Learn · Experimental Stress Analysis
Lecture 11 of 41Transmission Photoelasticity
Introduction to Transmission Photoelasticity
Prof. K. Ramesh · IIT Madras
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- Experimental Stress Analysis, IIT Madras (at NPTEL)
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All the lectures
- Overview of Experimental Stress Analysis
- Optical Methods Work as Optical Computers
- Stress, Strain and Displacement Fields
- Physical Principle of Strain Gauges, Photoelasticity and Moiré
- Introduction to Moiré, Brittle Coatings and Holography
- Hologram Interferometry, Speckle Methods
- Introduction to Shearography, TSA, DIC and Caustics
- Fringe Patterns – Richness of Qualitative Information
- Multi-Scale Analysis in Experimental Mechanics
- Selection of an Experimental Technique
- Introduction to Transmission Photoelasticity
- Ordinary and Extraordinary Rays
- Light Ellipse, Passage of Light Through a Crystal Plate
- Retardation Plates, Stress-optic Law
- Plane Polariscope
- Jones Calculus
- Circular Polariscope
- Determination of Photoelastic Parameters at an Arbitrary Point
- Tardy’s Method of Compensation
- Calibration of Photo elastic Materials
- Fringe Thinning Methodologies
- Fringe Ordering in Photoelasticity
- Miscellaneous Topics in Transmission Photoelasticity
- Three Dimensional Photoelasticity
- Overview of Digital Photoelasticity
- Introduction to Photoelastic Coatings
- Correction Factors for Photoelastic Coatings
- Coating Materials, Selection of Coating Thickness, Industrial Application of Photoelastic Coatings
- Calibration of Photoelastic Coatings, Introduction to Brittle Coatings
- Analysis of Brittle Coatings
- Introduction to Strain Gauges
- Strain Sensitivity of a Strain Gauge, Bridge Sensitivity, Rosettes
- Strain Gauge Alloys, Carriers and Adhesives
- Performance of Strain Gauge System
- Temperature Compensation, Two-wire and Three-wire Circuits
- Strain Gauge Selection
- Bonding of a Strain Gauge
- Soldering, Accounting for Transverse Sensitivity Effects
- Correction Factors for Special Applications
- Special Gauges
- Questions and Answers