photoelasticity


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Related to photoelasticity: birefringence

photoelasticity

(ˌfəʊtəʊɪlæˈstɪsɪtɪ)
n
(General Physics) physics the effects of stress, such as double refraction, on the optical properties of transparent materials
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From the classical studies of interacting fields such as in thermoelasticity, photoelasticity, etc., nowadays much attention is paid to real-life systems whether in biology or man-made systems (multi-agent systems, econophysics, just to name a few examples) where nonlinearity, heterogeneity, hierarchies, and non-stationarity describe the governing properties or mechanisms.
In the last decades, many measurement approaches were used to detect the SIF near the crack in transparent materials including photoelasticity [12, 13], coherent gradient sensing (CGS) [14-16], and digital coherent sensing (DGS) [17-19].
Stress concentration factors have been calculated for different geometries and ratios, the most complete review of stress concentrators with various geometries using the photoelasticity method is presented in [4].
(10),52) For instance, two-dimensional laboratory model experiments utilizing dynamic photoelasticity in conjunction with high-speed cinematography, together with finite difference numerical calculations, have illustrated that a slip pulse can run at the Rayleigh wave speed of the acoustically stiffer material and dynamic rupture-induced wave patterns are controlled by the acoustic mismatch of the two materials sandwiching the interface (Fig.
Radial force development during root growth measured by photoelasticity. Plant Soil, 360: 19-35
photoelasticity was employed to evaluate the simulated flow-induced stress indirectly in this study.
A new operation for arthroplasty of the hip based on biomechanics, photoelasticity, fast-setting dental acrylic, and other considerations.
Photoelasticity is an experimental technique for stress and strain analysis that is particularly useful for the samples with a complex geometry and loading conditions.