Determining Crack Tip Field Parameters for Elastic-Plastic Materials via an Estimation Scheme

Abstract

This report reviews the theoretical basis of an estimation scheme which appeared in the literature. A computer program was written for estimating the elastic-plastic fracture mechanics parameters for five different crack geometries. The parameters evaluated are J-integral, load-line displacement, and crack mouth opening displacement. Included in the report are the program listing and an example of an input and output.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1981
Accession Number
ADA108267

Entities

People

  • J. P. Gallagher
  • Tusit Weerasooriya

Organizations

  • University of Dayton

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aeronautical Laboratories
  • Air Force
  • Computer Programs
  • Crack Tips
  • Diagrams
  • Equations
  • Fracture (Mechanics)
  • Geometry
  • Interpolation
  • J Integrals
  • Materials Laboratories
  • Mechanics
  • Modulus Of Elasticity
  • Plastic Explosives
  • Strain Hardening
  • Two Dimensional
  • Yield Strength

Fields of Study

  • Engineering

Readers

  • Instructional Design and Training Evaluation.
  • Materials Science (Mechanical Engineering).
  • Radio communications and signal processing.