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


IASS Symposium 2016

SESSION: Tension & Membrane Structures

The analysis of configuration and structural stability of 8-bars tensegrity prism

< 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: The analysis of configuration and structural stability of 8-bars tensegrity prism
  • Author(s): Pengfei Cao, Ani Luo, Chengxu Wu, Jinsong Geng, You Lu
  • Keywords: tensegrity prism, internal forces density, equilibrium matrix, stability
Abstract
This article focus on the construction method and criteria for geometrical stability of the tensegrity prism with 8 bars. According to geometric parameters of the tensegrity, mathematical model of the tensegrity can be built up with the use of generalized coordinate matrix of the nodes and connection matrix. Then, according to forces in member and force density in member, the criteria for geometrical stability of the structure is analyzed by building the force equilibrium equation. After the equilibrium equation is analyzed, stable tensegrity prism and corresponding variation range of geometrical parameters will be found. The method used in this article can be used when other basic tensegrity structure are analyzed.

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