'Dugdale Model' Video Lecture

Dugdale Model

  • Course: Engineering Fracture Mechanics
  • Discipline: Mechanical Engineering
  • Faculty: Prof. K. Ramesh
  • Institute: IIT Madras

    • Dugdale Model - Click on the Video Link shown below to play the video on Youtube. Browse through Engineering Fracture Mechanics (Mechanical Engineering) Video Lectures by Prof. K. Ramesh from IIT Madras through NPTEL.

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    Course Video Lectures EFM Course Outline Spectacular Failures Lessons from Spectacular Failures LEFM and EPFM Fracture Mechanics is Holistic Fatigue Crack Growth Model Crack Growth and Fracture Mechanisms Elastic Strain Energy Fracture Strength by Griffith Energy Release Rate Utility of Energy Release Rate Pop-in Phenomenon Displacement and Stress Formulations Forms of Stress Functions Airy’s Stress Function for Mode-I Westergaard Solution of Stress Field for Mode.. Displacement Field for Mode-I Relation between KI and GI Stress Field in Mode-II Generalised Westergaard Approach William’s Eigen Function Approach Multi-parameter Stress Field Equations Validation of Multi-parameter Field Equations Discussion Session-I Evaluation of SIF for Various Geometries SIF for Embedded Cracks SIF for Surface Cracks Modeling of Plastic Deformation Irwin’s Model Dugdale Model Fracture Toughness Testing Plane Strain Fracture Toughness Testing Plane Stress Fracture Toughness Testing Paris Law and Sigmoidal Curve Crack Closure Crack Growth Models J-Integral HRR Field and CTOD FAD and Mixed Mode Fracture Crack Arrest and Repair Methodologies Discussion Session - II
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