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Mechanical Eng.
Engineering Fracture Mechanics
Lecture# 9
'Fracture Strength by Griffith' Video Lecture
Fracture Strength by Griffith
Course
:
Engineering Fracture Mechanics
Discipline
:
Mechanical Engineering
Faculty
: Prof. K. Ramesh
Institute
:
IIT Madras
Fracture Strength by Griffith
- Browse through
Engineering Fracture Mechanics (Mechanical Engineering)
Video Lectures by
Prof. K. Ramesh
from
IIT Madras
through NPTEL.
Course
:
Engineering Fracture Mechanics
Discipline
:
Mechanical Engineering
Faculty
: Prof. K. Ramesh
Institute
:
IIT Madras
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Energy Release Rate
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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
Airys Stress Function for Mode-I
Westergaard Solution of Stress Field for Mode..
Displacement Field for Mode-I
Relation between K
I
and G
I
Stress Field in Mode-II
Generalised Westergaard Approach
Williams 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
Irwins 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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