Dynamic Response and Failure Analysis of Aluminum Cylinders Subjected to Underwater Explosion

Abstract

An underwater explosion test was conducted on two closed aluminum cylinders to provide physical results from a dynamic collapse. Axial and side-on attack geometries were investigated in this study. Both cylinders displayed numerous fractures and significant plastic deformation. Finite element models of the cylinders were developed to aid in physical understanding of the dynamic response. Sensitivity analyses of the model parameters were conducted to determine the optimum modeling method. A computer model with failure prediction capability was utilized to investigate the dynamic failure mechanism. Underwater shock.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1992
Accession Number
ADA256721

Entities

People

  • Kurt W. Nelson

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Air Platforms
  • C4I
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Computational Fluid Dynamics
  • Computational Science
  • Dynamic Response
  • Engineering
  • Equations
  • Explosive Charges
  • Explosives
  • Failure Analysis
  • Geometry
  • Materials
  • Mechanical Engineering
  • Mechanics
  • Numerical Analysis
  • Plastic Deformation
  • Shock Waves
  • Sites
  • Three Dimensional

Fields of Study

  • Engineering

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Structural Dynamics.
  • Structural Health Monitoring of Composite Structures.