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Buckling Resistance of Sandwich Cylindrical Shell with Porosity-Dependent GPLRC Core and Metallic Face Sheets.

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Title: Buckling Resistance of Sandwich Cylindrical Shell with Porosity-Dependent GPLRC Core and Metallic Face Sheets.
Authors: Su, Zhuyong1 (AUTHOR) suzhuyong121@gmail.com, Li, Linjun2,3 (AUTHOR) Linjunli11@outlook.com, Ren, Bo3 (AUTHOR), Alashker, Yasser4,5 (AUTHOR)
Source: International Journal of Structural Stability & Dynamics. 4/30/2026, Vol. 26 Issue 9, p1-28. 28p.
Subjects: Cylindrical shells, Composite materials, Shear (Mechanics), Gaussian processes, Mechanical buckling, Sheet metal
Abstract: Owing to the exceptional qualities of nanocomposite materials and the vast array of applications for porous lightweight structures, combining them results in structures that are both rigid and lightweight. Therefore, this work examines the buckling resistance of a porous cylindrical shell with graphene platelets reinforced composite (GPLRC) that is supported by a Pasternak substrate that can withstand normal and shear stresses and is sandwiched between two metal face sheets. Based on predetermined functionality, the configuration of the pores and the distribution of GPLs within the core are examined. The effective mechanical properties of the core of the shell are obtained by incorporating the Gaussian random field model for closed cellular solids with micromechanical models like Halpin-Tsai and the extended rule of mixture. An analytical method designed for shells with simply supported edges is used to generate critical buckling loads using equilibrium equations derived from a higher-order shear deformation theory. The study thoroughly evaluates how different factors affect the outcomes. The results showed that the largest values of critical buckling loads were obtained from the symmetric pattern of pore distribution, which outperformed the uniform and non-symmetric patterns. Critical buckling stresses also increased as the weight fraction of GPLs increased. The results have practical implications for sectors using cylindrical shells and could be used as a standard for similar studies in the future. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Structural Stability & Dynamics is the property of World Scientific Publishing Company 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
An: 192085634
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Buckling Resistance of Sandwich Cylindrical Shell with Porosity-Dependent GPLRC Core and Metallic Face Sheets.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Su%2C+Zhuyong%22">Su, Zhuyong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> suzhuyong121@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Linjun%22">Li, Linjun</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<i> Linjunli11@outlook.com</i><br /><searchLink fieldCode="AR" term="%22Ren%2C+Bo%22">Ren, Bo</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alashker%2C+Yasser%22">Alashker, Yasser</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Structural+Stability+%26+Dynamics%22">International Journal of Structural Stability & Dynamics</searchLink>. 4/30/2026, Vol. 26 Issue 9, p1-28. 28p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Cylindrical+shells%22">Cylindrical shells</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+materials%22">Composite materials</searchLink><br /><searchLink fieldCode="DE" term="%22Shear+%28Mechanics%29%22">Shear (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Gaussian+processes%22">Gaussian processes</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+buckling%22">Mechanical buckling</searchLink><br /><searchLink fieldCode="DE" term="%22Sheet+metal%22">Sheet metal</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Owing to the exceptional qualities of nanocomposite materials and the vast array of applications for porous lightweight structures, combining them results in structures that are both rigid and lightweight. Therefore, this work examines the buckling resistance of a porous cylindrical shell with graphene platelets reinforced composite (GPLRC) that is supported by a Pasternak substrate that can withstand normal and shear stresses and is sandwiched between two metal face sheets. Based on predetermined functionality, the configuration of the pores and the distribution of GPLs within the core are examined. The effective mechanical properties of the core of the shell are obtained by incorporating the Gaussian random field model for closed cellular solids with micromechanical models like Halpin-Tsai and the extended rule of mixture. An analytical method designed for shells with simply supported edges is used to generate critical buckling loads using equilibrium equations derived from a higher-order shear deformation theory. The study thoroughly evaluates how different factors affect the outcomes. The results showed that the largest values of critical buckling loads were obtained from the symmetric pattern of pore distribution, which outperformed the uniform and non-symmetric patterns. Critical buckling stresses also increased as the weight fraction of GPLs increased. The results have practical implications for sectors using cylindrical shells and could be used as a standard for similar studies in the future. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Structural Stability & Dynamics is the property of World Scientific Publishing Company 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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    Identifiers:
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        Value: 10.1142/S0219455426500616
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      – Code: eng
        Text: English
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        PageCount: 28
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      – SubjectFull: Cylindrical shells
        Type: general
      – SubjectFull: Composite materials
        Type: general
      – SubjectFull: Shear (Mechanics)
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      – SubjectFull: Gaussian processes
        Type: general
      – SubjectFull: Mechanical buckling
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      – SubjectFull: Sheet metal
        Type: general
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      – TitleFull: Buckling Resistance of Sandwich Cylindrical Shell with Porosity-Dependent GPLRC Core and Metallic Face Sheets.
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            NameFull: Su, Zhuyong
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            NameFull: Li, Linjun
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            NameFull: Ren, Bo
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            – D: 30
              M: 04
              Text: 4/30/2026
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              Y: 2026
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