The course covers the basic aspects of experimental stress
analysis that includes exhaustive treatment of the most versatile
techniques like photoelasticity and strain gauges and also a brief
introduction to the emerging techniques like digital image
correlation. In addition it also provides the fundamental aspects
of six different experimental techniques such as Moiré, Brittle
Coatings, Holography, Speckle Methods, Thermoelastic Stress
Analysis and Caustics.
Week
Topics
1.
Overview of Experimental Stress Analysis
2.
Physical Principle of Experimental Techniques,
Introduction to Various experimental Techniques
3.
Fringe Patterns – Richness of Qualitative
Information, Multi Scale Analysis
4.
Selection of Experimental Techniques,
Introduction to Crystal Optics
5.
Light Ellipse, Retardation Plates and Plane
Polariscope
6.
Jones Calculus, Plane and Circular Polariscope
analysis
7.
Compensation Techniques, Calibration of
Photoelastic Materials
8.
Fringe ordering and Three-Dimensional
Photoelasticity
9.
Photoelastic Coatings
10.
Brittle Coatings and Strain Gauges Introduction
11.
Strain Gauge Alloys, Performance of Strain Gauge
System
12.
Correction factor for Special Applications
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1. K. Ramesh, e-Book on Experimental Stress Analysis, IIT Madras, 2009. URL: https://home.iitm.ac.in/kramesh/ESA.html 2. K. Ramesh, Digital Photoelasticity – Advanced Techniques and Applications, Springer, 2000. 3. W.N. Sharpe (Ed.), Springer Handbook of Experimental Solid Mechanics, Springer, 2008 4. J.W. Dally and W.F. Riley, Experimental Stress Analysis, McGraw-Hill, 1991 5. L.S. Srinath, M.R. Raghavan, K. Lingaiah, G. Gargesa, B. Pant, and K. Ramachandra, Experimental Stress Analysis, Tata Mc Graw Hill, 1984.
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