Microscopic Richtmyer–Meshkov instability under strong shock

P Sun, J Ding, S Huang, X Luo, W Cheng - Physics of Fluids, 2020 - pubs.aip.org
The microscopic-scale Richtmyer–Meshkov instability (RMI) of a single-mode dense-gas
interface is studied by the molecular dynamics approach. Physically realistic evolution …

On divergent Richtmyer–Meshkov instability of a light/heavy interface

M Li, J Ding, Z Zhai, T Si, N Liu, S Huang… - Journal of Fluid …, 2020 - cambridge.org
We report the first experiments on divergent shock-driven Richtmyer–Meshkov instability
(RMI) at well-controlled single-mode interfaces. These experiments are performed in a novel …

Evolution of length scales and statistics of Richtmyer-Meshkov instability from direct numerical simulations

VK Tritschler, M Zubel, S Hickel, NA Adams - Physical Review E, 2014 - APS
In this study we present direct numerical simulation results of the Richtmyer-Meshkov
instability (RMI) initiated by Ma= 1.05, Ma= 1.2, and Ma= 1.5 shock waves interacting with a …

Molecular dynamics simulation of cylindrical Richtmyer-Meshkov instability

Z Wu, S Huang, J Ding, W Wang, X Luo - Science China Physics …, 2018 - Springer
Abstract The microscopic-scale Richtmyer-Meshkov (RM) instability of a single-mode Cu-He
interface subjected to a cylindrically con-verging shock is studied through the classical …

Suppression of the Richtmyer-Meshkov instability due to a density transition layer at the interface

T Sano, K Ishigure, F Cobos-Campos - Physical Review E, 2020 - APS
We have investigated the effects of a smooth transition layer at the contact discontinuity on
the growth of the Richtmyer-Meshkov instability (RMI) by hydrodynamic numerical …

Effect of a relative phase of waves constituting the initial perturbation and the wave interference on the dynamics of strong-shock-driven Richtmyer-Meshkov flows

A Pandian, RF Stellingwerf, SI Abarzhi - Physical Review Fluids, 2017 - APS
While it is a common wisdom that initial conditions influence the evolution of the Richtmyer-
Meshkov instability (RMI), the research in this area is focused primarily on the effects of the …

Direct simulation Monte Carlo investigation of the Richtmyer-Meshkov instability

MA Gallis, TP Koehler, JR Torczynski, SJ Plimpton - Physics of Fluids, 2015 - pubs.aip.org
The Richtmyer-Meshkov instability (RMI) is investigated using the Direct Simulation Monte
Carlo (DSMC) method of molecular gas dynamics. Due to the inherent statistical noise and …

[HTML][HTML] Effect of initial perturbation amplitude on Richtmyer-Meshkov flows induced by strong shocks

Z Dell, RF Stellingwerf, SI Abarzhi - Physics of Plasmas, 2015 - pubs.aip.org
We systematically study the effect of the initial perturbation on Richtmyer-Meshkov (RM)
flows induced by strong shocks in fluids with contrasting densities. Smooth Particle …

Refined modelling of the single-mode cylindrical Richtmyer–Meshkov instability

J Wu, H Liu, Z Xiao - Journal of Fluid Mechanics, 2021 - cambridge.org
Evolution of the two-dimensional single-mode Richtmyer–Meshkov (RM) instability in a
cylindrical geometry is numerically investigated through direct numerical simulation. A …

[HTML][HTML] Maximum initial growth-rate of strong-shock-driven Richtmyer-Meshkov instability

ZR Dell, A Pandian, AK Bhowmick, NC Swisher… - Physics of …, 2017 - pubs.aip.org
We focus on the classical problem of the dependence on the initial conditions of the initial
growth-rate of strong shock driven Richtmyer-Meshkov instability (RMI) by developing a …