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Mechanism and Parametric Study of Double-Layer Multibar Tensegrity Structures.

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Title: Mechanism and Parametric Study of Double-Layer Multibar Tensegrity Structures.
Authors: Lu, Jinxin1 (AUTHOR) lujinxin@hrbeu.edu.cn, Liu, Heping2 (AUTHOR) liuheping@hrbeu.edu.cn, Xing, Guangzhen1 (AUTHOR) xingguangzhen@hrbeu.edu.cn, Liu, Tao1 (AUTHOR) hong@hrbeu.edu.cn, Luo, Ani3 (AUTHOR) luoani@hrbeu.edu.cn
Source: Journal of Engineering Mechanics. Jul2026, Vol. 152 Issue 7, p1-11. 11p.
Subjects: Tensegrity (Engineering), Particle swarm optimization, Structural analysis (Engineering), Mechanical behavior of materials, Tensile architecture, Modular design, Equilibrium
Abstract: This study investigates the construction mechanism of double-layer multibar tensegrity structures through comprehensive analytical and computational approaches. By developing a systematic splicing strategy for basic structural units, we establish the nonlinear equilibrium equations governing these complex systems. The self-stressed equilibrium parameters are numerically determined using particle swarm optimization, revealing fundamental relationships among structural configuration, the number of bars, and the scale parameters. Our analysis characterizes the mapping relationships between key geometric parameters (including horizontal surface radius ratio, overlap ratio, and bar count) and resulting mechanical properties. The results demonstrate that these double-layer structures exhibit pronounced symmetric characteristics similar to prismatic tensegrity units. The main factors that affect the stiffness of the structure include horizontal surface radius ratio, overlap ratio, prestress number of bars, and configuration. Importantly, this work elucidates the structural response mechanism under multiparameter coupling conditions, establishing a universal theoretical framework that enables systematic modular design and performance optimization of complex tensegrity systems. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Engineering Mechanics is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 193805295
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Mechanism and Parametric Study of Double-Layer Multibar Tensegrity Structures.
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  Data: <searchLink fieldCode="AR" term="%22Lu%2C+Jinxin%22">Lu, Jinxin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lujinxin@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Heping%22">Liu, Heping</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> liuheping@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Xing%2C+Guangzhen%22">Xing, Guangzhen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xingguangzhen@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Tao%22">Liu, Tao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hong@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Luo%2C+Ani%22">Luo, Ani</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> luoani@hrbeu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Engineering+Mechanics%22">Journal of Engineering Mechanics</searchLink>. Jul2026, Vol. 152 Issue 7, p1-11. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Tensegrity+%28Engineering%29%22">Tensegrity (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+swarm+optimization%22">Particle swarm optimization</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+analysis+%28Engineering%29%22">Structural analysis (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Tensile+architecture%22">Tensile architecture</searchLink><br /><searchLink fieldCode="DE" term="%22Modular+design%22">Modular design</searchLink><br /><searchLink fieldCode="DE" term="%22Equilibrium%22">Equilibrium</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study investigates the construction mechanism of double-layer multibar tensegrity structures through comprehensive analytical and computational approaches. By developing a systematic splicing strategy for basic structural units, we establish the nonlinear equilibrium equations governing these complex systems. The self-stressed equilibrium parameters are numerically determined using particle swarm optimization, revealing fundamental relationships among structural configuration, the number of bars, and the scale parameters. Our analysis characterizes the mapping relationships between key geometric parameters (including horizontal surface radius ratio, overlap ratio, and bar count) and resulting mechanical properties. The results demonstrate that these double-layer structures exhibit pronounced symmetric characteristics similar to prismatic tensegrity units. The main factors that affect the stiffness of the structure include horizontal surface radius ratio, overlap ratio, prestress number of bars, and configuration. Importantly, this work elucidates the structural response mechanism under multiparameter coupling conditions, establishing a universal theoretical framework that enables systematic modular design and performance optimization of complex tensegrity systems. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Engineering Mechanics is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1061/JENMDT.EMENG-8820
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 1
    Subjects:
      – SubjectFull: Tensegrity (Engineering)
        Type: general
      – SubjectFull: Particle swarm optimization
        Type: general
      – SubjectFull: Structural analysis (Engineering)
        Type: general
      – SubjectFull: Mechanical behavior of materials
        Type: general
      – SubjectFull: Tensile architecture
        Type: general
      – SubjectFull: Modular design
        Type: general
      – SubjectFull: Equilibrium
        Type: general
    Titles:
      – TitleFull: Mechanism and Parametric Study of Double-Layer Multibar Tensegrity Structures.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Lu, Jinxin
      – PersonEntity:
          Name:
            NameFull: Liu, Heping
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            NameFull: Xing, Guangzhen
      – PersonEntity:
          Name:
            NameFull: Liu, Tao
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          Name:
            NameFull: Luo, Ani
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          Dates:
            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 07339399
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              Value: 152
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              Value: 7
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            – TitleFull: Journal of Engineering Mechanics
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