Spike morphology in blast-wave-driven instability experiments

CC Kuranz, RP Drake, MJ Grosskopf, B Fryxell… - Physics of …, 2010 - pubs.aip.org
The laboratory experiments described in the present paper observe the blast-wave-driven
Rayleigh–Taylor instability with three-dimensional (3D) initial conditions. About 5 kJ of …

Non-spherical core collapse supernovae-III. Evolution towards homology and dependence on the numerical resolution

A Gawryszczak, J Guzman, T Plewa… - Astronomy & …, 2010 - aanda.org
Aims. We study the hydrodynamic evolution of a non-spherical core-collapse supernova in
two spatial dimensions. We begin our study from the moment of shock revival–taking into …

Long-time simulations of the Kelvin-Helmholtz instability using an adaptive vortex method

SI Sohn, D Yoon, W Hwang - Physical Review E—Statistical, Nonlinear, and …, 2010 - APS
The nonlinear evolution of an interface subject to a parallel shear flow is studied by the
vortex sheet model. We perform long-time computations for the vortex sheet in density …

Motion of a current-vortex sheet in the magnetic Kelvin-Helmholtz instability

S Baek, SI Sohn - Physical Review E, 2023 - APS
In this paper, we consider the Kelvin-Helmholtz instability in the magnetohydrodynamic flow.
The motion of the interface is described by a current-vortex sheet. We examine the linear …

Non-spherical core-collapse supernovae: evolution towards homologous expansion

J Guzman, T Plewa - Nonlinearity, 2009 - iopscience.iop.org
We study the hydrodynamic evolution of a non-spherical core-collapse supernova in
multidimensions. We begin our study from the moment of shock revival and continue for the …

基于FTM 方法的二维Kelvin-Helmholtz 不稳定性数值模拟Numerical simulation of two-dimensional Kelvin-Helmholtz instabilities using a front tracking method

尚文强, 张莹, 陈昭奇, 袁志平, 董博恒 - 计算力学学报, 2018 - pubs.cstam.org.cn
使用界面跟踪法FTM (Front Tracking Method) 对二维不混溶, 不可压缩流体的KH (Kelvin-
Helmholtz) 不稳定性进行数值模拟. 研究表明, 速度梯度层越厚, 界面在水平分量中移动越快 …

Late-time vortex dynamics of Rayleigh–Taylor instability

SI Sohn - Journal of the Physical Society of Japan, 2011 - journals.jps.jp
We investigate late-time dynamics of the Rayleigh–Taylor instability, from long-time
computations using an adaptive vortex method. The vortex method successfully simulates …

Numerical simulation of bubble cluster induced flow by three-dimensional vortex-in-cell method

B Chen, Z Wang, T Uchiyama - Journal of Fluids …, 2014 - asmedigitalcollection.asme.org
The behavior of air bubble clusters rising in water and the induced flow field are numerically
studied using a three-dimensional two-way coupling algorithm based on a vortex-in-cell …

[图书][B] Vortex motion and stability with density variation, buoyancy and surface tension

C Chang - 2020 - search.proquest.com
The motion of buoyant vortices is studied using reduced-order models. For a vortex filament,
ie a curve in three-dimensional space along which vorticity is concentrated as a delta …

Axisymmetric contour dynamics for buoyant vortex rings

C Chang, SGL Smith - Journal of Fluid Mechanics, 2020 - cambridge.org
The present work uses a reduced-order model to study the motion of a buoyant vortex ring
with non-negligible core size. Buoyancy is considered in both non-Boussinesq and …