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

Z. Insepov, I. Yamada

Research output: Contribution to journalArticle

76 Citations (Scopus)

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
Publication statusPublished - May 1996
Externally publishedYes

Fingerprint

wave generation
Shock waves
Molecular dynamics
shock waves
molecular dynamics
Atoms
atoms
wave fronts
solid surfaces
time dependence
Gases
collisions
gases
Temperature
temperature
energy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

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AB - 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.

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