Influence of Applied Loads on Free Vibrations of Functionally Graded Material Plate-Shell Panels

被引：2
|
作者：
Moita, Jose Simoes [1 ]
Correia, Victor Franco [2 ]
Soares, Cristovao Mota [1 ]
机构：
[1] Univ Lisbon, IDMEC, Inst Super Tecn, Ave Rovisco Pais, P-1049001 Lisbon, Portugal
[2] ENIDH Escola Super Naut Infante D Henrique, Ave Eng Bonneville Franco, P-2770058 Paco De Arcos, Portugal
来源：
APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 05期
关键词：
finite element method; plates; shells; static nonlinear; free vibrations; FGM; GEOMETRICALLY NONLINEAR-ANALYSIS; SHEAR DEFORMATION-THEORY; ELEMENT;
D O I：
10.3390/app14051993
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An analysis of the influence of applied loads on free vibrations of plate and shell panels made of functionally graded materials is analyzed in the present work. Formulations for the static analysis considering geometrically nonlinear behavior, as well as linear buckling and free vibrations analyses are considered. A calculation of the through-thickness stress distribution is also performed. The finite element model is based on a higher order shear deformation theory using a non-conforming flat triangular plate/shell element with three nodes, and eight degrees of freedom per node is used in the numerical implementation. The results obtained with this numerical model are presented, discussed, and compared with alternative solutions published by other authors in some benchmark applications.
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页数：23
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