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Vol. 55 (2014) No. 1 March n. 179


A Study on Structural Behaviour of Origami Inspired Shell Structures with Curved Folds

< Table of Contents for Vol. 55 (2014) No. 1 March n. 179
  • Journal Name: Journal of the International Association for Shell and Spatial Structures (J. IASS)
  • ISSN: (Electronic Version) 1996-9015
  • ISSN: (Print Version) 1028-365X
  • Issue: Vol. 55 (2014) No. 1 March n. 179
  • Pages: 19-30
  • Title: A Study on Structural Behaviour of Origami Inspired Shell Structures with Curved Folds
  • Author(s): W.K. Ng, R. Rohim, K.K. Choong and N. Bhardwaj
  • Keywords: Origami, Folded shell, Curved fold lines, Huffman
Abstract
The structural behaviour of folded shell structures with the shape of two horns, each formed by a pair of curved fold lines, is investigated. These structures were inspired by the origami work by Huffman. The shape of these surfaces depends on four main parameters, the slope of the first fold line, the angle between the two fold lines and the ratios between rise and span of each curved folds. The generation of the surface shape is presented. The effects of three different types of changes are considered: variation of the surface parameters, change of rise-span ratio, and smoothening of the curved folds. A finite element structural analysis of the generated models under self-weight condition is presented. This analysis identifies a particular set of surface parameters that provide the best structural performance.

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