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
Digital dynamic photoelasticity
Anand Asundi,M. R. Sajan +1 more
TL;DR: In this article, a new experimental system for dynamic photoelasticity is presented, which makes use of a pulsed diode laser and a digital scanning camera and is suitable for repeatable dynamic photoselastic experiments.
Journal ArticleDOI
New Initiatives on Comparison of Whole-field Experimental and Numerical Results
TL;DR: In this paper, a simple approach to plot photoelastic fringes in grey scale and also in colour from finite element (FE) results is presented for better recognition and comparison with experiments.
Journal ArticleDOI
Determination Of Characteristic Parameters In Three-Dimensional Photoelasticity
TL;DR: In this paper, a survey of the direct and indirect methods used to determine the characteristic parameters is presented, and a new indirect method for determining these parameters has been developed, which is verified experimentally and compared with theoretical characteristic parameters determined using Jones calculus.
Journal ArticleDOI
A New Six-Step Phase Shifting Technique Using Mixed-Polariscope in Digital Photoelasticity
TL;DR: In this paper, a new digital photoelastic method based on phase shifting using monochromatic light source is presented It provides full field values of isoclinics (θ) and isochromatics (N) in a true sense among the several methods available for data acquisition, phase shifting / polarization stepping techniques are most widely used for their simplicity and accuracy
Journal ArticleDOI
Optically enhanced tiling (OET) in digital fringe pattern analysis
K. Ramesh,D. Sreedhar +1 more
TL;DR: A generic approach namely optically enhanced tiling (OET) is presented to construct a composite picture from multiple optically zoomed images to solve the problem of data acquisition in digital photoelasticity using phase shifting technique.