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Collapse of thick-walled cylinders under external pressure

Experimental and predicted results for external-pressure collapse are presented for cylinders of diameter-to-thickness ratio as low as four to one

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Abstract

Hydrostatic collapse tests performed on thick-walled capped cylinders are described. Finite-element predictions which incluce the effects of end-cap stiffening, cross-section ovalities and material strain hardening are compared to experimental results. The analyses correctly predict the sequence of events leading to collapse, but experimental failure pressures are significantly below predictions. It is concluded that the von Mises yield criterion used in the analysis did not accurately represent the yield behavior of the 1018 steel tubing material of the test-cylinders for the triaxial-stress conditions of interest.

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Authors and Affiliations

  1. Battelle Pacific Northwest Laboratory, 99352, Richaland, WA

    F. A. Simonen (Technical Leader) & R. J. Shippell Jr. (Research Engineer)

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  1. F. A. Simonen
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  2. R. J. Shippell Jr.
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Simonen, F.A., Shippell, R.J. Collapse of thick-walled cylinders under external pressure. Experimental Mechanics 22, 41–48 (1982). https://doi.org/10.1007/BF02326075

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  • DOI: https://doi.org/10.1007/BF02326075

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