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Application of a soil model in the numerical analysis of landmine interaction with protective structures

  • Saleh, M
  • Edwards, L
Publication Date
Jan 01, 2011
ANSTO Publications Online
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Blast analysis using numerical techniques has become increasingly relevant to anticipate the material response of protective structures. Improvised explosive devices and land mines pose a significant threat to the occupants of armoured vehicles, it’s therefore important to increase the accuracy of the numerical analysis by incorporating more sophisticated material models whilst maintaining mathematical tractability. The current research employs an Arbitrary Lagrangian Eulerian (ALE) numerical technique in the hydrocode LS-DYNA for the analysis of the blast event. Further, incorporation of a soil model was carried out for the analysis of a TNT mine blast on a mild steel plate. The primary goals of the research are the implementation of an appropriate soil model and the use of multi-physics finite element analysis to model fluid structure interaction. The agreement with experimental result is very good and the methodology employed captured some important aspects of the blast-structure interaction.

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