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In engineering, stress analysis refers to the uses of the methods to determine the stresses and strains in materials and structures subjected to forces. The [course_title] mainly highlights the fundamental aspects of experimental stress analysis that essentially covers accomplishment of the various techniques, such as photoelasticity, strain gauges, etc.

This course also provides a short presentation on the emerging techniques, including digital image correlation and more. Lastly, you will learn about the theoretical aspects of six different experimental techniques in an energetic form.


This course does not involve any written exams. Students need to answer 5 assignment questions to complete the course, the answers will be in the form of written work in pdf or word. Students can write the answers in their own time. Each answer needs to be 200 words (1 Page). Once the answers are submitted, the tutor will check and assess the work.


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Course Credit: NPTEL

Course Curriculum

Module: 01
Mod-01 Lec-01 Overview of Experimental Stress Analysis 00:46:00
Mod-01 Lec-02 Optical Methods Work as Optical Computers 00:52:00
Mod-01 Lec-03 Stress, Strain and Displacement Fields 01:03:00
Mod-01 Lec-04 Physical Principle of Strain Gauges, Photoelasticity and Moiré 00:57:00
Mod-01 Lec-05 Introduction to Moiré, Brittle Coatings and Holography 00:55:00
Mod-01 Lec-06 Hologram Interferometry, Speckle Methods 00:57:00
Mod-01 Lec-07 Introduction to Shearography, TSA, DIC and Caustics 00:55:00
Mod-01 Lec-08 Fringe Patterns – Richness of Qualitative Information 00:52:00
Mod-01 Lec-09 Multi-Scale Analysis in Experimental Mechanics 00:55:00
Mod-01 Lec-10 Selection of an Experimental Technique 01:01:00
Module: 02
Mod-02 Lec-11 Introduction to Transmission Photoelasticity 00:58:00
Mod-02 Lec-12 Ordinary and Extraordinary Rays 00:53:00
Mod-02 Lec-13 Light Ellipse, Passage of Light Through a Crystal Plate 00:53:00
Mod-02 Lec-14 Retardation Plates, Stress-optic Law 00:52:00
Mod-02 Lec-15 Plane Polariscope 00:51:00
Mod-02 Lec-16 Jones Calculus 00:55:00
Mod-02 Lec-17 Circular Polariscope 00:53:00
Mod-02 Lec-18 Determination of Photoelastic Parameters at an Arbitrary Point 00:53:00
Mod-02 Lec-19 Tardy’s Method of Compensation 00:54:00
Mod-02 Lec-20 Calibration of Photo elastic Materials 00:56:00
Mod-02 Lec-21 Fringe Thinning Methodologies 00:59:00
Mod-02 Lec-22 Fringe Ordering in Photoelasticity 00:52:00
Mod-02 Lec-23 Miscellaneous Topics in Transmission Photoelasticity 00:55:00
Module: 03
Mod-03 Lec-24 Three Dimensional Photoelasticity 00:56:00
Mod-03 Lec-25 Overview of Digital Photoelasticity 00:52:00
Module: 04
Mod-04 Lec-26 Introduction to Photoelastic Coatings 00:57:00
Mod-04 Lec-27 Correction Factors for Photoelastic Coatings 00:57:00
Mod-04 Lec-28 Coating Materials,Selection of Coating Thickness 00:51:00
Mod-04 Lec-29 Calibration of Photoelastic Coatings, Introduction to Brittle Coatings 00:53:00
Mod-04 Lec-30 Analysis of Brittle Coatings 00:51:00
Module: 05
Mod-05 Lec-31 Introduction to Strain Gauges 00:56:00
Mod-05 Lec-32 Strain Sensitivity of a Strain Gauge, Bridge Sensitivity, Rosettes 00:57:00
Mod-05 Lec-33 Strain Gauge Alloys, Carriers and Adhesives 00:52:00
Mod-05 Lec-34 Performance of Strain Gauge System 00:54:00
Mod-05 Lec-35 Temperature Compensation, Two-wire and Three-wire Circuits 00:53:00
Mod-05 Lec-36 Strain Gauge Selection 00:50:00
Mod-05 Lec-37 Bonding of a Strain Gauge 00:58:00
Mod-05 Lec-38 Soldering, Accounting for Transverse Sensitivity Effects 00:54:00
Mod-05 Lec-39 Correction Factors for Special Applications 01:00:00
Mod-05 Lec-40 Special Gauges 00:58:00
Mod-06 Lec-41 Discussion Session 00:40:00
Submit Your Assignment 00:00:00
Certification 00:00:00

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