Rayleigh–Taylor and Richtmyer–Meshkov instability induced flow, turbulence, and mixing. II

Y Zhou - Physics Reports, 2017 - Elsevier
Abstract Rayleigh–Taylor (RT) and Richtmyer–Meshkov (RM) instabilities are well-known
pathways towards turbulent mixing layers, in many cases characterized by significant mass …

[HTML][HTML] Turbulent mixing and transition criteria of flows induced by hydrodynamic instabilities

Y Zhou, TT Clark, DS Clark, S Gail Glendinning… - Physics of …, 2019 - pubs.aip.org
In diverse areas of science and technology, including inertial confinement fusion (ICF),
astrophysics, geophysics, and engineering processes, turbulent mixing induced by …

Coupling laser physics to radiation-hydrodynamics

BM Haines, DE Keller, JA Marozas, PW McKenty… - Computers & …, 2020 - Elsevier
In order to accurately model implosion hydrodynamics in a radiation-hydrodynamics code, it
is essential to include accurate accounting for energy deposition physics. In inertial …

The influence of initial perturbation power spectra on the growth of a turbulent mixing layer induced by Richtmyer–Meshkov instability

M Groom, B Thornber - Physica D: Nonlinear Phenomena, 2020 - Elsevier
This paper investigates the influence of different broadband perturbations on the evolution of
a Richtmyer–Meshkov turbulent mixing layer initiated by a Mach 1.84 shock traversing a …

Three-dimensional simulations of turbulent mixing in spherical implosions

M El Rafei, M Flaig, DL Youngs, B Thornber - Physics of Fluids, 2019 - pubs.aip.org
High-resolution large-eddy simulations of turbulent mixing at the inner surface of a dense
shell which undergoes forced compression by a spherically imploding shock wave are …

Numerical study and buoyancy–drag modeling of bubble and spike distances in three-dimensional spherical implosions

M El Rafei, B Thornber - Physics of Fluids, 2020 - pubs.aip.org
High-resolution three-dimensional implicit large eddy simulations of implosion in spherical
geometries are presented. The growth of perturbations is due to Rayleigh–Taylor (RT) and …

Single-mode perturbation growth in an idealized spherical implosion

M Flaig, D Clark, C Weber, DL Youngs… - Journal of Computational …, 2018 - Elsevier
This paper considers a dense imploding spherical shell, where perturbations on the inner
surface grow due to hydrodynamic instabilities, geometric convergence and compression. A …

Turbulence statistics and transport in compressible mixing driven by spherical implosions with narrowband and broadband initial perturbations

M El Rafei, B Thornber - Physical Review Fluids, 2024 - APS
Compressible turbulent mixing evolving from Richtmyer-Meshkov and Rayleigh-Taylor
instabilities and Bell-Plesset effects has been investigated using high-resolution implicit …

Statistical characteristics of turbulent mixing in spherical and cylindrical converging Richtmyer–Meshkov instabilities

X Li, Y Fu, C Yu, L Li - Journal of Fluid Mechanics, 2021 - cambridge.org
In this paper, the Richtmyer–Meshkov instabilities in spherical and cylindrical converging
geometries with a Mach number of approximately 1.5 are investigated by using the high …

Multifidelity validation of digital surrogates using variable-density turbulent mixing models

B Musci, B Olson, S Petter, G Pathikonda, D Ranjan - Physical Review Fluids, 2023 - APS
In this study, ensembles of experimental data are presented and utilized to compare and
validate two models used in the simulation of variable-density (Atwood= 0.22), compressible …