FREE VIBRATION ANALYSIS OF LATTICE SANDWICH BEAMS UNDER SEVERAL TYPICAL BOUNDARY CONDITIONS

被引：0
|
作者：
Jia Lou [1 ]
Bing Wang [1 ]
Li Ma [1 ]
Linzhi Wu [1 ]
机构：
[1] Center for Composite Materials and Structures,Harbin Institute of Technology
来源：
Acta Mechanica Solida Sinica | 2013年 / 26卷 / 05期
基金：
中国国家自然科学基金;
关键词：
vibration; composites; lattice materials; beam; analytical method;
D O I：
暂无
中图分类号：
TB533.1 [];
学科分类号：
083002 ; 120402 ;
摘要：
Free vibration problems of lattice sandwich beams under several typical boundary conditions are investigated in the present paper.The lattice sandwich beam is transformed to an equivalent homogeneous three-layered sandwich beam.Unlike the traditional analytical model in which the rotation angles of the face sheets and the core are assumed the same,diferent rotation angles are considered in this paper to characterize the real response of sandwich beams.The analytical solutions of the natural frequencies for several typical boundary conditions are obtained.The efects of material properties and geometric parameters on the natural frequencies are also investigated.
引用
收藏
页码：458 / 467
页数：10
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