Model of Shell Fracture With Surface Cracks

Mironov, A. A.; Volkov, V. M.

doi:10.32326/1814-9146-2006-68-1-45-52

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“…In [2], the model of shell fracture was based on the crack critical opening criterion. In [3], the problem on crack initiation and development in a circular cylindrical shell weakened by a rectangular hole (loads are either axial tension or internal pressure) is considered.…”

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confidence: 99%

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Study of isotropic shell survivability by the analytical method

Batnidze

Сибгатуллин

2013

Russ. Aeronaut.

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Shells with a through-thickness macrocrack are considered. The algorithms for determining the specific radius r c in the crack-tip vicinity, the limiting load p c (the attainment of which makes the crack unstable), and the direction of macrocrack growth θ c are presented. We study the carrying capacity of a lengthy circular cylindrical shell under the internal pressure and with an arbitrarily oriented macrocrack.

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“…Since the paper volume is limited, we have not presented the calculations performed, namely, substitution of (6) and 2 z t = into (1); the following substitution of the results in (3), further (3) and (4) into (2). Finally, we obtain the following equation:…”

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confidence: 99%