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dc.contributor.authorWalker, Mark
dc.contributor.authorSmith, Ryan E.
dc.descriptionOriginally published in: Materials & Design, Vol. 27, No. 2, 2006.en_US
dc.description.abstractA methodology to select the best material combination and optimally design composite sandwich cylinders having fibre reinforced skins and low density cores for minimum mass is described. Sandwich constructions generally provide improved stiffness/mass ratios and more tailoring opportunities than monolithics, and thus greater chance of satisfying design constraints. The objective of the optimisation is to minimise the laminate mass by selecting the skin and core material combination, layer thicknesses and skin fibre angles optimally, subject to load and cost constraints. As the optimisation problem contains a number of continuous (ply angles and thicknesses) and discrete (material combinations) design variables, a sequential solution procedure is devised in which the optimal variables are computed in different stages. The procedure and its benefits are demonstrated using Graphite, Glass or Kevlar/Epoxy facings, and Balsa or PVC cores.en_US
dc.format.extentpp. 160-165 (6 p.)en_US
dc.rightsThe electronic version of the article published in Materials & Design 2006, 27(2): 160-165 © 2006 copyright Elsevier. Materials & Design available online at:
dc.subjectSandwich structuresen_US
dc.subjectSelection for minimum massen_US
dc.titleA procedure to select the best material combinations and optimally design composite sandwich cylindrical shells for minimum massen_US

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