An Integrated Experimental and Modeling Study of Ductile Fracture

Abstract

The principal goal of the proposed research is to extend a modeling approach termed the phase-field fracture framework to include the physical behaviors relevant for modeling dynamic ductile fracture and crack evolution. This task will require the inclusion bulk plasticity and fracture energy within the model. Additionally, it is critically important that the development of methodology is carried out in conjunction with novel experiments that allow for detailed observations and modeling of the relevant failure mechanisms. Finally, due to the coupling between the fine scales associated with the fracture process and the coarse scales related to the structural dimensions, further work on the solution of the multi-scale phase-field model is needed in order to make quantitative comparisons between the model and experiments.

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Document Details

Document Type
Technical Report
Publication Date
Oct 13, 2017
Accession Number
AD1082262

Entities

People

  • Chad M. Landis
  • Krishnaswamy Ravi-chandar
  • Thomas J.R. Hughes

Organizations

  • University of Texas at Austin

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Aluminum Alloys
  • Civil Engineering
  • Computational Mechanics
  • Computational Science
  • Elastic Properties
  • Failure Mode And Effect Analysis
  • Geometry
  • Material Degradation Processes
  • Materials
  • Measurement
  • Mechanical Properties
  • Mechanics
  • Modulus Of Elasticity
  • Munitions
  • Ordnance Laboratories
  • Plastic Properties
  • Three Dimensional

Readers

  • Computational Fluid Dynamics (CFD)
  • Reinforced Composite Materials