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Abstract <p>In this paper, the authors investigate several empirical models numerically implemented in the Lagrangian–Eulerian MIMOSA technique and designed to describe the stage of instability development, namely, the Richtmyer–Meshkov and Rayleigh–Taylor instabilities. The paper describes the models and presents the results of simulations of laboratory experiments on the growth of the amplitude of sinusoidal perturbations at the air–SF<sub>6</sub> contact interface driven by a shock traveling from a light material (air) into a heavy one (SF<sub>6</sub>).</p>

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Numerical Analysis of the Accuracy of Models Designed to Calculate the Growth of Single-Mode Disturbances

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • I. Y. Bobrovskaya,
  • D. I. Bobrovsky,
  • Yu. A. Stepanova

摘要

Abstract

In this paper, the authors investigate several empirical models numerically implemented in the Lagrangian–Eulerian MIMOSA technique and designed to describe the stage of instability development, namely, the Richtmyer–Meshkov and Rayleigh–Taylor instabilities. The paper describes the models and presents the results of simulations of laboratory experiments on the growth of the amplitude of sinusoidal perturbations at the air–SF6 contact interface driven by a shock traveling from a light material (air) into a heavy one (SF6).