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Dynamic analysis of elastic and viscoelastic FGM rectangular plates.

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Title: Dynamic analysis of elastic and viscoelastic FGM rectangular plates.
Authors: Noori, Masihullah1 (AUTHOR), Noori, Ahmad Reshad1 (AUTHOR) arnoori@gelisim.edu.tr
Source: Noise & Vibration Worldwide. Jun/Jul2026, Vol. 57 Issue 6/7, p427-441. 15p.
Subjects: Functionally gradient materials, Viscoelasticity, Free vibration, Damping (Mechanics), Shear (Mechanics), Mechanical vibration research, Finite element method, Rectangular plates (Engineering)
Abstract: The main objective of this paper is to employ a finite element analysis for the free and forced vibration response of functionally graded material (FGM) rectangular plates with several boundary conditions in ANSYS. The material is assumed to be linear elastic and vary continuously in the thickness direction. The shear deformation is considered via the first-order shear deformation theory. The viscoelastic behavior of the plates is predicted by using the Kelvin damping method. In the case of forced vibration, step loads and impulsive loads are implemented. The optimum number of layers for the discretization of FGM plates is determined to obtain the natural frequencies and forced vibration characteristics. Moreover, the influence of several parameters, such as material gradient index, boundary condition, damping ratio, and loading type, on the dynamic behaviors of FGM rectangular plates is discussed. Results show that increasing the material gradient index raises the period and amplitude of dynamic responses, while boundary conditions exert a comparatively smaller influence. Additionally, fewer layers are sufficient for accurate transient response prediction than for natural frequency analysis. [ABSTRACT FROM AUTHOR]
Copyright of Noise & Vibration Worldwide is the property of Sage Publications Inc. 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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  Data: Dynamic analysis of elastic and viscoelastic FGM rectangular plates.
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  Data: <searchLink fieldCode="AR" term="%22Noori%2C+Masihullah%22">Noori, Masihullah</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Noori%2C+Ahmad+Reshad%22">Noori, Ahmad Reshad</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> arnoori@gelisim.edu.tr</i>
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  Data: <searchLink fieldCode="JN" term="%22Noise+%26+Vibration+Worldwide%22">Noise & Vibration Worldwide</searchLink>. Jun/Jul2026, Vol. 57 Issue 6/7, p427-441. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Functionally+gradient+materials%22">Functionally gradient materials</searchLink><br /><searchLink fieldCode="DE" term="%22Viscoelasticity%22">Viscoelasticity</searchLink><br /><searchLink fieldCode="DE" term="%22Free+vibration%22">Free vibration</searchLink><br /><searchLink fieldCode="DE" term="%22Damping+%28Mechanics%29%22">Damping (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Shear+%28Mechanics%29%22">Shear (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+vibration+research%22">Mechanical vibration research</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Rectangular+plates+%28Engineering%29%22">Rectangular plates (Engineering)</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: The main objective of this paper is to employ a finite element analysis for the free and forced vibration response of functionally graded material (FGM) rectangular plates with several boundary conditions in ANSYS. The material is assumed to be linear elastic and vary continuously in the thickness direction. The shear deformation is considered via the first-order shear deformation theory. The viscoelastic behavior of the plates is predicted by using the Kelvin damping method. In the case of forced vibration, step loads and impulsive loads are implemented. The optimum number of layers for the discretization of FGM plates is determined to obtain the natural frequencies and forced vibration characteristics. Moreover, the influence of several parameters, such as material gradient index, boundary condition, damping ratio, and loading type, on the dynamic behaviors of FGM rectangular plates is discussed. Results show that increasing the material gradient index raises the period and amplitude of dynamic responses, while boundary conditions exert a comparatively smaller influence. Additionally, fewer layers are sufficient for accurate transient response prediction than for natural frequency analysis. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Noise & Vibration Worldwide is the property of Sage Publications Inc. 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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        Value: 10.1177/09574565261419547
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      – Code: eng
        Text: English
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        PageCount: 15
        StartPage: 427
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      – SubjectFull: Functionally gradient materials
        Type: general
      – SubjectFull: Viscoelasticity
        Type: general
      – SubjectFull: Free vibration
        Type: general
      – SubjectFull: Damping (Mechanics)
        Type: general
      – SubjectFull: Shear (Mechanics)
        Type: general
      – SubjectFull: Mechanical vibration research
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Rectangular plates (Engineering)
        Type: general
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      – TitleFull: Dynamic analysis of elastic and viscoelastic FGM rectangular plates.
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            NameFull: Noori, Masihullah
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            NameFull: Noori, Ahmad Reshad
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            – D: 01
              M: 06
              Text: Jun/Jul2026
              Type: published
              Y: 2026
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              Value: 57
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              Value: 6/7
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            – TitleFull: Noise & Vibration Worldwide
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