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原文連結
論文資訊
- 類型：已發表論文
- 日期：2018-03-01
摘要
We derive a model describing vorticity deposition on a high-Atwood number interface with a sinusoidal perturbation by an oblique shock propagating from a heavy into a light material. Limiting cases of the model result in vorticity distributions that lead to Richtmyer-Meshkov and Kelvin-Helmholtz instability growth. For certain combinations of perturbation amplitude, wavelength, and tilt of the shock, a regime is found in which discrete, co-aligned, vortices are deposited on the interface. The subsequent interface 演化 is described by a discrete vortex model, which is found to agree well with both RAGE simulations and experiments at early times.
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