Mode Mixity Determinations for Interfacial Cracking in Incompressible Materials Under Plane Strain Conditions

Abstract

When a crack experiences plane strain conditions and lies along the interface between incompressible materials, the near tip field equations are simplified by the vanishing of the bimaterial parameter, epsilon. Finite element models that use a mixed formulation can be used to characterize the complex stress intensity factor of these cracks completely. This is done by using J integral calculations and a regression of the ratio of bond line traction components to r = 0.

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Document Details

Document Type
Technical Report
Publication Date
Apr 22, 1998
Accession Number
ADA409481

Entities

People

  • Timothy C. Miller

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Air Force
  • Air Force Research Laboratories
  • Complex Variables
  • Crack Tips
  • Elastic Materials
  • Equations
  • Finite Element Analysis
  • Geometry
  • Materials
  • Mechanical Working
  • Orientation (Direction)
  • Refractive Index
  • Rocket Engines
  • Shear Modulus
  • Stress Intensity Factors
  • Stresses
  • Surface Properties

Readers

  • Fluid Dynamics.
  • Materials Science (Mechanical Engineering).