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Application of DQHFEM for free and forced vibration, energy absorption, and post-buckling analysis of a hybrid nanocomposite viscoelastic rhombic plate assuming CNTs’ waviness and agglomeration by P.H. Wan; M.S.H. Al-Furjan; R. Kolahchi; L. Shan is a Engineering article available to read on EtoBox.

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Vibrations and stability responses are two mechanical characteristics of engineering materials that are highly important for designing new engineering structures. This numerical research deals with investigating the effects of reinforcing a hybrid nanocomposite viscoelastic rhombic plate with Carbon Nano-Tubes (CNTs) and Carbon Fibers (CFs) on the post-buckling behavior, free and forced vibration as well as energy absorption characteristics. The structure is located on a viscoelastic torsional fractional substrate. In addition, the influence of random distribution, waviness, and agglomeration of CNTs is analyzed using the Halpin-Tsai theory. The structural damping is based on the Kelvin-Voigt method and the structure model is created according to the first-order shear deformation theory. Four types of boundary conditions such as fixed, simply, and free-supported are considered for the structure model. To solve the governing equations, a novel approach known as the Differential Quadrature Hierarchical Finite Element Method (DQHFEM) is applied. The numerical achievements revealed that by reducing the skewness angle to 30°, decreasing the aspect ratio to 1, and increasing the CNTs wei

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Author

P.H. Wan; M.S.H. Al-Furjan; R. Kolahchi; L. Shan

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)