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Elastoplastic effects on the Rayleigh-Taylor instability in an accelerated solid slab

Published online by Cambridge University Press:  21 December 2004

J. J. López Cela ,
A. R. Piriz ,
M. Temporal ,
N. A. Tahir  and
M. C. Serna Moreno
J. J. López Cela
Affiliation:
E. T. S. I. Industriales, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
A. R. Piriz*
Affiliation:
E. T. S. I. Industriales, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
M. Temporal
Affiliation:
E. T. S. I. Industriales, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
N. A. Tahir
Affiliation:
Institut für Theoretische Physik, Universität Frankfurt, Postfach 11 19 32, 60054 Frankfurt, Germany
M. C. Serna Moreno
Affiliation:
E. T. S. I. Industriales, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
*
roberto.piriz@uclm.es
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Abstract

The instability of an accelerated solid slab with elastoplastic properties is analysed by means of numerical simulations. The study is performed in the framework of experiments to be carried out at the future synchrotron facility SIS100 at the Gesellschaft fűr Schwerionenforschung (GSI), Darmstadt, which consider the implosion of a heavy pusher layer driven by the expansion of a material heated by an intense beam of heavy ions. We have found that for the megabar pressures involved in these experiments, the solid pusher may retain elastoplastic properties that are beneficial for the stabilization of the shortest perturbation wavelengths.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 29 , Issue 3 , March 2005 , pp. 247 - 252
Copyright
© EDP Sciences, 2005

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