Free vibration analysis of thick sandwich cylindrical panels with saturated FG-porous core

Hamzeh Akbari, Mohammad Azadi, Hamidreza Fahham

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

In this paper a numerical solution is presented for free vibration analysis of sandwich cylindrical panels made of a saturated functionally graded porous (FG-porous) core and two similar homogenous face sheets. The panel is modeled based on the third order shear deformation theory (TSDT) and stress-strain relations are considered based on the linear poroelasticity theory of Biot. Natural frequencies are calculated for various boundary conditions and a parametric study is presented to study the effects of various parameters on the natural frequencies including geometrical parameters, porosity parameter, porosity distribution pattern, thickness of the porous core and compressibility of porefluid. Communicated by Francesco Tornabene.

Original languageEnglish
JournalMechanics Based Design of Structures and Machines
Early online date8 Apr 2020
DOIs
Publication statusE-pub ahead of print - 8 Apr 2020
Externally publishedYes

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