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Stiffness properties of "star" tensegrity structures under the compressive loading.

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Title: Stiffness properties of "star" tensegrity structures under the compressive loading.
Authors: Luo, Ani1 (AUTHOR) luoani@hrbeu.edu.cn, Xing, Guangzhen1 (AUTHOR) xingguangzhen@hrbeu.edu.cn, Liu, Heping1 (AUTHOR) liuheping@hrbeu.edu.cn, Cao, Ziying1 (AUTHOR) 2398367022@qq.com, Lu, Jinxin1 (AUTHOR) 15111253200@163.com, Feng, Yaming1 (AUTHOR) yamingfeng@foxmail.com, Liu, Tao1 (AUTHOR) hong@hrbeu.edu.cn
Source: Engineering Computations. 2025, Vol. 42 Issue 9, p3636-3655. 20p.
Subjects: Stiffness (Mechanics), Tensegrity (Engineering), Compression loads, Strains & stresses (Mechanics), Multidisciplinary design optimization, Deformations (Mechanics)
Abstract: Purpose: This paper proposes a method for analyzing structural deformation under axial load, using "star" tensegrity structures as the research object. The approach simplifies the calculation process by solving a nonlinear force-density equation with only three variables: height, radius and twist angle. Design/methodology/approach: The geometrical parameters of the loaded structure are obtained by solving the nonlinear force-density equation. Structural stiffness is analyzed under different prestress levels, complexities and connection modes. By defining the rates of change of twist angle and height, the relative structural deformations of different "star" tensegrity structures are compared under various loading conditions, including those with and without gravity. Findings: The results show that prestress has a significant impact on structural stiffness, with higher prestress leading to improved stiffness. However, increased structural complexity and certain connection mode variations lead to reduced stiffness. Among the analyzed structures, the three-bar "star" structure exhibits the best stiffness with the smallest relative deformation. Deformation under gravity is generally greater than in the absence of gravity, and the influence of gravity intensifies as the number of bars increases. Compared to a tensegrity prism, the "star" structure offers greater geometric flexibility and higher deformability. Originality/value: This paper provides theoretical references and insights for the design and optimization of "star" tensegrity structures in practical applications. [ABSTRACT FROM AUTHOR]
Copyright of Engineering Computations is the property of Emerald Publishing Limited 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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Header DbId: egs
DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: Stiffness properties of "star" tensegrity structures under the compressive loading.
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  Data: <searchLink fieldCode="AR" term="%22Luo%2C+Ani%22">Luo, Ani</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> luoani@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+Heping%22">Liu, Heping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> liuheping@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Cao%2C+Ziying%22">Cao, Ziying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 2398367022@qq.com</i><br /><searchLink fieldCode="AR" term="%22Lu%2C+Jinxin%22">Lu, Jinxin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 15111253200@163.com</i><br /><searchLink fieldCode="AR" term="%22Feng%2C+Yaming%22">Feng, Yaming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yamingfeng@foxmail.com</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Tao%22">Liu, Tao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hong@hrbeu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Engineering+Computations%22">Engineering Computations</searchLink>. 2025, Vol. 42 Issue 9, p3636-3655. 20p.
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  Data: <searchLink fieldCode="DE" term="%22Stiffness+%28Mechanics%29%22">Stiffness (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Tensegrity+%28Engineering%29%22">Tensegrity (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Compression+loads%22">Compression loads</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Multidisciplinary+design+optimization%22">Multidisciplinary design optimization</searchLink><br /><searchLink fieldCode="DE" term="%22Deformations+%28Mechanics%29%22">Deformations (Mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose: This paper proposes a method for analyzing structural deformation under axial load, using "star" tensegrity structures as the research object. The approach simplifies the calculation process by solving a nonlinear force-density equation with only three variables: height, radius and twist angle. Design/methodology/approach: The geometrical parameters of the loaded structure are obtained by solving the nonlinear force-density equation. Structural stiffness is analyzed under different prestress levels, complexities and connection modes. By defining the rates of change of twist angle and height, the relative structural deformations of different "star" tensegrity structures are compared under various loading conditions, including those with and without gravity. Findings: The results show that prestress has a significant impact on structural stiffness, with higher prestress leading to improved stiffness. However, increased structural complexity and certain connection mode variations lead to reduced stiffness. Among the analyzed structures, the three-bar "star" structure exhibits the best stiffness with the smallest relative deformation. Deformation under gravity is generally greater than in the absence of gravity, and the influence of gravity intensifies as the number of bars increases. Compared to a tensegrity prism, the "star" structure offers greater geometric flexibility and higher deformability. Originality/value: This paper provides theoretical references and insights for the design and optimization of "star" tensegrity structures in practical applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Engineering Computations is the property of Emerald Publishing Limited 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:
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      – Type: doi
        Value: 10.1108/EC-03-2025-0202
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      – Code: eng
        Text: English
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        PageCount: 20
        StartPage: 3636
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      – SubjectFull: Stiffness (Mechanics)
        Type: general
      – SubjectFull: Tensegrity (Engineering)
        Type: general
      – SubjectFull: Compression loads
        Type: general
      – SubjectFull: Strains & stresses (Mechanics)
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      – SubjectFull: Multidisciplinary design optimization
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      – SubjectFull: Deformations (Mechanics)
        Type: general
    Titles:
      – TitleFull: Stiffness properties of "star" tensegrity structures under the compressive loading.
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            NameFull: Luo, Ani
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            NameFull: Lu, Jinxin
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            – D: 01
              M: 11
              Text: 2025
              Type: published
              Y: 2025
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              Value: 42
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