Analysis of various thick-walled cross-ply composite cylindrical shells subjected to lateral pressures

✍ Scribed by O.-II Byon(G. Ben); J.R. Vinson; S. Sato

• Publisher: Elsevier Science
• Year: 1996
• Tongue: English
• Weight: 517 KB
• Volume: 27
• Category: Article
• ISSN: 1359-8368
• DOI: 10.1016/1359-8368(95)00049-6

✦ Synopsis

A simple and accurate finite cylindrical element method was formulated by the authors to determine stresses and deformations in laminated thick-walled cylindrical composite shells. This method reduces the overall problem to a one-dimensional one. In the previous study it was found that significant tensile radial strains occur near the inner shell surface, when the shell is subjected to external pressures. These radial tensile strains are of the same magnitude as the failure strains for the composite shells for shell dimensions and pressures of practical use. In the present study various stacking sequences are investigated to determine the one resulting in the lowest radial tensile strains. Using this optimum stacking sequence, results are obtained for shells composed of E-glass/epoxy, T300/SP-286 graphite/epoxy, and Kevlar 49/epoxy. In addition, two hybrid composite systems consisting of graphite/epoxy and glass/epoxy are studied.