Numerical Estimation of Stress Intensity Factors by a Finite Difference Eulerian Method (the HELP Code)

Abstract

A finite difference Eulerian code, HELP, is employed to study the stress enhancement effects in the vicinity of a crack tip in a rectangular plate which is subjected to a sudden uniaxial loading in the plane strain geometry. The results are in excellent agreement with those obtained from other methods. This demonstrates the usefulness and accuracy of the HELP code in simulating dynamic problems of fracture mechanics.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1980
Accession Number
ADA086111

Entities

People

  • J. A. Zukas
  • M. S. Chawla

Tags

Communities of Interest

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

DTIC Thesaurus Topics

  • Computer Programs
  • Crack Propagation
  • Crack Tips
  • Cracks
  • Engineering
  • Equations
  • Explosives
  • Extrapolation
  • Fracture (Mechanics)
  • Geometry
  • Intensity
  • Materials
  • Mechanics
  • Military Research
  • Physics
  • Stress Intensity Factors
  • Two Dimensional

Fields of Study

  • Engineering
  • Physics

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Structural Health Monitoring of Composite Structures.