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On-line Journal of the IASS

Vol. 47 (2006) No. 1 April n. 150


A Study on Shell Surface with Folds – A Nature Inspired Idea From Leaves of Johannesteijsmannia Altifron

< Table of Contents for Vol. 47 (2006) No. 1 April n. 150
  • 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. 47 (2006) No. 1 April n. 150
  • Pages: 63-73
  • Title: A Study on Shell Surface with Folds – A Nature Inspired Idea From Leaves of Johannesteijsmannia Altifron
  • Author(s): S.A. Razzack, K.K.Choong, T.A. Majid
  • Keywords: Shells in nature, folds, Johannesteijsmannia altifrons, and nature inspired roof system
Abstract
In this research the surface data of the leaf is first captured using structured lighting method. The captured data is then used as input to generate a unit folded shell surface and variations that closely follow the natural geometry of the actual leaf. Two approaches, namely Pure/Rigid Geometry Approach and Natural Geometry Approach, for generating doubly curved surfaces with folds are also presented. The aim of this paper is to introduce an alternative structural concept for roof structures that combines both structural efficiency and architectural beauty inspired by nature.

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