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


IASS Symposium 2016

SESSION: Tension & Membrane Structures

Experimental validation of a foldable kinematic fabric structure

< Table of Contents for Tension & Membrane Structures
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Tension & Membrane Structures
  • Pages: 10
  • Title: Experimental validation of a foldable kinematic fabric structure
  • Author(s): Maarten Van Craenenbroeck, Silke Puystiens, Lars De Laet, Danny Van Hemelrijck, Wim Van Paepegem, Marijke Mollaert
  • Keywords: kinematic structures, fabric structures, adaptable structures, numerical simulation, experimental validation, digital image correlation
Abstract
The inherent flexibility of fabrics makes them a very suitable construction for lightweight adaptable structures.This paper focuses on the experimental verification of a kinematic fabric prototype by comparing the experimental force and strain results to the predictions made by numerical model utilizing a linear elastic orthotropic material model.The conducted comparison showed large differences in absolute values for both forces and strains. However, the general behaviour of the prototype was approximated quite well and most deviations could be attributed to the numerical model not taking into account the compensation applied to the fabric nor the permanent deformation of the boundary belts.Further research on this topic will focus on modelling the prototype using more advanced material models attempting to increase the accuracy of the numerical predictions. However, the research presented in this paper already shows that even simple analysis methods can be used to design kinematic fabric structures to some extent.

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