A Conformal, Fully-Conservative Approach for Predicting Blast Effects on Ground Vehicles

Abstract

A new blast code, Loci/BLAST, has been coupled with the commercial structural dynamics package LS-DYNA to provide a fully-coupled simulation strategy for predicting the effects of blast on a ground vehicle. Loci/BLAST is a fully-conservative, computational fluid dynamics code with the capability to model soil and blast using a multispecies formulation with advanced equations of state. The two-way coupling between Loci/BLAST and LS-DYNA provides a robust mechanism for predicting the blast-induced deformation of structural elements with no topology changes. The efficacy of the resulting software is demonstrated by comparisons of predicted deformations for a constrained plate with experimental data. Results are also presented for a notional hull subjected to the effects of detonation of a buried IED.

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Document Details

Document Type
Technical Report
Publication Date
Feb 09, 2014
Accession Number
ADA604623

Entities

People

  • David Thompson
  • E. Luke
  • J Kang
  • J. M. Janus
  • P. Ivancic
  • R. Weed

Organizations

  • Mississippi State University

Tags

Communities of Interest

  • Counter IED
  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Blast
  • Blast Loads
  • Computational Fluid Dynamics
  • Detonations
  • Equations
  • Equations Of State
  • Experimental Data
  • Explosions
  • Explosive Devices
  • Explosives
  • Flow
  • Fluid Flow
  • Materials
  • Reliability
  • Simulations
  • Three Dimensional
  • Vehicles

Readers

  • Computational Fluid Dynamics (CFD)
  • Explosive Engineering.