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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: Graphic Statics

Vector-Based 3D graphic statics (Part III): Designing with Combinatorial Equilibrium Modelling

< Table of Contents for Graphic Statics
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Graphic Statics
  • Pages: 10
  • Title: Vector-Based 3D graphic statics (Part III): Designing with Combinatorial Equilibrium Modelling
  • Author(s): Patrick Ole Ohlbrock, Pierluigi D'Acunto, Jean-Philippe Jasienski, Corentin Fivet
  • Keywords: equilibrium, combinatorial state, topology, force-pattern-based design, form-finding, interactive structural design
Abstract
This paper presents an extension of the graphic-statics-based framework called Combinatorial Equilibrium Modelling (CEM). CEM allows for the generation of topologically and combinatorially different spatial equilibrium solutions in the early explorative design phase. In addition to the form and the force diagrams, CEM introduces a topological diagram, which enables the possibility to easily adjust the connectivity of the structure, the combinatorial state (tension-compression) as well as the static action (product of each element's length and its corresponding force magnitude) of its inner forces. Thanks to its planarity, the topological diagram is always visually readable, comprehensible and easy to control, even in case of complex spatial structures. This innovative approach has the potential to find novel spatial networks in which the intrinsic structural properties can be controlled by the designer with simple visual operations.

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