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- Title
A refined quasi-3D model for buckling and free vibration of functionally graded saturated porous plate resting on elastic foundation.
- Authors
Trang, Vu Thi Thu; Van Long, Nguyen; Tu, Tran Minh; Hai, Le Thanh
- Abstract
This study investigates the buckling and free vibration behavior of functionally graded saturated porous (FGSP) using a refined quasi-3D theory that ensures zero transverse shear stress at the top and bottom surfaces of the plate. The material properties depend on the porosity coefficient according to three patterns. Hamilton's principle and Biot's poroelasticity theory are employed to derive the equations of motion, which are then solved using Navier's technique. After examining the accuracy of the suggested approach, the effect of fluid compressibility on natural frequency and critical buckling load is investigated in the undrained condition. Also, the effect of porosity, geometrical parameters, and elastic foundation on the vibration and buckling response of FGSP plates are examined. The study reveals that saturating the pores with fluid leads to increased plate stiffness. This translates to higher critical buckling loads and fundamental frequencies.
- Subjects
FREE vibration; ELASTIC foundations; ELASTIC plates &; shells; HAMILTON'S principle function; EQUATIONS of motion; COMPRESSIBILITY (Fluids); FREE surfaces; MECHANICAL buckling
- Publication
Archive of Applied Mechanics, 2024, Vol 94, Issue 6, p1703
- ISSN
0939-1533
- Publication type
Article
- DOI
10.1007/s00419-024-02613-6