Nonlinear vibration of laminated piezoelectric layered plates with nonlinear viscoelastic support using different DQM techniques

Faculty Engineering Year: 2024
Type of Publication: ZU Hosted Pages:
Authors:
Journal: Steel and Composite Structures TECHNO-PRESS Volume:
Keywords : Nonlinear vibration , laminated piezoelectric layered plates    
Abstract:
This work presents the effectiveness of differential quadrature shape functions (i.e., Lagrange interpolation polynomial, Cardinal sine function, Delta Lagrange kernel and Regularized Shannon kernel) in the solution of nonlinear vibration of multilayers piezoelectric plates with nonlinear elastic support. A piezoelectric composite laminated plate is rested on nonlinear Winkler and Visco-Pasternak elastic foundations problems. Based on 3D elasticity theory and piezoelectricity, the governing equations of motion are derived. Differential quadrature methods based on four shape functions are presented as numerical techniques for solving this problem. The perturbation method is implemented to solve the obtained nonlinear eigenvalue problem. A MATLAB code is written for each technique for solving this problem and extract the numerical results. To validate these methods, the computed results are we compare with the previous exact results. In addition, parametric analyses are offered to investigate the influence of length to thickness ratio, elastic foundation parameters, various boundary conditions, and piezoelectric layers thickness on the natural frequencies and mode shapes. Consequently, it is discovered that the obtained results via the proposed schemes can be applied in structural health monitoring.
   
     
 
       

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  • Ola Ragab Abdou Mohamed, "Analysis of Composite Plates Using Moving Least Squares Differential Quadrature Method", Science Direct, 2014 More
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  • Ola Ragab Abdou Mohamed, "Quadrature Analysis of Functionally Graded Materials", IJET-IJENS, 2014 More
  • Ola Ragab Abdou Mohamed, "Natural frequencies of a functionally graded cracked beam using the differential quadrature method", Science Direct, 2009 More
  • Ola Ragab Abdou Mohamed, "Vibration analysis of structural elements using differential quadrature method", Cairo University, 2012 More

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