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TsAGI Science Journal

ISSN Print: 1948-2590
ISSN Online: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2019031630
pages 429-442

INVESTIGATION OF CALCULATION ERROR FOR STRESS INTENSITY FACTORS APPLYING THE J-INTEGRAL METHOD

Mariya Alexandrovna Glebova
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Vyacheslav Ivanovich Grishin
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky Str. 1, Zhukovsky, Moscow Region, 140180 Russia
Svetlana Vladimirovna Tsoy
Irkut Corporation, 68, Leningradsky prospect, Moscow, 125315, Russian Federation
Rostislav Viktorovich Voronkov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Andrey Grigorievich Yashutin
Irkut Corporation, 68, Leningradsky Prospect, Moscow, 125315, Russian Federation

ABSTRACT

A method of improving the solution convergence when calculating stress intensity factors at crack tips is proposed. Examples of modeling and solving practical problems in determining the stress intensity factors in plates with various cracks are presented. The results are compared with analytical data.

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