ЦИФРОВАЯ ФОТОМЕХАНИКА: ЧИСЛЕННАЯ ОБРАБОТКА РЕЗУЛЬТАТОВ ОПТОЭЛЕКТРОННЫХ ИЗМЕРЕНИЙ И ЕЕ ПРИЛОЖЕНИЕ К ЗАДАЧАМ МЕХАНИКИ РАЗРУШЕНИЯ

T.E. Gerasimova; Герасимова Т.Е.; P.N. Lomakov; Ломаков П.Н.; L.V. Stepanova; Степанова Л.В.

doi:10.18287/2541-7525-2013-19-9.2-63-73

NUMERICAL PHOTOMECHANICS: NUMERICAL PROCESSING OF PHOTOELASTICITY EXPERIMENTS AND ITS APPLICATION TO THE PROBLEMS OF FRACTURE MECHANICS PROBLEMS

Authors: Gerasimova T.¹, Lomakov P.¹, Stepanova L.¹
Affiliations:
1. Samara State University
Issue: Vol 19, No 9.2 (2013)
Pages: 63-73
Section: Articles
URL: https://journals.ssau.ru/est/article/view/4712
DOI: https://doi.org/10.18287/2541-7525-2013-19-9.2-63-73
ID: 4712

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Abstract

On the basis of photoelasticity method the experimental study of near crack tip stressed strain state in specimens under mixed loading conditions is performed. Carried out experimental investigation allows to obtain coefficients of full asymptotic expansions of stress and displacement fields in the vicinity of the crack tip and alos to find coefficients of highest approach in Williams full asymptotic expansion.