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] Self-similar Reynolds-averaged mechanical–scalar turbulence models for Rayleigh–Taylor, Richtmyer–Meshkov, and Kelvin–Helmholtz instability-induced …

O Schilling - Physics of Fluids, 2021 - pubs.aip.org
Analytical self-similar solutions to two-, three-, and four-equation Reynolds-averaged
mechanical–scalar turbulence models describing incompressible turbulent Rayleigh–Taylor …

Rayleigh–Taylor instability with gravity reversal

D Livescu, T Wei, PT Brady - Physica D: nonlinear phenomena, 2021 - Elsevier
We present results from Direct Numerical Simulations (DNS) of Rayleigh–Taylor instability at
Atwood numbers up to 0.9. After the layer width had developed substantially, additional …

Modeling of Rayleigh-Taylor mixing using single-fluid models

IW Kokkinakis, D Drikakis, DL Youngs - Physical Review E, 2019 - APS
Turbulence mixing models of different degree of complexity are investigated for Rayleigh-
Taylor mixing flows with reference to high-resolution implicit large eddy simulations. The …

Non-locality of mean scalar transport in two-dimensional Rayleigh–Taylor instability using the macroscopic forcing method

DLOL Lavacot, J Liu, H Williams… - Journal of Fluid …, 2024 - cambridge.org
The importance of non-locality of mean scalar transport in two-dimensional Rayleigh–Taylor
Instability (RTI) is investigated. The macroscopic forcing method is utilized to measure spatio …

Large-eddy simulation and Reynolds-averaged Navier-Stokes modeling of three Rayleigh-Taylor mixing configurations with gravity reversal

BE Morgan - Physical Review E, 2022 - APS
High-fidelity large-eddy simulation (LES) is performed of Rayleigh-Taylor (RT) mixing in
three different configurations involving gravity reversal. In each configuration, LES results …

Two-length-scale turbulence model for self-similar buoyancy-, shock-, and shear-driven mixing

BE Morgan, O Schilling, TA Hartland - Physical Review E, 2018 - APS
The three-equation kLa turbulence model [B. Morgan and M. Wickett, Three-equation model
for the self-similar growth of Rayleigh-Taylor and Richtmyer-Meshkov instabilities, Phys …

Large-eddy simulation and Reynolds-averaged Navier-Stokes modeling of a reacting Rayleigh-Taylor mixing layer in a spherical geometry

BE Morgan, BJ Olson, WJ Black, JA McFarland - Physical Review E, 2018 - APS
Tenth-order compact difference code Miranda is used to perform large-eddy simulation
(LES) of a hydrogen gas–plastic mixing layer in a spherical geometry. Once the mixing layer …

Mass and momentum transport in the Tilted Rocket Rig experiment

K Ferguson, KM Wang, BE Morgan - Physical Review Fluids, 2023 - APS
High-fidelity large eddy simulations of the inclined Rayleigh-Taylor instability in the Tilted
Rocket Rig experimental configuration [Smeeton and Youngs, AWE Report No. O 35/87 …

Simulation and Reynolds-averaged Navier-Stokes modeling of a three-component Rayleigh-Taylor mixing problem with thermonuclear burn

BE Morgan - Physical Review E, 2022 - APS
Rayleigh-Taylor mixing in the presence of a third component with intermediate density is
investigated through three-dimensional large-eddy simulation (LES) with a high-order …