Droplet solidification: Physics and modelling

A Tiwari, R Samanta, H Chattopadhyay - Applied Thermal Engineering, 2023 - Elsevier
Droplet solidification has received much attention over the last two decades due its
relevance in natural processes as well as engineering applications. Study of droplet …

A mass-conserving lattice Boltzmann method with dynamic grid refinement for immiscible two-phase flows

A Fakhari, M Geier, T Lee - Journal of Computational Physics, 2016 - Elsevier
A mass-conserving lattice Boltzmann method (LBM) for multiphase flows is presented in this
paper. The proposed LBM improves a previous model (Lee and Liu, 2010 [21]) in terms of …

Evaluation of outflow boundary conditions for two-phase lattice Boltzmann equation

Q Lou, Z Guo, B Shi - Physical Review E—Statistical, Nonlinear, and Soft …, 2013 - APS
Outflow boundary condition (OBC) is a critical issue in computational fluid dynamics. As a
type of numerical method for fluid flows, the lattice Boltzmann equation (LBE) method has …

Extending the life of wind turbine blade leading edges by reducing the tip speed during extreme precipitation events

JI Bech, CB Hasager, C Bak - Wind Energy Science, 2018 - wes.copernicus.org
Impact fatigue caused by collision with rain droplets, hail stones and other airborne particles,
also known as leading-edge erosion, is a severe problem for wind turbine blades. Each …

Phase-field modeling by the method of lattice Boltzmann equations

A Fakhari, MH Rahimian - Physical Review E—Statistical, Nonlinear, and Soft …, 2010 - APS
In this paper, at first, a lattice Boltzmann method for binary fluids, which is applicable at low
viscosity values, is developed. The presented scheme is extension of the free-energy-based …

A weighted multiple-relaxation-time lattice Boltzmann method for multiphase flows and its application to partial coalescence cascades

A Fakhari, D Bolster, LS Luo - Journal of Computational Physics, 2017 - Elsevier
We present a lattice Boltzmann method (LBM) with a weighted multiple-relaxation-time
(WMRT) collision model and an adaptive mesh refinement (AMR) algorithm for direct …

Comparison of free-surface and conservative Allen–Cahn phase-field lattice Boltzmann method

C Schwarzmeier, M Holzer, T Mitchell… - Journal of …, 2023 - Elsevier
This study compares the free-surface lattice Boltzmann method (FSLBM) with the
conservative Allen–Cahn phase-field lattice Boltzmann method (PFLBM) in their ability to …

Numerical analysis of secondary droplets characteristics due to drop impacting on 3D cylinders considering dynamic contact angle

J Alinejad, MM Peiravi - Meccanica, 2020 - Springer
This study is investigating three-dimensional numerical simulation of a Newtonian droplet
impact and break on two square cylinders based on dynamic contact angle of droplet at the …

Droplet evolution prediction in material jetting via tensor time series analysis

LJ Segura, Z Li, C Zhou, H Sun - Additive Manufacturing, 2023 - Elsevier
Material Jetting (MJ) process is an additive manufacturing process that is able to produce
structures with high resolutions. The performance and quality of the MJ printed parts …

Drop deformation and breakup

T Kékesi, G Amberg, LP Wittberg - International Journal of Multiphase Flow, 2014 - Elsevier
Abstract A Volume of Fluid (VOF) method is applied to investigate the deformation and
breakup of an initially spherical drop in the bag-and shear breakup regimes, induced by …