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Related papers: Richtmyer-Meshkov Instability of a Liquid-Gas Inte…

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In the present paper, an efficient method to generate "pure" cylindrically converging shock wave without a following contact surface is proposed firstly. Then, the Richtmyer-Meshkov instabilities of two interfaces driven by the generated…

Fluid Dynamics · Physics 2021-02-09 Wei-Gang Zeng , Yu-Xin Ren , Jianhua Pan

The Richtmyer-Meshkov instability (RMI) occurs when a shock wave passes through an interface between fluids of different densities, a phenomenon prevalent in a variety of scenarios including supersonic combustion, supernovae, and inertial…

Fluid Dynamics · Physics 2024-04-15 Usman Rana , Thomas Abadie , David Chapman , Nathan Joiner , Omar Matar

We investigate the shock-induced turbulent mixing between a light and heavy gas, where a Richtmyer-Meshkov instability (RMI) is initiated by a $\Ma = 1.5$ shock wave. The prescribed initial conditions define a deterministic multimode…

Fluid Dynamics · Physics 2015-06-18 V. K. Tritschler , B. J. Olson , S. K. Lele , S. Hickel , X. Y. Hu , N. A. Adams

The motion of unstable fluid interface due to Richtmyer - Meshkov (RM) instability incorporating with density variation has been studied in a spherical target using Lagrangian formulation. During the compression in Inertial Confinement…

Plasma Physics · Physics 2011-09-27 Labakanta Mandal , Sourav Roy , Rahul Banerjee , Manoranjan Khan , M. R. Gupta

The ability to control the behavior of fluid instabilities at material interfaces, such as the shock-driven Richtmyer--Meshkov instability, is a grand technological challenge with a broad number of applications ranging from inertial…

We study the 3D topology of Rayleigh-Taylor (RT) and Richtmyer-Meshkov (RM) single-modes, which includes bubbles, jets and saddle points. We present an analytic description of the interface as a whole, for arbitrary time-dependant…

Fluid Dynamics · Physics 2007-05-23 N. A. Inogamov , M. Tricottet , A. M. Oparin , S. Bouquet

We provide numerical evidence that the Richtmyer-Meshkov (RM) instability contributes to the cooling of a relativistic fluid. Due to the presence of jet particles traveling throughout the medium, shock waves are generated in the form of…

Fluid Dynamics · Physics 2015-07-29 F. Mohseni , M. Mendoza , S. Succi , H. J. Herrmann

The Richtmyer-Meshkov instability (RMI) refers to the baroclinic generation of vorticity at a perturbed density interface when impacted by a shock wave. It is often thought of as the impulsive limit of the Rayleigh-Taylor instability (RTI).…

Fluid Dynamics · Physics 2015-05-14 Manuel Lombardini , Ralf Deiterding

The two-fluid (ions and electrons) plasma Richtmyer-Meshkov instability of a cylindrical light/heavy density interface is numerically investigated without an initial magnetic field. Varying the Debye length scale, we examine the effects of…

Plasma Physics · Physics 2020-11-25 Y. Li , R. Samtaney , D. Bond , V. Wheatley

We investigate the linear evolution of Richtmyer-Meshkov (RM) instability in the framework of an ideal two-fluid plasma model. The two-fluid plasma equations of motion are separated into a base state and a set of linearized equations…

Plasma Physics · Physics 2022-03-14 Yuan Li , Abeer Bakhsh , Ravi Samtaney

The Richtmyer-Meshkov (RM) instability occurs when a perturbed interface between two fluids undergoes impulsive acceleration due to a shock wave. In this paper, a numerical investigation of the RM instability during the reshock process is…

Fluid Dynamics · Physics 2025-02-25 Huilin Lai , Chuandong Lin , Demei Li , Tao Yang , Yanbiao Gan , Lingyan Lian , Aiguo Xu

Turbulent mixing due to hydrodynamic instabilities occurs in a wide range of science and engineering applications such as supernova explosions and inertial confinement fusion. The experimental, theoretical and numerical studies help us to…

Numerical Analysis · Mathematics 2022-07-26 Tulin Kaman , Ryan Holley

The classical Richtmyer-Meshkov instability is a hydrodynamic instability characterizing the evolution of an interface following shock loading. In contrast to other hydrodynamic instabilities such as Rayleigh-Taylor, it is known for being…

The mixing of materials due to the Richtmyer-Meshkov instability and the ensuing turbulent behavior is of intense interest in a variety of physical systems including inertial confinement fusion, combustion, and the final stages of stellar…

Fluid Dynamics · Physics 2015-06-29 Nicholas J. Nelson , Fernando F. Grinstein

Richtmyer-Meshkov instability (RMI) plays an important role in many areas of science and engineering, from supernovae and fusion to scramjets and nano-fabrication. Classical Richtmyer-Meshkov instability is induced by a steady shock and…

Fluid Dynamics · Physics 2020-07-15 Desmond Hill , Snezhana Abarzhi

Linear stability of a current sheet that is subject to an impulsive acceleration due to a shock passage is studied with the effect of guide magnetic field. We find that the current sheet embedded in relativistically magnetized plasma always…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Tsuyoshi Inoue

The Richtmyer-Meshkov instability (RMI) poses a major challenge in inertial confinement fusion (ICF) due to its role in mixing and performance degradation. We report the first experimental observation of passive freeze-out of RMI in a…

We have investigated the effects of a smooth transition layer at the contact discontinuity on the growth of the Richtmyer-Meshkov instability (RMI) by hydrodynamic numerical simulations and derived an empirical condition for the suppression…

Plasma Physics · Physics 2020-07-15 Takayoshi Sano , Kazuki Ishigure , Fransisco Cobos-Campos

The Richtmyer-Meshkov (RM) instability has long been an interesting subject due to its fundamental significance in scientific research, as well as its crucial role in engineering applications. In this study, the contribution of shock Mach…

Fluid Dynamics · Physics 2021-10-13 Satyvir Singh

The mean momentum and heavy mass fraction, turbulent kinetic energy, and heavy mass fraction variance fields, as well as the budgets of their transport equations, are examined at several times during the evolution of a narrowband…

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