Journal ArticleDOI
Digital photoelasticity – A comprehensive review
TLDR
This review thematically classifies all the developments in digital photoelasticity and highlights the relative merits and drawbacks of the various techniques to allow an end-user to make an informed choice on the type of technique to be used in a particular situation.Abstract:
Digital photoelasticity has rapidly progressed in the last few years and has matured into an industry-friendly technique. This review thematically classifies all the developments in digital photoelasticity and highlights the relative merits and drawbacks of the various techniques. The overall objective is to provide enough information and guidance to allow an end-user to make an informed choice on the type of technique to be used in a particular situation.read more
Citations
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Journal ArticleDOI
Review of RGB photoelasticity
TL;DR: The article presents an overview of the main characteristics of RGB photoelasticity that is influence of the quarter-wave plate error, number of acquisitions, type of light source, determination of low and high fringe orders, methods for searching the retardation, scanning procedures, calibration on a material different from that under test, combined use of the RGB and phase shifting methods.
Journal ArticleDOI
Digital photoelasticity: Recent developments and diverse applications
K. Ramesh,Sachin Sasikumar +1 more
TL;DR: In the last three decades of developments, the technique of Digital Photoelasticity (DP) has been stabilized and the methodology has successfully applied to a wide range of problems in Engineering and science as discussed by the authors.
Journal ArticleDOI
Visualization of the three-dimensional structure and stress field of aggregated concrete materials through 3D printing and frozen-stress techniques
TL;DR: In this article, the authors used 3D printed models based on X-ray microfocus computed tomography (CT) imaging of a concrete sample to replicate its complex aggregate structure in a transparent matrix, and the associated three-dimensional stress field is visually characterized at mesoscale through uniaxial compression tests and photoelastic techniques that incorporate a threedimensional frozen-stress test to analyse the effects of randomly distributed aggregates.
Journal ArticleDOI
Digital photoelasticity of glass: A comprehensive review
K. Ramesh,Vivek Ramakrishnan +1 more
TL;DR: The recent advances in digital photoelasticity have made it possible to use it conveniently for the stress analysis of articles and components made of glass as discussed by the authors, which necessitates different techniques and associated equipments.
Journal ArticleDOI
Optical measurement techniques – A push for digitization
TL;DR: This work presents a new digital photoelasticity Reference EPFL-ARTICLE-222716 that combines holographic interferometry and digital image correlation for Fringe projection profilometry with real-time information about the response of the human eye to light.
References
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Journal ArticleDOI
Determination of isoclinic and isochromatic parameters using the three-load method
TL;DR: In this article, a modified approach to load stepping is proposed and is called the three-load method, which uses the relationships of phase retardations at each point for three different loads to determine the isoclinic angle θ in the range -π/2 < θ < π/2.
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Full field automated photoelasticity using two- load-step method
TL;DR: A new two-load-step approach to the phase-shifting method is presented for the full field determination of both isoclinic and isochro- matic parameters in photoelasticity, which is a simpler approach and is easier to execute.
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The use of phase-stepping for the measurement of characteristic parameters in integrated photoelasticity
TL;DR: In this paper, an automated phase-stepping method was developed to enable the determination of the three characteristic parameters for three-dimensional or integrated photoelasticity, which have been described as the characteristic retardation, δ, and the primary and secondary characteristic directions, θ and θ+χ.
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Whole field determination of isoclinic and isochromatic parameters
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Whole-field determination of isoclinic parameter by five-step color phase shifting and its error analysis
TL;DR: In this article, a color camera recorded five isoclinic images coupled with isochromatics from a plane polariscope with five different settings, respectively, and the unloaded light intensity of the model is systematically studied.