Experimental Mechanics

, Volume 13, Issue 7, pp 299–304 | Cite as

Experiments on the postbuckling behavior of circular cylindrical shells under hydrostatic pressure

Precise experimental results are presented for the postbuckling behavior of circular cylindrical shells under hydrostatic pressure, which will be of use for elaborate theoretical analyses in the future
  • N. Yamaki
  • K. Otomo
Article

Abstract

Detailed experimental studies are performed on the postbuckling behavior of circular cylindrical shells under hydrostatic pressure, by using lap-jointed polyester test cylinders with radius 100 mm, thickness 0.25 mm and lengths ranging from 23 to 165 mm. Connections of the edge shortening and radial displacement with applied pressures as well as wave forms for typical postbuckling configurations are determined for various values of the shell curvature parameterZ ranging from 20 to 1000. It is found that the buckling pressure and the corresponding wave number for each cylinder compare favorably with those theoretically predicted, and that the minimum pressure after buckling decreases with the increase inZ, until it becomes about 70 percent of the theoretical buckling pressure for long shells withZ greater than 200.

Keywords

Experimental Study Mechanical Engineer Fluid Dynamics Hydrostatic Pressure Cylindrical Shell 

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Copyright information

© Society for Experimental Mechanics, Inc. 1973

Authors and Affiliations

  • N. Yamaki
    • 1
  • K. Otomo
    • 1
  1. 1.Institute of High Speed MechanicsTohoku UniversitySendaiJapan

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