37 citations · 140 across the 14 of their papers we have counts for
14 papers
Scale-dependent Rayleigh-Taylor dynamics with variable acceleration by group theory approach
Snezhana Abarzhi, Kurt Williams
This work focuses on Rayleigh-Taylor instability (RTI)driven by acceleration with power-law time-dependence. We review the existing theoretical approaches, apply the group theory a…
On interplay of surface tension and inertial stabilization mechanisms in the interface dynamics with interfacial mass flux
D. V. Ilyin, S. I. Abarzhi
This work focuses on the interfacial dynamics with interfacial mass flux in the presence of acceleration and surface tension. We employ the general matrix method to find the fundam…
WWhittle Maximum Likelihood Estimate of spectral properties of Rayleigh-Taylor interfacial mixing using hot-wire anemometry experimental data
David Pfefferlé, Snezhana I Abarzhi
Investigating the power density spectrum of fluctuations in Rayleigh-Taylor (RT) interfacial mixing is a means of studying characteristic length- and time-scales, anisotropies and…
Early- and late-time evolution of Rayleigh-Taylor instability in a finite-sized domain by means of group theory analysisAnnie Naveh
Annie Naveh, Miccal T. Matthews, Snezhana I. Abarzhi
We have developed a theoretical analysis to systematically study the late-time evolution of the Rayleigh-Taylor instability in a finite-sized spatial domain. The nonlinear dynamics…
On the Rayleigh-Taylor unstable dynamics of 3D interfacial coherent structures with time-dependent acceleration
Desmond L. Hill, Aklant K. Bhowmick, Snezhana I. Abarzhi
Rayleigh-Taylor instability (RTI) occurs in a range of industrial and natural processes. Whereas the vast majority of existing studies have considered constant acceleration, RTI is…
Deterministic and stochastic properties of self-similar Rayleigh-Taylor mixing induced by space-varying acceleration
Arun Pandian, Snezhana I. Abarzhi
Rayleigh-Taylor interfacial mixing has critical importance in a broad range of processes in nature and technology. In most instances Rayleigh-Taylor dynamics is induced by variable…
On the fundamentals of Richtmyer-Meshkov dynamics with variable acceleration
Aklant K. Bhowmick, Desmond L. Hill, Miccal Matthews +1
Richtmyer-Meshkov instability (RMI) plays important role in nature and technology, from supernovae and fusion to scramjets and nano-fabrication. Canonical Richtmyer-Meshkov instabi…
On Rayleigh-Taylor interfacial mixing
Evgeny E. Meshkov, Snezhana I. Abarzhi
The Rayleigh-Taylor instability develops when fluids are accelerated counter to their density gradients; intense interfacial fluid mixing ensues with time. The Rayleigh-Taylor mixi…
Stability and flow fields structure for interfacial dynamics with interfacial mass flux
Daniil V. Ilyin, Yasuhide Fukumoto, Sergei I. Anisimov +2
We analyze from a far field the evolution of an interface that separates ideal incompressible fluids of different densities and has an interfacial mass flux. We develop and apply t…
On the fundamentals of Rayleigh-Taylor dynamics with variable acceleration
Aklant K. Bhowmick, Desmond L. Hill, Snezhana I. Abarzhi
Rayleigh-Taylor instability (RTI) has critical importance for a broad range of processes in nature and technology, from supernovae to plasma fusion. In most instances RTI is driven…
Rayleigh-Taylor instability with variable acceleration
Des L. Hill, Aklant K. Bhowmick, Snezhana I. Abarzhi
We consider the long-standing problem of Rayleigh-Taylor instability with variable acceleration, and focus on the early-time dynamics of an interface separating incompressible idea…
Special class of self-similar dynamics for Rayleigh-Taylor mixing with variable acceleration
Snezhana I. Abarzhi
Rayleigh-Taylor (RT) mixing has critical importance for a broad range of process in nature and technology, from supernovae and plasma fusion to oil recovery and nano-fabrication. I…
Tendency of spherically imploding plasma liners formed by merging plasma jets to evolve toward spherical symmetry
J. T. Cassibry, M. Stanic, S. C. Hsu +2
Three dimensional hydrodynamic simulations have been performed using smoothed particle hydrodynamics (SPH) in order to study the effects of discrete jets on the processes of plasma…
Invariants, symmetries and scaling of Rayleigh-Taylor turbulent mixing
Snezhana I. Abarzhi
We extend the ideas of Kolmogorov theory on symmetries of turbulent dynamics to analyze invariants, scaling and spectra of unsteady turbulent mixing induced by the Rayleigh-Taylor…