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Stationary Stochastic Response Behaviors of FG Plate–Shell Combined Structure in Aero-Thermal Environment.

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Title: Stationary Stochastic Response Behaviors of FG Plate–Shell Combined Structure in Aero-Thermal Environment.
Authors: Gao, Xiansong1,2 (AUTHOR), Zhong, Rui1,2 (AUTHOR) ruizhong@csu.edu.cn, Liu, Xinxiang1,2 (AUTHOR), Wang, Qingshan1,2 (AUTHOR) qingshanwang@csu.edu.cn, Xu, Hailiang1,2 (AUTHOR)
Source: International Journal of Structural Stability & Dynamics. 8/15/2024, Vol. 24 Issue 15, p1-30. 30p.
Subjects: Shear (Mechanics), Random vibration, Aerodynamic load, Free vibration, Cylindrical shells
Abstract: A meshless model is proposed to carry out the free and stationary stochastic vibration analysis of the functionally graded combined rectangular and cylindrical shells (FG-CRCS) structure under the aerodynamic and thermal environment. The FG-CRCS structure contains three combined structure types including rectangular–cylindrical shell (RC-type), cylindrical–rectangular–cylindrical shell (CRC-type), and closed rectangular–semicylindrical shell (CRS-type). The effects of aerodynamic and thermal loads on the dynamic behaviors of the FG-CRCS structure with temperature-dependency of material properties are investigated by introducing the supersonic piston theory and thermo-elastic theory. Furthermore, the pseudo-excitation method (PEM) is adopted to simulate the random loads applied to the FG-CRCS structure. The dynamic equations of the FG-CRCS structure are established in the theoretical frame of the first-order shear deformation theory (FSDT), whose general boundary conditions and coupling relationship are regulated by the artificial springs. Then, the reasonableness of this meshless model to predict free and random vibrations in aerodynamic and thermal environments is verified by comparing it with published literature and FEM results. On this basis, the contribution of essential parameters (including the aerodynamic load, thermal load, and boundary condition) on the free and random vibration behaviors of the FG-CRCS structure is presented, which may serve as guidance for the design of the plate–shell coupled structures in aerospace. [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: 178853724
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Stationary Stochastic Response Behaviors of FG Plate–Shell Combined Structure in Aero-Thermal Environment.
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  Data: <searchLink fieldCode="AR" term="%22Gao%2C+Xiansong%22">Gao, Xiansong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhong%2C+Rui%22">Zhong, Rui</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> ruizhong@csu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Xinxiang%22">Liu, Xinxiang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Qingshan%22">Wang, Qingshan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> qingshanwang@csu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Xu%2C+Hailiang%22">Xu, Hailiang</searchLink><relatesTo>1,2</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>. 8/15/2024, Vol. 24 Issue 15, p1-30. 30p.
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  Data: <searchLink fieldCode="DE" term="%22Shear+%28Mechanics%29%22">Shear (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Random+vibration%22">Random vibration</searchLink><br /><searchLink fieldCode="DE" term="%22Aerodynamic+load%22">Aerodynamic load</searchLink><br /><searchLink fieldCode="DE" term="%22Free+vibration%22">Free vibration</searchLink><br /><searchLink fieldCode="DE" term="%22Cylindrical+shells%22">Cylindrical shells</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A meshless model is proposed to carry out the free and stationary stochastic vibration analysis of the functionally graded combined rectangular and cylindrical shells (FG-CRCS) structure under the aerodynamic and thermal environment. The FG-CRCS structure contains three combined structure types including rectangular–cylindrical shell (RC-type), cylindrical–rectangular–cylindrical shell (CRC-type), and closed rectangular–semicylindrical shell (CRS-type). The effects of aerodynamic and thermal loads on the dynamic behaviors of the FG-CRCS structure with temperature-dependency of material properties are investigated by introducing the supersonic piston theory and thermo-elastic theory. Furthermore, the pseudo-excitation method (PEM) is adopted to simulate the random loads applied to the FG-CRCS structure. The dynamic equations of the FG-CRCS structure are established in the theoretical frame of the first-order shear deformation theory (FSDT), whose general boundary conditions and coupling relationship are regulated by the artificial springs. Then, the reasonableness of this meshless model to predict free and random vibrations in aerodynamic and thermal environments is verified by comparing it with published literature and FEM results. On this basis, the contribution of essential parameters (including the aerodynamic load, thermal load, and boundary condition) on the free and random vibration behaviors of the FG-CRCS structure is presented, which may serve as guidance for the design of the plate–shell coupled structures in aerospace. [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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        Value: 10.1142/S0219455424501645
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      – Code: eng
        Text: English
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        PageCount: 30
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        Type: general
      – SubjectFull: Random vibration
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      – SubjectFull: Aerodynamic load
        Type: general
      – SubjectFull: Free vibration
        Type: general
      – SubjectFull: Cylindrical shells
        Type: general
    Titles:
      – TitleFull: Stationary Stochastic Response Behaviors of FG Plate–Shell Combined Structure in Aero-Thermal Environment.
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            NameFull: Gao, Xiansong
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            NameFull: Zhong, Rui
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            NameFull: Liu, Xinxiang
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            NameFull: Wang, Qingshan
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            NameFull: Xu, Hailiang
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            – D: 15
              M: 08
              Text: 8/15/2024
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              Y: 2024
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