Rayleigh–Taylor and Richtmyer–Meshkov instabilities: a journey through scales

Y Zhou, RJR Williams, P Ramaprabhu, M Groom… - Physica D: Nonlinear …, 2021 - Elsevier
Hydrodynamic instabilities such as Rayleigh–Taylor (RT) and Richtmyer–Meshkov (RM)
instabilities usually appear in conjunction with the Kelvin–Helmholtz (KH) instability and are …

A broad study of tantalum strength from ambient to extreme conditions

MB Prime, A Arsenlis, RA Austin, NR Barton… - Acta Materialia, 2022 - Elsevier
By combining experiments and modeling from three US national laboratories, we explore
compressive strength in a well-characterized material, tantalum, across pressures from zero …

[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 …

Effect of chemical reaction on mixing transition and turbulent statistics of cylindrical Richtmyer–Meshkov instability

Z Yan, Y Fu, L Wang, C Yu, X Li - Journal of Fluid Mechanics, 2022 - cambridge.org
Direct numerical simulations of a three-dimensional cylindrical Richtmyer–Meshkov
instability with and without chemical reactions are carried out to explore the chemical …

Simultaneous measurements of kinetic and scalar energy spectrum time evolution in the Richtmyer–Meshkov instability upon reshock

CD Noble, AM Ames, R McConnell, J Oakley… - Journal of Fluid …, 2023 - cambridge.org
The Richtmyer–Meshkov instability (Richtmyer, Commun. Pure Appl. Maths, vol. 13, issue 2,
1960, pp. 297–319; Meshkov, Fluid Dyn., vol. 4, issue 5, 1972, pp. 101–104) of a twice …

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 …

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 …

Hydrodynamic instabilities of a dual-mode air–SF6 interface induced by a cylindrically convergent shock

Y Liang, L Liu, X Luo, CY Wen - Journal of Fluid Mechanics, 2023 - cambridge.org
Shock-tube experiments are performed on the convergent Richtmyer–Meshkov (RM)
instability of a multimode interface. The temporal growth of each Fourier mode perturbation …

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 …

The Richtmyer–Meshkov instability of thermal, isotope and species interfaces in a five-moment multi-fluid plasma

KC Tapinou, V Wheatley, D Bond… - Journal of Fluid …, 2022 - cambridge.org
The Richtmyer–Meshkov instability (RMI) results from the impulsive acceleration of a density
interface where either it or the acceleration is perturbed. Density interfaces may arise due to …