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This and the next slide are from:
S. Akhlaque-E-Rasul and R. Ganesan (Concordia Center for Composites, Department of Mechanical and Industrial Engineering, Concordia University, 1455 De Maisonneuve W., Montreal, QC, Canada, H3G 1M8), “Finite element global buckling analysis of tapered curved laminates”, (publisher and date not included in the pdf file; most recent reference is 2009)
ABSTRACT: Due to the variety of configurations of tapered curved composite plates the analysis becomes complex. At present no existing work deals with their response to compressive loading except the other works of present authors. The linear and non-linear buckling analyses of tapered curved composite plates are conducted in the present work using SHELL99 element of ANSYS. The results obtained using ANSYS are compared with that of the Finite Element Analysis using a Lagrange element based on First order Shell Theory (FST), and Ritz solution based on Classical Shell Theory (CST) and FST. The strength characteristics and load carrying ability of the tapered curved plates are investigated considering first-ply failure and delamination failure. Based on these analyses, the critical sizes and parameters of the tapered curved plates that will not fail before global buckling are determined. A parametric study is also carried out.
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