DIGITAL PROCESSING OF INTERFEROGRAMS OBTAINED BY THE PHOTOELASTICITY METHOD



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Abstract

The article is devoted to the digital processing interferograms (isochromatic fringe patterns) obtained by the photoelasticity method. An application to interpretate the isochromatic fringe patterns is developed. It allows us to automate this procedure, gets to avoid the routine and time-consuming work. The features of the developed software package are described in detail by means of the classic problem of a diametrically compressed disk. The application’s algorithm includes following main steps: image pre-processing, localization interference fringe, fringe tracing. The application creates a text file containing all the necessary data to further determine the stress-strain state (isochromatic fringe’s number and locus of fringes).

About the authors

A. N. Kosygin

Samara National Research University

Author for correspondence.
Email: morenov@ssau.ru
ORCID iD: 0000-0002-0776-7939

Master’s Degree student of the the Department of Mathematical Modelling in Mechanics

L. N. Kosygina

Samara National Research University

Email: morenov@ssau.ru
ORCID iD: 0000-0002-9831-0175

Master’s Degree student of the the Department of Mathematical Modelling in Mechanics

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Copyright (c) 2019 Kosygin A.N., Kosygina L.N.

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