Spherical Shell

  • M. Esslinger
  • B. Geier
Part of the International Centre for Mechanical Sciences book series (CISM, volume 236)


In striving to fully understand the mechanism of initial imperfection sensitivity, let us briefly recall the stability behavior of flat plates and circular cylinders. In each of these structures the relationship between the buckling and the postbuckling loads was definitively attributable to the imperfection sensitivity of the structure. Thus in the case of flat plates the postbuckling loads are higher than the buckling load and, hence, we conclude that flat plates are imperfection insensitive. In the case of cylinders under external pressure, the postbuckling loads are slightly below the buckling load and so, cylinders under external pressure are imperfection sensitive to a small degree. With cylinders under axial loading the postbuckling loads are quite below the buckling load, hence, axially loaded cylinders are imperfection sensitive to a very high degree.


Spherical Shell Initial Imperfection Shallow Spherical Shell Postbuckling Behavior Imperfection Sensitivity 
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Copyright information

© Springer-Verlag Wien 1975

Authors and Affiliations

  • M. Esslinger
    • 1
  • B. Geier
    • 1
  1. 1.Institut für Flugzeugbau BraunschweigGermany

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