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Analysis of the Deformation of Multi-layered Orthotropic Cylindrical Elastic Shells Using the Direct Approach

  • Mircea BîrsanEmail author
  • Holm Altenbach
Chapter
Part of the Advanced Structured Materials book series (STRUCTMAT, volume 15)

Abstract

In this paper we analyze the deformation of cylindrical multi-layered elastic shells using the direct approach to shell theory. In this approach, the thin shell-like bodies are modeled as deformable surfaces with a triad of vectors (directors) attached to each point. This triad of directors rotates during deformation and describes the rotations of the thickness filament of the shell. We consider a general set of constitutive equations which can model orthotropic multi-layered shells. For this type of shells we investigate the equilibrium of thin-walled tubes (not necessarily circular) subjected to external body loads and to resultant forces and moments applied to the end edges. We present a general procedure to derive the analytical solution of this problem. We consider that the external body loads are given polynomials in the axial coordinate, which coefficients can be arbitrary functions of the circumferential coordinate. We illustrate our method in the case of circular cylindrical three-layered shells and obtain the solution in closed form. For isotropic shells, the solution is in agreement with classical known results.

Keywords

Direct approach Multilayered shell Reissner theory  Simple shell Orthotropic material Cylindrical shell 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  1. 1.Department of Mathematics“A.I. Cuza” University of IaşiIaşiRomania
  2. 2.Faculty of Civil Engineering and ArchitectureLublin University of TechnologyLublinPoland
  3. 3.Department of Engineering SciencesMartin-Luther-University Halle-WittenbergHalle (Saale)Germany
  4. 4.Faculty of Mechanical EngineeringOtto-von-Guericke-UniversityMagdeburgGermany

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