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Random vibration analysis of functionally graded sandwich plates with different skin layers subjected to double explosive load: mathematical model with numerical solution proposition

Pham, Q.H. and Hoang, N.T. and Tran, T.T. and Zenkour, A.M. (2024) Random vibration analysis of functionally graded sandwich plates with different skin layers subjected to double explosive load: mathematical model with numerical solution proposition. Archives of Civil and Mechanical Engineering, 24 (4). ISSN 16449665

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Abstract

This paper introduces the Monte Carlo simulation (MCS) procedure in combination with an effective finite element method (FEM) based on the refined first-order shear deformation theory (r-FSDT) to examine the random vibration of functionally graded sandwich (FGS) plates with different skin layers subjected to double explosive load (DEL). In the stochastic design methodology, the formulation of the state function for design conditions commonly involves integrating random input parameters, assumed distribution functions, and the stochastic responses derived from problem models. The motion equation of the FGS plate is derived by using Hamilton’s principle. Then, the Newmark-beta method is applied to solve linear second-order ordinary differential equations. Finally, the random vibration of the FGS plate is studied by considering the normal distribution parameters. In general, this research tries to shed light on the effects of geometric parameters and material properties and guide the design of FGS plates subjected to double explosive load with uncertain input parameters. © Wroclaw University of Science and Technology 2024.

Item Type: Article
Divisions: Offices > Office of International Cooperation
Identification Number: 10.1007/s43452-024-01027-z
Uncontrolled Keywords: Equations of motion; Monte Carlo methods; Ordinary differential equations; Sandwich structures; Shear deformation; Shear flow; Stochastic models; Vibration analysis, Explosive loads; First-order shear deformation theory; Functionally graded; Functionally graded sandwich plate; Input parameter; Monte Carlo's simulation; Random vibrations; Refined first-order shear deformation theory; Sandwich plates; Skin layer, Finite element method
URI: http://eprints.lqdtu.edu.vn/id/eprint/11412

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