Direct numerical simulations of multi-mode immiscible Rayleigh-Taylor instability with high Reynolds numbers

H Liang, X Hu, X Huang, J Xu - Physics of Fluids, 2019 - pubs.aip.org
In this paper, we conduct the high-resolution direct numerical simulations of multimode
immiscible Rayleigh-Taylor instability (RTI) with a low Atwood number (A t= 0.1) using an …

Lattice Boltzmann simulation of three-dimensional Rayleigh-Taylor instability

H Liang, QX Li, BC Shi, ZH Chai - Physical Review E, 2016 - APS
In this paper, the three-dimensional (3D) Rayleigh-Taylor instability (RTI) with low Atwood
number (A t= 0.15) in a long square duct (12 W× W× W) is studied by using a multiple …

Late-time quadratic growth in single-mode Rayleigh-Taylor instability

T Wei, D Livescu - Physical Review E, 2012 - APS
The growth of the two-dimensional single-mode Rayleigh-Taylor instability (RTI) at low
Atwood number (A= 0.04) is investigated using Direct Numerical Simulations. The main …

On the three-dimensional Rayleigh–Taylor instability

X He, R Zhang, S Chen, GD Doolen - Physics of Fluids, 1999 - pubs.aip.org
The three-dimensional Rayleigh–Taylor instability is studied using a lattice Boltzmann
scheme for multiphase flow in the nearly incompressible limit. This study focuses on the …

Revisiting the late-time growth of single-mode Rayleigh–Taylor instability and the role of vorticity

X Bian, H Aluie, D Zhao, H Zhang, D Livescu - Physica D: Nonlinear …, 2020 - Elsevier
Growth of the single-fluid single-mode Rayleigh–Taylor instability (RTI) is revisited in 2D and
3D using fully compressible high-resolution simulations. We conduct a systematic analysis …

Late-time description of immiscible Rayleigh–Taylor instability: A lattice Boltzmann study

H Liang, Z Xia, H Huang - Physics of Fluids, 2021 - pubs.aip.org
In this paper, the late-time description of immiscible Rayleigh–Taylor instability (RTI) in a
long duct is numerically investigated over a comprehensive range of the Reynolds numbers …

Numerical investigations of Rayleigh–Taylor instability with a density gradient layer

Y Song, P Wang, L Wang - Computers & Fluids, 2021 - Elsevier
Abstract The Rayleigh-Taylor instability (RTI) with a density gradient layer was investigated
by implicit large eddy simulations (ILES) in a framework of three dimensional compressible …

Compressible Rayleigh–Taylor instability subject to isochoric initial background state

S Majumder, B Sharma, D Livescu, SS Girimaji - Physics of Fluids, 2023 - pubs.aip.org
The effect of compressibility on the single-mode Rayleigh–Taylor instability is examined
using two (2D) and three-dimensional (3D) direct numerical simulations. To isolate …

Single-and dual-mode Rayleigh–Taylor instability at microscopic scale

J Ding, P Sun, S Huang, X Luo - Physics of Fluids, 2021 - pubs.aip.org
The microscopic Rayleigh–Taylor instability (RTI) is studied via molecular dynamics (MD)
simulation for single-and dual-mode interfaces under a strong acceleration. The growth …

[HTML][HTML] Direct numerical simulations of incompressible Rayleigh–Taylor instabilities at low and medium Atwood numbers

A Hamzehloo, P Bartholomew, S Laizet - Physics of Fluids, 2021 - pubs.aip.org
Direct numerical simulations of two-dimensional (2D) and three-dimensional (3D), single-
mode and multi-mode, incompressible immiscible Rayleigh–Taylor (RT) instabilities are …