A design chart for the plastic collapse of corrugated cylinders under external pressure

Ross, Carl T.F.; Terry, Adrian; Little, Andrew

doi:10.1016/s0029-8018(00)00007-x

Cited by 10 publications

(2 citation statements)

References 8 publications

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“…For many years, cylindrical and spherical pressure shells have been the simplest and most efficient deep-sea pressure shell structures. These structures play crucial roles in the development of underwater pressure vessels, such as hulls of submarines and submersibles, due to their high space utilization and simple geometry (Ross et al 2001;Ross 2006;Pan and Cui 2010;Pan and Cui 2011;Zuo et al 2014). However, these structures are susceptible to buckling when exposed to uniform external pressure, which is strongly affected by geometrical configuration, material properties, and geometrical imperfections (Arbocz and Starnes 2002;Błachut and Magnucki 2008;Błachut 2014;Jasion and Magnucki 2015;Zingoni 2015).…”

Section: Introductionmentioning

confidence: 99%

Buckling of Multiple Intersecting Spherical Shells Under Uniform External Pressure

Zhang

Cui

et al. 2020

J. Marine. Sci. Appl.

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This study explored the buckling of multiple intersecting spherical shells. A three-segment spherical shell was designed using the theory of deformation coordination; the design was compared with that of a volume-equivalent cylindrical shell and ring-ribbed cylindrical shell. The numerical results indicated that the buckling capacity of the three-segment spherical shell was superior to those of the other two cylindrical shells. To validate our numerical approach, three laboratory-scale shell models were fabricated. Each model was accurately measured and slowly tested in a pressure chamber; thus, the tested shells were studied numerically. The experimental collapse modes agreed well with numerical results, and the collapse load of the three-segment pressure shell was considerably higher than that of the two cylindrical shells.

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Section: Introductionmentioning

confidence: 99%

Buckling of Multiple Intersecting Spherical Shells Under Uniform External Pressure

Zhang

Cui

et al. 2020

J. Marine. Sci. Appl.

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“…An effective buckling prevention strategy is to enhance the stiffness of a shell by adding rings [10,11], stringers [12,13], or corrugations [14][15][16][17] (Figure 1). This strategy is applicable not only to pressure shells but also to the seismic protection of walls [18].…”

Section: Introductionmentioning

confidence: 99%

Buckling Behavior of Stainless Wave-Shaped Pressure Hulls

Zheng,

Hu,

Jiao

et al. 2024

JMSE

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This study primarily focuses on the buckling behavior of wave-shaped pressure hulls subjected to uniform external pressure. The effect of slant angle on the buckling behavior of hulls was examined. The tested slant angles ranged from 0° to 30° and were increased at 1° increments. The buckling of smooth cylindrical pressure hulls and wave-shaped pressure hulls was investigated using numerical methods. A wave-shaped pressure hull was produced for experimental verification. The nonlinear numerical results aligned with the collected experimental data. The buckling load of the tested wave-shaped pressure hull was approximately 1.87 times that of the equivalent cylindrical pressure hull. Furthermore, a formula was developed to estimate the load-bearing capacity of the wave-shaped pressure hull. This formula, which has been experimentally validated, comprises a correction coefficient (obtained through numerical evaluation and regression analysis) and a classic semi-analytical formula for cylindrical pressure hulls.

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Mechanical Performance of Bio-inspired Bidirectional Corrugated Sandwich Pressure Shell Under External Hydrostatic Pressure

Zhang,

Chen,

Yun

et al. 2024

China Ocean Eng

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A design chart for the plastic collapse of corrugated cylinders under external pressure

Cited by 10 publications

References 8 publications

Buckling of Multiple Intersecting Spherical Shells Under Uniform External Pressure

Buckling of Multiple Intersecting Spherical Shells Under Uniform External Pressure

Buckling Behavior of Stainless Wave-Shaped Pressure Hulls

Mechanical Performance of Bio-inspired Bidirectional Corrugated Sandwich Pressure Shell Under External Hydrostatic Pressure

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