Rayleigh–Taylor and RichtmyerMeshkov 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 RichtmyerMeshkov (RM) …
They frequently result in turbulent mixing, which has a major impact on the overall flow …

A unified model to study the effects of elasticity, viscosity, and magnetic fields on linear RichtmyerMeshkov instability

YB Sun, C Wang, AR Piriz - Journal of Applied Physics, 2020 - pubs.aip.org
… However, to understand their unique effects on the evolution of the amplitudes, we will
analyze the effects of elasticity, viscosity, and magnetic fields on RM instability separately. …

Contribution of viscosity to the circulation deposition in the RichtmyerMeshkov instability

HC Liu, B Yu, H Chen, B Zhang, H Xu… - Journal of Fluid …, 2020 - cambridge.org
… Thus, the velocity class inherently involves the effects of the baroclinicity and viscosity (without
distinguishing them) in the circulation deposition. The circulation in the velocity class can …

Viscous Rayleigh-Taylor and Richtmyer-Meshkov instabilities in the presence of a horizontal magnetic field

YB Sun, C Wang - Physical Review E, 2020 - APS
… The aim of this paper is to present a combined mechanism for the effects of plasma viscosity
and horizontal magnetic field to study the asymptotic behavior of the instability. We will first …

[HTML][HTML] RichtmyerMeshkov instability at high Mach number: Non-Newtonian effects

U Rana, T Abadie, D Chapman, N Joiner, OK Matar - Physics of Fluids, 2024 - pubs.aip.org
… Our findings indicate that the shear-thinning effects have a significant impact on instability
… that these effects influence vorticity generation and damping, which, in turn, affect the RMI …

The effect of liquid tamping media on the growth of RichtmyerMeshkov instability in copper

JD Olles, MC Hudspeth, CF Tilger, TJ Vogler - Journal of Dynamic …, 2021 - Springer
… The RichtmyerMeshkov instability (RMI) arises at an impulsively accelerated interface … to
approximate the viscosity from a transient 1-D analytic approximation. The viscosity is found to …

Microscopic RichtmyerMeshkov instability under strong shock

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

Elastic Rayleigh–Taylor and RichtmyerMeshkov instabilities in spherical geometry

YB Sun, RH Zeng, JJ Tao - Physics of Fluids, 2020 - pubs.aip.org
… In those cases, both the geometrical effects and viscosity will affect the interface dynamics,
especially the low mode perturbations possess unique characteristics at liquid/vacuum and …

Vortex morphology in RichtmyerMeshkov-induced turbulent mixing

IW Kokkinakis, D Drikakis, DL Youngs - Physica D: Nonlinear Phenomena, 2020 - Elsevier
This study investigates the vortical structures that form and develop during the turbulent
mixing induced by the RichtmyerMeshkov instability (RMI). By using high-resolution implicit …

Contribution of Mach number to the evolution of the Richtmyer-Meshkov instability induced by a shock-accelerated square light bubble

S Singh - Physical Review Fluids, 2021 - APS
impact of bulk viscosity on the flow morphology of a shock-accelerated cylindrical light bubble.
It was observed that the bulk viscosity … Battiato, and RS Myong, Impact of the bulk viscosity