Effects of compressibility and Atwood number on the single-mode Rayleigh-Taylor instability

T Luo, J Wang, C Xie, M Wan, S Chen - Physics of fluids, 2020 - pubs.aip.org
In order to study the effect of compressibility on Rayleigh-Taylor (RT) instability, we
numerically simulated the late-time evolution of two-dimensional single-mode RT instability …

Group theory analysis of early-time scale-dependent dynamics of the Rayleigh-Taylor instability with time varying acceleration

DL Hill, AK Bhowmick, DV Ilyin, SI Abarzhi - Physical Review Fluids, 2019 - APS
We consider the long-standing problem of Rayleigh-Taylor instability with variable
acceleration, and focus on the early-time scale-dependent dynamics of an interface …

Direct simulation Monte Carlo investigation of the Rayleigh-Taylor instability

MA Gallis, TP Koehler, JR Torczynski, SJ Plimpton - Physical Review Fluids, 2016 - APS
The Rayleigh-Taylor instability (RTI) is investigated using the direct simulation Monte Carlo
(DSMC) method of molecular gas dynamics. Here, fully resolved two-dimensional DSMC …

Lagrangian investigation of the interface dynamics in single-mode Rayleigh–Taylor instability

D Zhao, L Xiao, H Aluie, P Wei, C Lin - Physics of Fluids, 2023 - pubs.aip.org
We apply Lagrangian particle tracking to the two-dimensional single-mode Rayleigh–Taylor
(RT) instability to study the dynamical evolution of fluid interface. At the onset of the …

Immiscible Rayleigh-Taylor turbulence using mesoscopic lattice Boltzmann algorithms

HS Tavares, L Biferale, M Sbragaglia, AA Mailybaev - Physical Review Fluids, 2021 - APS
We studied turbulence induced by the Rayleigh-Taylor (RT) instability for two-dimensional
(2D) immiscible two-component flows by using a multicomponent lattice Boltzmann method …

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 …

Theory and simulations of linear and nonlinear two-dimensional Rayleigh–Taylor dynamics with variable acceleration

WHR Chan, SS Jain, H Hwang, A Naveh… - Physics of Fluids, 2023 - pubs.aip.org
ABSTRACT Interfacial Rayleigh–Taylor mixing is crucial to describing important natural and
engineering processes, such as exploding supernovae, laser micromachining, hot spots in …

On the miscible Rayleigh–Taylor instability: two and three dimensions

YN Young, H Tufo, A Dubey, R Rosner - Journal of Fluid Mechanics, 2001 - cambridge.org
We investigate the miscible Rayleigh–Taylor (RT) instability in both two and three
dimensions using direct numerical simulations, where the working fluid is assumed …

Optimal perturbations for controlling the growth of a Rayleigh–Taylor instability

A Kord, J Capecelatro - Journal of fluid mechanics, 2019 - cambridge.org
A discrete adjoint-based method is employed to control multi-mode Rayleigh–Taylor (RT)
instabilities via strategic manipulation of the initial interfacial perturbations. We seek to find …

[HTML][HTML] Numerical simulation of the three-dimensional Rayleigh–Taylor instability

HG Lee, J Kim - Computers & Mathematics with Applications, 2013 - Elsevier
Abstract The Rayleigh–Taylor instability is a fundamental instability of an interface between
two fluids of different densities, which occurs when the light fluid is pushing the heavy fluid …