Molecular dynamics study of shock wave generation by cluster impact on solid targets

Z. Insepov, I. Yamada

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Abstract

The generation of shock waves by energetic gas cluster impact on a solid surface was studied by use of two-dimensional (2D) molecular dynamics. The collisions of Arn (n ∼ 200-350) clusters with the target of 40 000 atoms were modeled. The atomic scale shock waves arising from cluster impact have been obtained by calculating the pressure, temperature and mass-velocity of the target atoms. The asymptotic time dependence of distances travelled by a shock wave front is well described by a power law R ∼ tα, with a constant α = 0.6 for cluster energies between 17 and 85 eV per atom.

Original languageEnglish
Pages (from-to)16-22
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume112
Issue number1-4
DOIs
Publication statusPublished - May 1996

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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