Effect of shock proximity on Richtmyer–Meshkov growth

Experiments conducted on the Omega laser [T. R. Boehly et al., Opt. Commun. 133, 495 (1997)] and simulations show reduced Richtmyer–Meshkov growth rates in a strongly shocked system with initial amplitudes kη 0 ⩽0.9. The growth rate at early time is less than half the impulsive model prediction, ris...

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Published in:Physics of Plasmas 2003-05, Vol.10 (5), p.1931-1936
Main Authors: Glendinning, S. G., Bolstad, J., Braun, D. G., Edwards, M. J., Hsing, W. W., Lasinski, B. F., Louis, H., Miles, A., Moreno, J., Peyser, T. A., Remington, B. A., Robey, H. F., Turano, E. J., Verdon, C. P., Zhou, Y.
Format: Article
Language:English
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Summary:Experiments conducted on the Omega laser [T. R. Boehly et al., Opt. Commun. 133, 495 (1997)] and simulations show reduced Richtmyer–Meshkov growth rates in a strongly shocked system with initial amplitudes kη 0 ⩽0.9. The growth rate at early time is less than half the impulsive model prediction, rising at later time to near the impulsive prediction. An analytical model that accounts for shock proximity agrees with the results.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.1562165