Engineering Fracture Mechanics

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Offered byNPTEL

Engineering Fracture Mechanics
at
NPTEL
Overview

Gain a comprehensive overview of the fracture mechanics principles and concepts

Duration	12 weeks
Mode of learning	Online
Schedule type	Self paced
Credential	Certificate

Engineering Fracture Mechanics
at
NPTEL
Course details

Skills you will learn

Manufacturing Technology R Software Testing

Who should do this course?

For Students in Engineering Colleges and working professionals in similar areas

More about this course

The course covers the basic aspects of Engineering Fracture Mechanics
Spectacular failures that triggered the birth of fracture mechanics, Modes of loading, Classification as LEFM and EPFM, Crack growth and fracture mechanisms, Energy release rate, Resistance, Griffith Theory of fracture, Extension of Griffith Theory by Irwin and Orowan, R-Curve, Pop-in phenomena, Crack branching.

Engineering Fracture Mechanics
at
NPTEL
Curriculum

Week 1

EFM Course outline and Spectacular Failures

Week 2

Introduction to LEFM and EPFM, Fatigue Crack Growth Model

Week 3

Crack Growth and Fracture Mechanisms, Griffith TMs Theory of Fracture

Week 4

Energy Release Rate

Week 5

Review of Theory of Elasticity

Week 6

Westergaard Solution for Stress and Displacements for Mode I, Relationship between K and G

Week 7

Introduction to multi parameter stress field for Mode I, Mode II and Mixed Modes

Week 8

SIF for Various Geometries

Week 9

Modeling Plastic Deformation, Irwin TMs model, Dugdale Model

Week 10

Fracture Toughness Testing, Paris Law and Sigmoidal curve

Week 11

Crack Closure, Crack Growth Models, J-Integral

Week 12

Failure Assessment Diagram, Mixed Mode Fracture, Crack Arrest and Repair Methodologies

Engineering Fracture Mechanics
at
NPTEL
Faculty details

K. Ramesh

Prof. K. Ramesh is currently a Senior Professor at the Department of Applied Mechanics, IIT Madras; as its Chairman during (2005-2009) and formerly a Professor at the Department of Mechanical Engineering, IIT Kanpur.