Development of Sharp Discontinuity Tracking Methods for Explosion Problems,

Abstract

This report summarizes the development of a new numerical method called sharp discontinuity tracking for predicting the flow field arising in explosive blast problems. This method uses standard finite difference techniques for smooth regions of the flow, but treats physically important shocks and contact discontinuities as explicit surfaces (internal boundaries) which remain sharp (not smeared) as the computation progresses. The method is applied to explosion problems in one space dimension (spherical symmetry) and two space dimensions (axial symmetry). (Author)

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Document Details

Document Type
Technical Report
Publication Date
Nov 03, 1978
Accession Number
ADA068080

Entities

People

  • Gregory R. Shubin

Organizations

  • Naval Ordnance Laboratory

Tags

Communities of Interest

  • C4I
  • Counter IED
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Computational Fluid Dynamics
  • Computational Science
  • Computations
  • Difference Equations
  • Differential Equations
  • Equations
  • Equations Of State
  • Explosions
  • Explosive Gases
  • Explosives
  • Flow Fields
  • Fluid Dynamics
  • Fluid Mechanics
  • Materials
  • Materials Science
  • Partial Differential Equations
  • Research Facilities

Readers

  • Calculus or Mathematical Analysis
  • Explosive Engineering.
  • Fluid Mechanics and Fluid Dynamics.

Technology Areas

  • Space