Abstract
The Richtmyer-Meshkov instability (RMI) occurs when an initially perturbed density interface between two different fluids is impulsively accelerated [1, 2]. As a planar incident shock impacts a perturbed interface, the interface is accelerated and compressed at the initial stage, baroclinic vorticity is generated due to the misalignment between the pressure gradient across the shock and density gradient at the interface. The perturbation of the interface is expected to grow linearly with time in the early stage, while in the late stage, the growth of the perturbation amplitude becomes nonlinear with spikes and bubbles of the interface evolving asymmetrically, as well as the emergence of Kelvin-Helmholtz instabilities. The RMI has been attractive during the past decades to researchers owing to its significant applications in the fields such as inertial confinement fusion [3], supernova explosions [4], and supersonic combustion [5].
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Guan, B., Luo, X. (2017). On the Richtmyer-Meshkov Instability of a Three-Dimensional Single-Mode Interface: Effect of Initial Interfacial Principal Curvatures. In: Ben-Dor, G., Sadot, O., Igra, O. (eds) 30th International Symposium on Shock Waves 2. Springer, Cham. https://doi.org/10.1007/978-3-319-44866-4_55
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DOI: https://doi.org/10.1007/978-3-319-44866-4_55
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