A CFD Computer Simulation for Modelling Large-Scale Blast Propagation (FBINBLAST)

Abstract

This report describes a large-scale medium-resolution computer simulation of blast propagation inside a structure with many compartments, following the explosion of a conventional warhead inside one of the compartments. The simulation is an extension of the quasi-static blast-propagation simulation INBLAST, which is part of the General Vulnerability Assessment Model. In contrast with the 1-D or 0-D former INBLAST, the new simulation uses a 3-D third order CFD scheme to simulate the propagation of the explosion products from compartment to compartment and is able to model the shock wave in addition to the quasi-static pressure. The rupture pressures and the systems' vulnerability are computed in a way that is similar to what was done in the former version. Refinements in the modelling of panel response and rupture have been added in order to better utilize the more precise loading characterization of the new CFD algorithm.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1997
Accession Number
ADA637713

Entities

People

  • C. Fortier
  • F. Beaumont

Organizations

  • DRDC Valcartier

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Computational Fluid Dynamics
  • Computer Simulations
  • Contractors
  • Engineering
  • Explosions
  • Frequency
  • Materials
  • Overpressure
  • Probability Distributions
  • Safety Factor
  • Ships
  • Shock Waves
  • Static Pressure
  • Thickness
  • Three Dimensional
  • User Manuals
  • Vehicles

Fields of Study

  • Engineering

Readers

  • Computational Fluid Dynamics (CFD)
  • Explosive Engineering.