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Instability of Axially Loaded Delaminated Composite Cylindrical Shells
Current Issue
Volume 5, 2018
Issue 5 (September)
Pages: 101-113   |   Vol. 5, No. 5, September 2018   |   Follow on         
Paper in PDF Downloads: 36   Since Sep. 13, 2018 Views: 918   Since Sep. 13, 2018
Authors
[1]
Ahmad Salah Edeen Nassef, Faculty of Engineering, Matria-Helwan University, Cairo, Egypt.
[2]
Mohammed Aly Nassar, Faculty of Engineering, Cairo University, Giza, Egypt.
Abstract
This paper is studying local buckling of delaminated cylindrical shells under distributed normal load, where it often causes delamination propagation and structural collapse. The governing differential equations are derived depending on variational principle, the corresponding end conditions and continuity conditions are applied. The associated energy release rate with the delamination is obtained and generalized differential quadrature method is used to solve nonlinear governing equations. Effects of delamination sizes and depths on delamination propagation are discussed.
Keywords
Differential Quadrature, Delamination, Cylindrical Shells, Axial Load, Buckling
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