ELECTRONIC SPECKLE INTERFEROMETRY METHOD FOR STRESS-STRAIN STATE (SSS) ANALYSIS OF AIRCRAFT STRUCTURES
- Authors: Wai H.O.1
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Affiliations:
- Moscow Institute of Physics and Technology
- Issue: Vol 6, No 1 (2019)
- Pages: 19-22
- Section: Articles
- URL: https://journals.eco-vector.com/2313-223X/article/view/529705
- ID: 529705
Cite item
Abstract
Task. This article proposes the development of a new version of the method of electronic speckle interferometry and calculationand experimental analysis of the VAT perspective full-scale aircraft with complex VAT and new materials.Summary. An important feature of speckle interferometry is the use of electronic photography of a particularly thin, “granular” structure of light reflected by a diffuse object in laser light. With the use of electronic speckle interferometry, a new generation system for measuring stresses in elastic bodies and structures was created, which combines the ideas and methods of holographic interferometry. In addition to the study of stresses, this system allows to solve other problems: the places of application and the magnitude of the loads acting on the elastic body, the stresses in thin films and the connections of their mechanical characteristics with stresses, the distributed and local inhomogeneities of the body structure, the microcracks and internal bundles, the delamination of coatings and deformation prerequisites for their occurrence, etc. Practical significance. The use of electronic speckle interferometry is an important and promising method for the study of aircraft structures with the identification of stress concentration zones and the determination of physical and mechanical characteristics of various materials, this problem is considered in this article.
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About the authors
Hlyan Oo Wai
Moscow Institute of Physics and Technology
Email: wayyanoo@yandex.ru
Post-graduate Student; Department of Applied Mechanics and Informatics
References
- Волков И.В. Внестендовая спекл-голография. Использование голографической и спекл-интерферометрии при измерении деформаций натурных конструкций // Компьютерная оптика. 2010. Т. 34. № 1. С. 82-89. http://www.computeroptics.smr.ru/KO/ KO34-1og.html
- Волков И.В. Спекл-голография в экспериментальной механике. Пенза: ПГТА, 2010. 199 с.
- Волков И.В. Использование метода спекл-голографии в экспериментальной механике // Измерительная техника. 2017. № 2. 42-46 с.
- Волков И.В., Вышинский В.В., Кисловский А.О. Теоретические основы метода спекл-голографии в экспериментальной механике // Труды МФТИ. 2017. Т. 9. № 2. С. 13-22. https://mipt.ru/science/ trudy/soderzhanie-zhurnala-trudy-mfti-tom-9-2-34-2017.php
- Вэй Хлэйн У, Ньян Мин Хтет, Тун Мин Лат, Волков И.В. Определение физико-механических характеристик материалов при исследовании концентрации напряжений в образцах с отверстиями // Труды МФТИ. 2018. Т. 10. № 1. C. 68-74. https://mipt.ru/science/ trudy/soderzhanie-zhurnala-trudy-mfti-tom-10-1-37-2018.php
- Джоунс Р., Уайкс К. Голографическая и спекл-интерферометрия. М.: Мир, 1986. С. 327.