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- Title
High frequency study functionally graded sandwich nanoplate with different skin layers resting on Pasternak foundation using higher-order IGA and nonlocal elasticity theory.
- Authors
Le Hoai; Nhan Thinh Hoang
- Abstract
For the first time, this article uses higher-order IGA to study the high frequency of the functionally graded sandwich (FGS) square nanoplates with two different skin layers resting on elastic foundations. In this work, the elastic foundations use the Pasternak foundation (PF) model with a two-parameter as a spring stiffness (κ1) and a shear layer stiffness (κ2). The observation of small-scale effects in nanoplates is accomplished by incorporating nonlocal elasticity theory (NET) with a higher-order shear deformation theory (HSDT). The governing equation of nanoplates is derived from Hamilton's principle. An extensive parametric investigation has been conducted to illustrate the free vibration characteristics of FGS square nanoplates across both low and high frequency modes, placing a greater emphasis on the analysis of high frequency behaviour. Furthermore, the high eigenmodes and frequencies of the FGS circular/elliptical nanoplates are also added. Therefore, the findings presented here contribute to an improved understanding of the vibrations of FGS nanoplates at high frequencies.
- Subjects
HAMILTON'S principle function; SHEAR (Mechanics); ELASTIC foundations; ELASTICITY; FREE vibration
- Publication
Latin American Journal of Solids & Structures, 2024, Vol 21, Issue 5, p1
- ISSN
1679-7817
- Publication type
Article
- DOI
10.1590/1679-78258062