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Fig. 36 from the 1996 imperfections paper. This slide shows a layup scheme for all the laminated composite T-ring stiffened hydrostatically compressed cylindrical shells treated in this paper.
Shown here is the optimum ply distribution for the 70-inch-long cylindrical shell optimized with “reduced skin” and “tsd” (transverse shear deformation) switches turned on during optimization by PANDA2.
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