Computer Simulation of Scaled MARK 84 Bomb Impact into Concrete

Abstract

This report presents the results of three-dimensional finite element analyses of a scaled (1/15) MK84 bomb impacting thick concrete targets at large obliquities. Two bomb structures were modeled, one of solid steel and another with an 0.2cm steel wall, the cavity being filled with an inert simulant to represent the explosive tritonal. The analysis covers the latter one. The computations were performed with EPIC-3, a three-dimensional finite element program for the study of wave propagation and impact in homogeneous isotropic and anisotropic materials, as well as concrete. The critical impact angle for delineating penetration and ricochet is determined as a function of bomb structure and obliquity. These prove to be in close agreement with experimental results. Some comments on computational approaches for rapid, cost-effective numerical studies of such situations conclude the paper.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1983
Accession Number
ADA136645

Entities

People

  • George H. Jonas
  • Jonas A. Zukas
  • Kent D. Kimsey

Organizations

  • Ballistic Research Laboratory

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Angular Acceleration
  • Axial Loads
  • Civil Engineering
  • Computer Simulations
  • Concrete
  • Engineering
  • Jet Propulsion
  • Materials
  • Mechanics
  • Military Research
  • Navy
  • Shear Stresses
  • Simulations
  • Thin Walls
  • Three Dimensional
  • Walls
  • Wave Propagation

Readers

  • Computational Fluid Dynamics (CFD)
  • Explosive Engineering.
  • Systems Analysis and Design