity difference

C Feng, JJ Molina, MS Turner, R Yamamoto - Physics of Fluids, 2023 - pubs.aip.org
Transport of material across liquid interfaces is ubiquitous for living cells and is also a crucial
step in drug delivery and in many industrial processes. The fluids that are present on either …

Determination of specific and non-specific protein–protein interactions for beta-lactoglobulin by analytical ultracentrifugation and membrane osmometry experiments

MJ Uttinger, CS Hundschell, V Lautenbach, S Pusara… - Soft Matter, 2022 - pubs.rsc.org
Protein–protein interactions are essential for the understanding of biological processes.
Specific protein aggregation is an important aspect for many biological systems. In …