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The influence of membrane air spring cord parameters on the vertical stiffness.

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Title: The influence of membrane air spring cord parameters on the vertical stiffness.
Authors: Wang, Xufei1 wxf@snut.edu.cn, Xie, Zhiqiang1 xiezhiqiang@snut.edu.cn, Zhang, Ningchao1 zhangningchao@snut.edu.cn, Song, Jinde2 910425366@qq.com
Source: Journal of Vibroengineering. Jun2026, Vol. 28 Issue 4, p990-1006. 17p.
Subjects: Finite element method, Compression loads, Elastic modulus
Abstract: The membrane air spring possesses the advantage of variable vertical stiffness. However, under limited vertical installation space, further investigation is required to analyze how variations in the rubber airbag cord parameters influence the vertical stiffness of membrane air springs. A finite element model of a specific membrane air spring was developed. Under a compression displacement of 40 mm, the effects of parameters such as the number of rubber airbag cord layers, cord spacing, cord angle, and cord cross-sectional area on vertical stiffness were examined. The results indicate that vertical stiffness decreases with an increase in cord spacing or cord angle, but increases with greater cord cross-sectional area or number of cord layers. Subsequently, the orthogonal experimental method was applied to construct an L9 (34) orthogonal table, and the influence of the four cord parameters on the vertical stiffness of the membrane air spring under 40 mm compression displacement was analyzed. The findings revealed that vertical stiffness is least affected by cord angle and most affected by the number of cord layers. The variation trend of vertical stiffness was determined by fitting the optimal parameter combination. Finally, the combination of four cord parameters yielding the maximum vertical stiffness was evaluated when the compression displacement increased to 50 mm, providing a reference for air spring configuration design in confined spaces. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Vibroengineering is the property of Extrica 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.)
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An: 195026785
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  Data: The influence of membrane air spring cord parameters on the vertical stiffness.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Xufei%22">Wang, Xufei</searchLink><relatesTo>1</relatesTo><i> wxf@snut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Xie%2C+Zhiqiang%22">Xie, Zhiqiang</searchLink><relatesTo>1</relatesTo><i> xiezhiqiang@snut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Ningchao%22">Zhang, Ningchao</searchLink><relatesTo>1</relatesTo><i> zhangningchao@snut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Song%2C+Jinde%22">Song, Jinde</searchLink><relatesTo>2</relatesTo><i> 910425366@qq.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Vibroengineering%22">Journal of Vibroengineering</searchLink>. Jun2026, Vol. 28 Issue 4, p990-1006. 17p.
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  Data: <searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Compression+loads%22">Compression loads</searchLink><br /><searchLink fieldCode="DE" term="%22Elastic+modulus%22">Elastic modulus</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The membrane air spring possesses the advantage of variable vertical stiffness. However, under limited vertical installation space, further investigation is required to analyze how variations in the rubber airbag cord parameters influence the vertical stiffness of membrane air springs. A finite element model of a specific membrane air spring was developed. Under a compression displacement of 40 mm, the effects of parameters such as the number of rubber airbag cord layers, cord spacing, cord angle, and cord cross-sectional area on vertical stiffness were examined. The results indicate that vertical stiffness decreases with an increase in cord spacing or cord angle, but increases with greater cord cross-sectional area or number of cord layers. Subsequently, the orthogonal experimental method was applied to construct an L9 (34) orthogonal table, and the influence of the four cord parameters on the vertical stiffness of the membrane air spring under 40 mm compression displacement was analyzed. The findings revealed that vertical stiffness is least affected by cord angle and most affected by the number of cord layers. The variation trend of vertical stiffness was determined by fitting the optimal parameter combination. Finally, the combination of four cord parameters yielding the maximum vertical stiffness was evaluated when the compression displacement increased to 50 mm, providing a reference for air spring configuration design in confined spaces. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Vibroengineering is the property of Extrica 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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      – Type: doi
        Value: 10.21595/jve.2026.25874
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 17
        StartPage: 990
    Subjects:
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Compression loads
        Type: general
      – SubjectFull: Elastic modulus
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      – TitleFull: The influence of membrane air spring cord parameters on the vertical stiffness.
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            NameFull: Wang, Xufei
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            NameFull: Xie, Zhiqiang
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            NameFull: Zhang, Ningchao
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            NameFull: Song, Jinde
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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