Wave propagation in functionally graded beams using various higher-order shear deformation beams theories

被引：19
作者：
Hadji, Lazreg [1 ,2 ]
Zouatnia, Nafissa [3 ]
Kassoul, Amar [3 ]
机构：
[1] Univ Ibn Khaldoun, Dept Genie Civil, BP 78, Zaaroura 14000, Tiaret, Algeria
[2] Univ Djillali Liabes Sidi Bel Abbes, Lab Mat & Hydrol, Sidi Bel Abbes 22000, Algeria
[3] Univ Hassiba Benbouali Chlef, Lab Struct Geotech & Risques, Chlef, Algeria
来源：
STRUCTURAL ENGINEERING AND MECHANICS | 2017年 / 62卷 / 02期
关键词：
wave propagation; functionally graded beam; transverse shear deformation; higher-order beam theory; NEUTRAL SURFACE POSITION; FREE-VIBRATION; FGM PLATES; BUCKLING PROPERTIES; SANDWICH PLATES; EFFICIENT; POROSITIES;
D O I：
10.12989/sem.2017.62.2.143
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this work, various higher-order shear deformation beam theories for wave propagation in functionally graded beams are developed. The material properties of FG beam are assumed graded in the thickness direction according to a simple power law distribution in terms of the volume fractions of the constituents, the governing equations of the wave propagation in the FG beam are derived by using the Hamilton's principle. The analytic dispersion relations of the FG beam are obtained by solving an eigenvalue problem. The effects of the volume fraction distributions on wave propagation of functionally graded beam are discussed in detail. The results carried out can be used in the ultrasonic inspection techniques and structural health monitoring.
引用
收藏
页码：143 / 149
页数：7
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