Single-and dual-mode Rayleigh–Taylor instability at microscopic scale

J Ding, P Sun, S Huang, X Luo - Physics of Fluids, 2021 - pubs.aip.org
The microscopic Rayleigh–Taylor instability (RTI) is studied via molecular dynamics (MD)
simulation for single-and dual-mode interfaces under a strong acceleration. The growth …

Late-time quadratic growth in single-mode Rayleigh-Taylor instability

T Wei, D Livescu - Physical Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
The growth of the two-dimensional single-mode Rayleigh-Taylor instability (RTI) at low
Atwood number (A= 0.04) is investigated using Direct Numerical Simulations. The main …

Lagrangian investigation of the interface dynamics in single-mode Rayleigh–Taylor instability

D Zhao, L Xiao, H Aluie, P Wei, C Lin - Physics of Fluids, 2023 - pubs.aip.org
We apply Lagrangian particle tracking to the two-dimensional single-mode Rayleigh–Taylor
(RT) instability to study the dynamical evolution of fluid interface. At the onset of the …

Direct numerical simulations of multi-mode immiscible Rayleigh-Taylor instability with high Reynolds numbers

H Liang, X Hu, X Huang, J Xu - Physics of Fluids, 2019 - pubs.aip.org
In this paper, we conduct the high-resolution direct numerical simulations of multimode
immiscible Rayleigh-Taylor instability (RTI) with a low Atwood number (A t= 0.1) using an …

Bell–Plesset effects on Rayleigh–Taylor instability at cylindrically divergent interfaces between viscous fluids

Z Wang, K Xue, P Han - Physics of Fluids, 2021 - pubs.aip.org
We report the first experiments on divergent Rayleigh–Taylor instability (RTI) at well-
controlled single-mode cylindrical interfaces between air and viscous liquid. At early stages …

Role of non-zero bulk viscosity in three-dimensional Rayleigh-Taylor instability: Beyond Stokes' hypothesis

A Sengupta, RJ Samuel, P Sundaram, TK Sengupta - Computers & Fluids, 2021 - Elsevier
Three-dimensional direct numerical simulations (DNS) of Rayleigh-Taylor instability (RTI) at
the interface of two masses of air with a sharp temperature gradient of 149 K are performed …

[HTML][HTML] Direct numerical simulations of incompressible Rayleigh–Taylor instabilities at low and medium Atwood numbers

A Hamzehloo, P Bartholomew, S Laizet - Physics of Fluids, 2021 - pubs.aip.org
Direct numerical simulations of two-dimensional (2D) and three-dimensional (3D), single-
mode and multi-mode, incompressible immiscible Rayleigh–Taylor (RT) instabilities are …

Experimental investigation of three-dimensional Rayleigh–Taylor instability of a gaseous interface

Y Liang, A Alkindi, K Alzeyoudi, L Liu, M Ali… - Journal of Fluid …, 2024 - cambridge.org
Validating the theoretical work on Rayleigh–Taylor instability (RTI) through experiments with
an exceptionally clean and well-characterized initial condition has been a long-standing …

Rayleigh–Taylor instability under multi-mode perturbation: Discrete Boltzmann modeling with tracers

H Li, A Xu, G Zhang, Y Shan - Communications in Theoretical …, 2022 - iopscience.iop.org
Abstract The two-dimensional Rayleigh–Taylor Instability (RTI) under multi-mode
perturbation in compressible flow is probed via the Discrete Boltzmann Modeling (DBM) with …

Effects of variable deceleration periods on Rayleigh-Taylor instability with acceleration reversals

D Aslangil, AGW Lawrie, A Banerjee - Physical Review E, 2022 - APS
The dynamics of an interfacial flow that is initially Rayleigh-Taylor unstable but becomes
statically stable for some intermediate period due to the reversal of the externally imposed …