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Related Experiment Videos

Analysis of tensioned membrane structures considering cable sliding.

Chang-yong Song1

  • 1Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China. cysong@civil.zju.edu.cn

Journal of Zhejiang University. Science
|October 21, 2003
PubMed
Summary

Cable sliding in tensioned membrane structures has minimal impact on shape and stress. However, it significantly influences the dynamic behavior of these structures, a crucial factor for design.

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Area of Science:

  • Structural Engineering
  • Computational Mechanics
  • Finite Element Analysis

Background:

  • Tensioned membrane structures are typically designed with space membrane and cable elements, assuming no relative movement.
  • Large deflections in these structures make sliding between membrane and cables a practical reality.
  • Existing design methodologies may not fully account for the consequences of this inevitable sliding.

Purpose of the Study:

  • To investigate the influence of cable sliding on the membrane surface on the structural behavior of tensioned membrane structures.
  • To compare the effects of free sliding versus sliding with friction.
  • To assess the impact on structural shape, stress distribution, and dynamic characteristics.

Main Methods:

  • Utilized the general finite element code ABAQUS for analysis.

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  • Developed three distinct analysis models: node-sharing, free sliding, and sliding with friction.
  • Employed a surface-based contact algorithm to simulate the sliding phenomenon.

    • Main Results:

    • Cable sliding exhibited minimal influence on the overall structure shape.
    • Stress distributions within the membrane showed only slight variations due to cable sliding.
    • The primary impact of cable sliding was observed in the dynamic behavior of the structures.

    Conclusions:

    • While cable sliding has a limited effect on static responses like shape and stress, its role in dynamic behavior is significant.
    • The findings suggest that dynamic analysis should explicitly consider cable-membrane interaction, including friction.
    • This research provides valuable insights for more accurate design and analysis of tensioned membrane structures.