• views: 138
• date: 29 January 2026
• posted by: 0nelove

Learn about the Theories of mechanical failure and principles of designing for fatigue for mechanical engineering
What you'll learn
✓ Principal stress and their importance
✓ Maximum Shear stress theory of failure
✓ Maximum distortion Energy theory
✓ Mohr and Columb mohr theory
✓ Designing for Fatigue and Basics of fracture mechanics
✓ Definition of endurance limit and strength
✓ Modifying factors for Endurance strength
✓ Defining failure criteria in fatigue
Requirements
● Understanding of strength of materials or mechanics of materials is desirable to understand the concepts in the course
Description
Machine design is the practice of designing structural elements of a product to meet functional and durability criteria .
Failure prevention is a big part of study for Machine design . This course deals with the various theories of failure in Static and dynamic (cyclic) loading conditions.
• Basics of Principal stress from mechanics of materials
• Importance of principal stress
• What are Theories of failure? the most simplest form
• Maximum Shear stress Theory - How it is derived , the analysis and cases
• Maximum distortion Energy theory - the most widely used theory of failure for ductile materials
• The derivation from concept of strain energy
• Definition of Von mises stress
• Mohr theory - Theory for materials with different tensile and compressive strengths
• Coulomb- Mohr theory
• Brittle Failure theory
• Selection of Failure theory
• What is Fatigue loading? fatigue failure?
• Fracture mechanics basics
• What is fracture toughness property
• Factors to be considered
• The S-N curve and RR Moore test to develop S-N curve
• Endurance strength and Endurance limit
• The Endurance limit modifying factors
• Surface, Size, temperature, loading
• Stress concentration factor
• Characterization of cyclical loading
• Definition of failure criteria in Fatigue
The course is designed to be compact and to the point highlighting the most important concepts and the Why ? behind it.
This is an advanced level course suitable if you are already familiar with strength of materials or mechanics of materials and basics of mechanical engineering .
Who this course is for
■ Mechanical Engineering students
■ Design engineers looking to refresh their basics in Machine design
■ Anyone interested in mechanical and machine design




   
   
   

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