Free Vibration and Buckling Analysis of Functionally Graded Plates Resting on Elastic Foundation Using Higher Order Theory

被引：26
作者：
Parida, Smita [1 ]
Mohanty, Sukesh Chandra [1 ]
机构：
[1] Natl Inst Technol, Dept Mech Engn, Rourkela 769008, Odisha, India
来源：
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS | 2018年 / 18卷 / 04期
关键词：
Functionally graded material; Winkler-Pasternak elastic foundation; higher order theory; C-0; continuity; plate; power law distribution; serendipity element; DISCRETE SINGULAR CONVOLUTION; RECTANGULAR MINDLIN PLATES; INPLANE LOADS; THICK PLATES; NONLINEAR VIBRATION; SHEAR;
D O I：
10.1142/S0219455418500499
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper deals with the free vibration and buckling analysis of functionally graded material (FGM) plates, resting on the WinklerPasternak elastic foundation. The higher order shear deformation plate theory (HSPT) is adopted for the realistic variation of transverse displacement through the thickness, using the power law distribution to describe the variation of the material properties. Both the effects of shear deformation and rotary inertia are considered. In the present model, the plate is discretised into C-0 eight noded serendipity quadratic elements with seven nodal degrees of freedom (DOFs). The validation study is carried out by comparing the calculated values with those given in the literature. The effects of various parameters like the Winkler and Pasternak modulus coefficients, volume fraction index, aspect ratio, thickness ratio and different boundary conditions on the behaviour of the FGM plates are studied.
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页数：21
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