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h-p finite element vibration analysis of side cracked rectangular nano-plates based on nonlocal elasticity theory

  • B. ZaouaguiEmail author
  • S. A. Belalia
  • A. Boukhalfa
Regular Article

Abstract.

The h-p version of the finite element method based on a quadrilateral p-element is applied to free vibration analysis of side cracked nano plates. The h-p version of the finite element method marries both the concepts of the conventional h-version and the p-version. The accuracy of the solution is sought by simultaneously refining the mesh and increasing the polynomial order in each element. The formulation takes into account shear deformation, rotary inertia, and non-local elasticity theory. The proposed model is compared to various analytical, numerical and experimental results to validate it’s accuracy and efficiency, computationally expensive preprocessing tasks are avoided due to hierarchic refining strategy that requires no re-meshing when changing crack parameters. The effects of plate aspect ratio, side-to-thickness ratio, non-local parameter, boundary conditions, crack length and crack angle on the free vibration analysis of side cracked nano plates is discussed and presented for the first time.

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Copyright information

© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Laboratory of Computational Mechanics, Department of Mechanical Engineering, Faculty of TechnologyUniversity of TlemcenTlemcenAlgeria

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