The influences of acceleration on compressible Rayleigh–Taylor instability with non-equilibrium effects

H Lai, C Lin, Y Gan, D Li, L Chen - Computers & Fluids, 2023 - Elsevier
Rayleigh–Taylor (RT) instability is a classical interface instability of great importance in
nature and engineering fields. In this paper, the influences of acceleration on the …

Specific heat ratio effects of compressible Rayleigh—Taylor instability studied by discrete Boltzmann method

L Chen, H Lai, C Lin, D Li - Frontiers of Physics, 2021 - Springer
Rayleigh-Taylor (RT) instability widely exists in nature and engineering fields. How to better
understand the physical mechanism of RT instability is of great theoretical significance and …

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 …

[HTML][HTML] Knudsen number effects on two-dimensional Rayleigh–Taylor instability in compressible fluid: Based on a discrete Boltzmann method

H Ye, H Lai, D Li, Y Gan, C Lin, L Chen, A Xu - Entropy, 2020 - mdpi.com
Based on the framework of our previous work [HL Lai et al., Phys. Rev. E, 94, 023106
(2016)], we continue to study the effects of Knudsen number on two-dimensional Rayleigh …

Nonequilibrium thermohydrodynamic effects on the Rayleigh-Taylor instability in compressible flows

H Lai, A Xu, G Zhang, Y Gan, Y Ying, S Succi - Physical Review E, 2016 - APS
The effects of compressibility on Rayleigh-Taylor instability (RTI) are investigated by
inspecting the interplay between thermodynamic and hydrodynamic nonequilibrium …

Discrete Boltzmann modeling of Rayleigh-Taylor instability: Effects of interfacial tension, viscosity, and heat conductivity

J Chen, A Xu, D Chen, Y Zhang, Z Chen - Physical Review E, 2022 - APS
Abstract The two-dimensional Rayleigh-Taylor instability (RTI) in compressible flow with
intermolecular interactions is probed via the discrete Boltzmann method. The effects of …

Group theory analysis of early-time scale-dependent dynamics of the Rayleigh-Taylor instability with time varying acceleration

DL Hill, AK Bhowmick, DV Ilyin, SI Abarzhi - Physical Review Fluids, 2019 - APS
We consider the long-standing problem of Rayleigh-Taylor instability with variable
acceleration, and focus on the early-time scale-dependent dynamics of an interface …

Collaboration and competition between Richtmyer-Meshkov instability and Rayleigh-Taylor instability

F Chen, A Xu, G Zhang - Physics of fluids, 2018 - pubs.aip.org
The two-dimensional Richtmyer-Meshkov Instability (RMI) system and the coexisting system
combined with Rayleigh-Taylor Instability (RTI) are simulated with a multiple-relaxation time …

Effects of the initial perturbations on the Rayleigh—Taylor—Kelvin—Helmholtz instability system

F Chen, A Xu, Y Zhang, Y Gan, B Liu, S Wang - Frontiers of Physics, 2022 - Springer
The effects of initial perturbations on the Rayleigh—Taylor instability (RTI), Kelvin—
Helmholtz instability (KHI), and the coupled Rayleigh—Taylor—Kelvin—Helmholtz instability …

A validation study of the compressible Rayleigh–Taylor instability comparing the ARES and MIRANDA codes

TJ Rehagen, JA Greenough… - Journal of Fluids …, 2017 - asmedigitalcollection.asme.org
The compressible Rayleigh–Taylor (RT) instability is studied by performing a suite of large
eddy simulations (LES) using the Miranda and Ares codes. A grid convergence study is …