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


IASS Symposium 2016

SESSION: Computational Methods

Dynamic analysis method for cable rupture in consideration of frictional sliding at cable joint

< Table of Contents for Computational Methods
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Computational Methods
  • Pages: 9
  • Title: Dynamic analysis method for cable rupture in consideration of frictional sliding at cable joint
  • Author(s): Yujie Yu, Xiaoxiang Wang, Zhihua Chen
  • Keywords: sliding cable, explicit solving framework, cable-supported structure, gradual sliding, cable break
Abstract
The cable system in cable supported structures usually bears high tension forces that the clip joints may unable to resist joint slip when experiencing sudden cable breaks. An advanced finite element analyzing method with considering the dynamic cable sliding effect is proposed and presented. The method supposes that the structure is a system constructed by a group of mass particles that are formed by mass lumping and connected by intermediate elements. The method mainly focuses on the force equilibrium of each particle, which is especially suitable for dynamic sliding or failure problems that involves a time-varying structural stiffness matrix. By using different changing pattern of active loads, the method can be used to simulate both strong dynamic responses and gradually changing process. This advanced analyzing method is realized in MATLAB, and used to simulate the dynamic response under gradual sliding process and sudden cable break for a cable supported truss.

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