Vibration band gap behaviors of sandwich panels with corrugated cores

被引：44
|
作者：
Wu, Zhi-Jing [1 ]
Li, Feng-Ming [1 ,2 ]
Wang, Yi-Ze [1 ]
机构：
[1] Harbin Inst Technol, Sch Astronaut, Harbin 150001, Peoples R China
[2] Beijing Univ Technol, Coll Mech Engn, Beijing 100124, Peoples R China
来源：
COMPUTERS & STRUCTURES | 2013年 / 129卷
基金：
中国国家自然科学基金;
关键词：
Sandwich panels with corrugated cores; Spectral element method; Frequency response; Vibration band gap; STRUCTURAL PERFORMANCE; CONSTITUTIVE MODEL; WAVE-PROPAGATION; HEAT-EXCHANGERS; ELEMENT; DESIGN; BEAMS; FORMULATION; PLATES;
D O I：
10.1016/j.compstruc.2013.08.009
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Sandwich panel with corrugated cores is considered. The spectral equations of plate elements containing in-plane and out-of-plane components are established using spectral element method (SEM). The spectral stiffness matrix of whole structure is assembled. Frequency responses are obtained by calculating the spectral equations. Numerical results show that SEM can be effectively applied to study vibration band gap properties of sandwich panels with corrugated cores. Comparing with the results by finite element method (FEM) indicates that more accurate results can be achieved by SEM. The unit cell number, structural damping, material property, plate thickness and core form have obvious influences on structural dynamic characteristics. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：30 / 39
页数：10
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