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


IASS Symposium 2016

SESSION: Metal Spatial Structures

Refined Finite Element Analysis on the Static Performance of Tubular Truss

< Table of Contents for Metal Spatial Structures
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Metal Spatial Structures
  • Pages: 8
  • Title: Refined Finite Element Analysis on the Static Performance of Tubular Truss
  • Author(s): Lei Gu, Jin Hui, Jinghui Liang, Fang Wu
  • Keywords: tubular truss structure, tubular joint, joint stiffening, refined FEM
Abstract
In this paper, plane tubular truss model and space tubular truss model, with tubular joint, were built using the SHELL181 element of ANSYS. The comparison between these refined finite element method and traditional analysis those used the BEAM189 element was concluded and the refined results revealed the plastic stress distribution and joint failure mode of tubular truss at the limit of damage, then the parametric analysis based on different joint stiffening methods was studied. The research indicated that using joint plate to strengthen or increasing the tube-wall thickness of main chord to 1.5-2 times, the tubular joint can be considered as rigid joint, but the defection of inner clapboard was not obvious.

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