Particle-spring method for form finding grid shell structures consisting of flexible members

Journal article (2012)
Department
Structural Engineering (CEG) (TU Delft)
Copyright: © 2012 The Author(s)
Design tool Form finding Timber Large deformations Grid shell Particle-springs Dynamic relaxation
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Published Date

31-03-2012

Reuse Rights

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Source:

Journal of the International Association for Shell and Spatial Structures, 53 (1), 2012

ISSN:

1028-365X

Faculty

Civil Engineering and Geosciences

Department

Structural Engineering

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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