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Vol. 53 (2012) No. 1 March n. 171


Particle-Spring Method for Form Finding Grid Shell Structures Consisting of Flexible Members

< Table of Contents for Vol. 53 (2012) No. 1 March n. 171
  • 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. 53 (2012) No. 1 March n. 171
  • Pages: 31-38
  • Title: Particle-Spring Method for Form Finding Grid Shell Structures Consisting of Flexible Members
  • Author(s): M. Kuijvenhoven and P.C.J. Hoogenboom
  • Keywords: grid shell, form finding, design tool, timber, particle-springs, dynamic relaxation, large deformations
Abstract
In this paper a general design method is described that can significantly reduce the effort needed for form finding grid shells consisting of flexible members. This design method is based on particle-spring models for simulating the behaviour of a grid shell during construction. Hereby, the stress limitations that follow from the material properties are taken into account to modify the grid shell geometry with a minimal deviation from a pre-defined target shape. It is demonstrated how a simple design tool can generate the geometry, internal forces and the support reactions with satisfactory accuracy.

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