Loading...

Buckling Analysis of Composite Cylindrical Shells Under External Pressure

Farahbakhshi, Amir | 2016

653 Viewed
  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 49244 (08)
  4. University: Sharif University of Technology
  5. Department: Mechanical Engineering
  6. Advisor(s): Fallah Rajabzadeh, Famida
  7. Abstract:
  8. The aim of this project is buckling and post-buckling analysis of laminated composite circular cylindrical shells under external pressure on the basis of different shell theories. Based on Donnell, Love, and Sanders nonlinear shell theories within the first-order shear deformation model and von Karman geometric nonlinearity, the potential energy of composite circular cylindrical shells under external pressure with simply supported edges is extracted and by minimizing of the total potential energy and implementing the Ritz method, buckling pressure, the nonlinear post-buckling analysis and the curves of static equilibrium paths are presented. Furthermore, the effect of the external energy due to the change of volume enclosed by the shell and the linear buckling analysis for composite cylindrical shells with arbitrary boundary conditions are investigated. Eventually the effect of the radius-to thickness ratio, length-to-radius ratio, number of layers, and lay-up configuration of the laminate on them are studied in detail. The similar linear and nonlinear analysis for isotropic cylindrical shells and the nonlinear analysis for circular cylindrical shell which is made of functionally graded materials under different thermal conditions are also conducted
  9. Keywords:
  10. Buckling ; Cylindrical Shells ; Ritz Method ; Laminated Composite Sheets ; Post-Buckling Behavior ; Isotropic Materials ; Functionally Graded Materials (FGM)

 Digital Object List

 Bookmark

No TOC