Recent advances in the turbulent Rayleigh–Taylor instability

G Dimonte, P Ramaprabhu, DL Youngs… - Physics of …, 2005 - pubs.aip.org
In the turbulent Rayleigh–Taylor instability, the light fluid penetrates the heavy fluid as
bubbles with a diameter D b and amplitude hb that grow self-similarly D b∝ hb∼ α b A gt 2 …

A comparative study of the turbulent Rayleigh–Taylor instability using high-resolution three-dimensional numerical simulations: the Alpha-Group collaboration

G Dimonte, DL Youngs, A Dimits, S Weber… - Physics of …, 2004 - pubs.aip.org
The turbulent Rayleigh–Taylor instability is investigated in the limit of strong mode-coupling
using a variety of high-resolution, multimode, three dimensional numerical simulations (NS) …

Dependence of turbulent Rayleigh-Taylor instability on initial perturbations

G Dimonte - Physical Review E, 2004 - APS
The dependency of the self-similar Rayleigh-Taylor bubble acceleration constant α b
(≡[(amplitude)∕ 2]×(displacement)×(Atwood number)) on the initial perturbation amplitude …

Temporal evolution of bubble tip velocity in classical Rayleigh-Taylor instability at arbitrary Atwood numbers

WH Liu, LF Wang, WH Ye, XT He - Physics of Plasmas, 2013 - pubs.aip.org
In this research, the temporal evolution of the bubble tip velocity in Rayleigh-Taylor
instability (RTI) at arbitrary Atwood numbers and different initial perturbation velocities with a …

Dynamic evolution of Rayleigh-Taylor bubbles from sinusoidal, W-shaped, and random perturbations

ZR Zhou, YS Zhang, BL Tian - Physical Review E, 2018 - APS
Implicit large eddy simulations of two-dimensional Rayleigh-Taylor instability at different
density ratios (ie, Atwood number A= 0.05, 0.5, and 0.9) are conducted to investigate the late …

Effects of compressibility and Atwood number on the single-mode Rayleigh-Taylor instability

T Luo, J Wang, C Xie, M Wan, S Chen - Physics of fluids, 2020 - pubs.aip.org
In order to study the effect of compressibility on Rayleigh-Taylor (RT) instability, we
numerically simulated the late-time evolution of two-dimensional single-mode RT instability …

Revisiting the late-time growth of single-mode Rayleigh–Taylor instability and the role of vorticity

X Bian, H Aluie, D Zhao, H Zhang, D Livescu - Physica D: Nonlinear …, 2020 - Elsevier
Growth of the single-fluid single-mode Rayleigh–Taylor instability (RTI) is revisited in 2D and
3D using fully compressible high-resolution simulations. We conduct a systematic analysis …

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

T Wei, D Livescu - Physical Review E, 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 …

Length scale for bubble problem in Rayleigh–Taylor instability

SI Abarzhi - Physics of Fluids, 1999 - pubs.aip.org
In some researches on the bubble problem in the Rayleigh–Taylor instability, the bubble
radius is identified with one-half spatial period. We show that these quantities are distinct …

Evolution of the single-mode Rayleigh-Taylor instability under the influence of time-dependent accelerations

P Ramaprabhu, V Karkhanis, R Banerjee, H Varshochi… - Physical Review E, 2016 - APS
From nonlinear models and direct numerical simulations we report on several findings of
relevance to the single-mode Rayleigh-Taylor (RT) instability driven by time-varying …