Inadaptation Mechanisms in Bellows Subject to Sustained Pressure and Cyclic Axial Loadings in Terms of Finite Deformations

  • Błażej Skoczeń
  • Jacek Skrzypek
Part of the Solid Mechanics and Its Applications book series (SMIA, volume 36)


Failure mechanisms in S- and U-type bellows subjected to sustained pressure and cyclic axial loadings are discussed. The analysis is based upon geometrically nonlinear III-rd order theory (large deflections but small strains) as well as on the IV-th order theory with large strains expressed by means of the logarithmic measure taken into account. Elastic- perfectly plastic and bilinear kinematic hardening material models were adopted, respectively. Progressive deformation in the absence of internal pressure due to strong anisosensitivity of S-type bellows is explained in the framework of geometrically nonlinear theory. Force, displacement and mixed controlled processes are analysed. Two different mechanisms of collapse: ultimate load mechanism and formation of an inadmissible discontinuity line are discussed. Effect of a stiff ring installed at the root of U-type bellows on the accumulation of large plastic strains is presented.


Plastic Strain Discontinuity Line Plastic Strain Increment Progressive Deformation Toroidal Shell 
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Copyright information

© Springer Science+Business Media Dordrecht 1995

Authors and Affiliations

  • Błażej Skoczeń
    • 1
  • Jacek Skrzypek
    • 1
  1. 1.Cracow University of TechnologyCracowPoland

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