Course on Linear Elastic Fracture Mechanics (LEFM) – Theory

About Course

This course on Theoretical Fracture Mechanics deals with theory behind the Classical Fracture Mechanics, including the LEFM, EPFM approach in estimating the life of component or structure with an strongly implemented Damage Tolerance Philosophies.


It is a billion dollar question to repair & re-use or reject the existing structures, which are subjected to all kind of environments, service loads, and abusive conditions over the years. How safe are they?, Can we continue with same condition, then how long? Is it repairable/reusable if yes, then how? or reject them – how to come to a judgement of rejecting them. Tons of questions in the engineers mind need an answer. Condition assessment of these structures requires an interdisciplinary approach of study the material, NDT, fracture mechanics & life assessment techniques.

It is important for any designers to understand  Fatigue and Damage Tolerance Philosophies, which is an important and challenging task to avoid the failures.  Fatigue and Damage Tolerance Philosophies mainly deals with Safe Life Design, Fail Safe Design, Damage Tolerance Design. In Damage Tolerance Design Philosophy : Linear elastic fracture mechanics approach (LEFM) is used to predict crack stability and crack growth, Objective is to assess the effect of cracks in the structure between two inspections.

What is Fracture Mechanics?
  • The classical objective of fracture mechanics is the determination of the rate of change of the shape of an existing crack. Will it propagate under given loading and environmental conditions, and, if it does propagate, at what rate, and into what configuration?
  • The corresponding analytical computational requirement has been to obtain the fields – displacement, strain, stress, and energy – from which the driving force for crack propagation might be extracted.
  • The corresponding experimental requirement has been to measure the resisting force against crack propagation, and to observe and measure configuration change and rate of growth.
This  Course focus to deliver the theory of Theoretical Fracture Mechanics which starts from crack initiation to crack propagation and failure. Linear Elastic Fracture Mechanics (LEFM) to Elastic-Plastic Fracture Mechanics Studies.For Computational Fracture Mechanics – Refer the Course on 3D Fracture Mechanics Simulation using FRANC3D

What Will I Learn?

  • Fundamental Understanding of Classical Fracture Mechanics
  • Linear Elastic Fracture Mechanics
  • Fracture Mechanics Testing Methods
  • Computational Fracture Mechanics Theory

Topics for this course

25 Lessons40h

Fatigue Analysis

Strain Life Approach
Stress Life Approach
Fracture Mechanics Approach.

Linear Elastic Fracture Mechanics

Computational Fracture Mechanics

Test Methods

Fatigue Life Prediction Methodologies

Practical Case Studies

About the instructor

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53 Courses

2 students


Material Includes

  • Technical Delivery of the Course
  • Practical Example on Fracture Mechanics
  • Study Materials on Classical Fracture Mechanics


  • Knowledge of Damage Tolerance Philosophy
  • Knowledge of Design Cycle
  • Knowledge of Fatigye, Durability

Target Audience

  • FEA Analysts
  • Fatigue, Durability Engineers
  • Material Testing Engineers
  • Fracture Mechanics Engineers
  • Research Scholars
  • Faculties
Virtual Engineering
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