Dynamic Fracture Analysis: a Translating - Singularity Finite Element Procedure.

Abstract

In this paper an efficient finite element method, which accounts for the translating singularities near the tip of a dynamically propagating crack, is presented. Two aspects of analyses of dynamic fracture, namely, (1) determination of dynamic stress-intensity factors from given crack velocity history; and (2) determination of crack-velocity history (and arrest) from given dynamic-fracture-toughness versus crack-velocity data are considered. Results are presented and discussed for wedge-loaded rectangular, as well as tapered, double-centilever beam specimens. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1980
Accession Number
ADA087226

Entities

People

  • Satya N. Atluri
  • T. Nishioka

Organizations

  • Georgia Tech

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Applied Mechanics
  • Boundary Value Problems
  • Civil Engineering
  • Crack Propagation
  • Crack Tips
  • Cracks
  • Engineering
  • Experimental Data
  • Fracture (Mechanics)
  • Materials
  • Mechanical Properties
  • Mechanics
  • Pressure Vessels
  • Stress Intensity Factors
  • Stress Waves
  • Stresses
  • Toughness

Readers

  • Graph Algorithms and Convex Optimization.
  • Materials Science (Mechanical Engineering).