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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The main attention nowadays is the integrated photoelasticity for the measurement of 3D stress fields.
Photoelasticity was also used for visual examination of the plastic zone size.
Modern photoelasticity for residual stress measurement in glass.
Among the topics are electrical strain gages, optical methods using the interference and diffraction of light, photoelasticity, MoirA[c] contouring applications, and holographic interferometry.
Unlike other methods (the method of strain measurement, the method of photoelasticity, etc.
In order to determine the latter, this paper presents a comparative study carried out using the finite element method and the photoelasticity technique of the stress state in the tightened plates of a screw assembly.
The module considers polymer fluid flow, heat transfer, viscoelasticity, photoelasticity, and a stress-optical law to investigate birefringence in optical parts molded of materials such as acrylic, PC, and COC (cyclic olefin copolymer).
The technique, dubbed photoelasticity, has been used for decades in industry.
The mathematical model of calculation obtained with the finite element method was validated using the photoelasticity technique that gave a fairly accurate picture of the stress variation.
Transparent polycarbonate will be used in the experiments; photoelasticity is to be used to calculate residual stress of specimen.
His discoveries in photoelasticity and thermoelectricity has a worldwide impact to engineering and technology also nowadays, in the 21st century, including the current research of Estonian scientists and engineers.
Brewster's photoelasticity law states that the index of refraction in a strained material becomes directional.