ANALYSIS OF THE STRESS CONCENTRATION IN THIN-WALLED ELEMENTS OF STRUCTURES WITH LOCAL IN-DEPTH

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Abstract


One must use a three-dimensional approach to determine the concentration of stresses in thin-walled elements of structures with local deepenings or defects. The stress concentration is analyzed for shells and panels with local deepenings. The authors investigated the effect of the finite element partition of a panel on the results and the concentration of the stress for the pan- els made from the different type of material: the model of Hooke and the model of Neo-Hooke (rubber-like material).

S N Yakupov

nstitute of Mechanics and Engineering, Kazan Science Center, Russian Academy of Sciences

T R Nasibullin

nstitute of Mechanics and Engineering, Kazan Science Center, Russian Academy of Sciences

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