Perturbation evolution started by Richtmyer-Meshkov instability in planar laser targets
Phys. Plasmas 13, 080703 (2006); doi:10.1063/1.2227272
Published 24 August 2006
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The first observations of the interaction of the Richtmyer-Meshkov (RM) instability with reflected shock and rarefaction waves in laser-driven targets are reported. The RM growth is started by a shock wave incident upon a rippled interface between low-density foam and solid plastic. The subsequent interaction of secondary rarefaction and/or shock waves arriving from the ablation front and the rear surface of the target with the RM-unstable interface stops the perturbation growth and reverses its direction. The ensuing exponential Rayleigh-Taylor growth thus can sometimes proceed with an inverted phase.
©2006 American Institute of Physics
| History: | Received 1 March 2006; accepted 15 June 2006; published 24 August 2006 |
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http://link.aip.org/link/?PHPAEN/13/080703/1 |
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