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Indian Institute of Technology Madras

Experimental Stress Analysis – An Overview

Indian Institute of Technology Madras and NPTEL via Swayam

Overview

Experimental methods exploit a particular physical phenomenon to make measurements and hence only certain information that can be recorded by an experimental technique. The course introduces the physical principle used by various experimental techniques and also provides a guideline to select an experimental technique for a given application. The role of analytical, numerical and experimental methods in solving a problem in solid mechanics is discussed. Stress and strain at a point is discussed in most courses on solid mechanics but little attention is paid on the variation of these quantities over the field of the model. Attention is drawn on the richness of whole field information provided by most of the optical techniques. 

Syllabus

1.1
Introduction to Stress Analysis – Analytical and Numerical Approaches
1.2
Introduction to Stress Analysis: Experimental Approaches
1.3
Optical Methods Work as Optical Computers
1.4
Basic information provided by various experimental methods
1.5
Visual appreciation of field information: Part-1
1.6
Visual Appreciation of Field Information - Part-2
1.7
Visual Appreciation of Field Information - Part-3
2.1
Visual Appreciation of Field Information - Part-4
2.2
Visual Appreciation of Field Information - Part-5
2.3
Completeness of a Numerical Solution
2.4
Principle of Strain Gauges
2.5
Overview of Strain Gauge Measurements
2.6
Elegance of Photoelasticity
2.7
Introduction to Photoelasticity
3.1
Principles of Moiré
3.2
Introduction to Moiré
3.3
Introduction to Brittle Coatings
3.4
Introduction toHolography
3.5
Introduction toHologram Interferometry
3.6
Introduction to Double exposure hologram interferometry
3.7
Introduction toSpeckle Methods
3.8
Introduction to Speckle Interferometry Techniques
3.9
Introduction to TSA and DIC
4.1
Introduction to Caustics
4.2
Introduction to Coherent Gradient Sensor
4.3
Naming of Experimental Methods
4.4
Fringe Patterns - Richness of Qualitative Information
4.5
Key technologies that have influenced Experimental Mechanics
4.6
Multiscale analysis and trends in experimental mechanics
4.7
Selection of an experimental technique- Part I
4.8
Selection of an experimental technique- Part 2

Taught by

K. Ramesh

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  • Ashwin Dilip Parate
    1

    Ashwin Dilip Parate completed this course, spending 1 hours a week on it and found the course difficulty to be medium.

    There is a very helpful for my career. And its beneficial for our curriculum. The course is very needful for job title.

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