Analysis of Mixed Mode Crack Growth in a Ship Hull Material under Dynamic Loading

Abstract

Research on fracture in HY-100 steel under mixed mode (Modes I and II), dynamic, elastic-plastic loading conditions is described. A combined experimental and finite element analysis effort was pursued. The analysis employed the J criterion for fracture; a criterion which effectively generalizes the conventional J-integral to mixed mode and dynamic loading conditions. The experiments were performed with inclined-notch three-point-bend specimens of HY- 100 steel. By coupling the experiments and finite element analyses, a fracture criterion based on a critical J value was devised and verified.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1982
Accession Number
ADP000008

Entities

People

  • C. R. Barnes
  • J. Ahmad
  • M. F. Kanninen

Organizations

  • Battelle Memorial Institute

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Crack Propagation
  • Crack Tips
  • Cracks
  • Engineering
  • Finite Element Analysis
  • Fracture (Mechanics)
  • Geometry
  • Impact Tests
  • J Integrals
  • Materials
  • Mechanical Properties
  • Mechanics
  • Reliability
  • Ship Hulls
  • Stress Analysis
  • Stress Strain Relations
  • Stresses

Readers

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