NPTEL : Experimental Stress Analysis (Mechanical Engineering)

Co-ordinators : Prof. K. Ramesh


Lecture 1 - Overview of Experimental Stress Analysis

Lecture 2 - Optical Methods Work as Optical Computers

Lecture 3 - Stress, Strain and Displacement Fields

Lecture 4 - Physical Principle of Strain Gauges, Photoelasticity and Moiré

Lecture 5 - Introduction to Moiré, Brittle Coatings and Holography

Lecture 6 - Hologram Interferometry, Speckle Methods

Lecture 7 - Introduction to Shearography, TSA, DIC and Caustics

Lecture 8 - Fringe Patterns – Richness of Qualitative Information

Lecture 9 - Multi-Scale Analysis in Experimental Mechanics

Lecture 10 - Selection of an Experimental Technique

Lecture 11 - Introduction to Transmission Photoelasticity

Lecture 12 - Ordinary and Extraordinary Rays

Lecture 13 - Light Ellipse, Passage of Light Through a Crystal Plate

Lecture 14 - Retardation Plates, Stress-optic Law

Lecture 15 - Plane Polariscope

Lecture 16 - Jones Calculus

Lecture 17 - Circular Polariscope

Lecture 18 - Determination of Photoelastic Parameters at an Arbitrary Point

Lecture 19 - Tardy’s Method of Compensation

Lecture 20 - Calibration of Photo elastic Materials

Lecture 21 - Fringe Thinning Methodologies

Lecture 22 - Fringe Ordering in Photoelasticity

Lecture 23 - Miscellaneous Topics in Transmission Photoelasticity

Lecture 24 - Three Dimensional Photoelasticity

Lecture 25 - Overview of Digital Photoelasticity

Lecture 26 - Introduction to Photoelastic Coatings

Lecture 27 - Correction Factors for Photoelastic Coatings

Lecture 28 - Coating Materials, Selection of Coating Thickness, Industrial Application of Photoelastic Coatings

Lecture 29 - Calibration of Photoelastic Coatings, Introduction to Brittle Coatings

Lecture 30 - Analysis of Brittle Coatings

Lecture 31 - Introduction to Strain Gauges

Lecture 32 - Strain Sensitivity of a Strain Gauge, Bridge Sensitivity, Rosettes

Lecture 33 - Strain Gauge Alloys, Carriers and Adhesives

Lecture 34 - Performance of Strain Gauge System

Lecture 35 - Temperature Compensation, Two-wire and Three-wire Circuits

Lecture 36 - Strain Gauge Selection

Lecture 37 - Bonding of a Strain Gauge

Lecture 38 - Soldering, Accounting for Transverse Sensitivity Effects

Lecture 39 - Correction Factors for Special Applications

Lecture 40 - Special Gauges

Lecture 41 - Questions and Answers