Finite Elements and Localized Failure

Abstract

This project was comprised of research on three different levels: 1) Experimental Work: Stroke controlled post-peak experiments on plain concrete specimens which were subjected to direct tension, triaxial compression and direct shear; 2) Constitutive Work: Homogenization of localized failure cure to tensile cracking and frictional slip in the form of the Composite Fracture Model which describes the degradation of strength within an elementary volume of a fracture energy equivalent continuum; and 3) Computational Work: Stabilization of strain-softening computations of localized failure within solids subjected to tensile cracking and/or shear faulting. Keywords: strain softening; concrete components; fragility; anisotropy; experimental data.

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Document Details

Document Type
Technical Report
Publication Date
Dec 31, 1985
Accession Number
ADA172507

Entities

People

  • Kaspar J. Willam
  • Stein Sture

Organizations

  • University of Colorado Boulder

Tags

Communities of Interest

  • Energy and Power Technologies
  • Engineered Resilient Systems
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Civil Engineering
  • Composite Materials
  • Continuum Mechanics
  • Elastic Properties
  • Engineering
  • Experimental Data
  • Failure Analysis
  • Failure Mode And Effect Analysis
  • Finite Element Analysis
  • Fracture (Mechanics)
  • Materials
  • Mechanics
  • Plastic Properties
  • Shear Tests
  • Tensile Strain
  • Tensile Strength

Fields of Study

  • Engineering

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Mechanical Engineering/Mechanics of Materials.