Dynamic performance of sandwich composite plates with circular hole/cut-out: A mixed experimental-numerical study

被引：29
|
作者：
Mondal, S. [1 ]
Patra, A. K. [1 ]
Chakraborty, S. [1 ]
Mitra, N. [1 ]
机构：
[1] Indian Inst Technol Kharagpur, Dept Civil Engn, Kharagpur, W Bengal, India
来源：
COMPOSITE STRUCTURES | 2015年 / 131卷
关键词：
Sandwich composite; Plate with cut-out; Modal analysis; Finite element analysis; FREE-VIBRATION; CUTOUTS; HOLES; BEHAVIOR; FAILURE;
D O I：
10.1016/j.compstruct.2015.05.046
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The dynamic characteristics of sandwich composite plates with holes at various locations are investigated both experimentally and through numerical simulations. The critical parameters which affect the natural frequencies of such plates with holes or cut-outs are the core and face sheet thicknesses, diameter and location of the holes and aspect ratio of the plate. A rigorous parametric study has been conducted to determine their interrelationship and presented in a concise manner. An experimental investigation has been conducted in the beginning to get an idea about the variations of the above mentioned parameters. The results can be utilized to determine the changes in dynamic characteristics of sandwich composite plates with holes with specified diameters and locations. The methodology can also be useful to control the dynamic responses of such plates by incorporating holes of chosen diameters at appropriate locations. The results may be used to create design curves for satisfactory dynamic performances of sandwich composite plate with holes. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：479 / 489
页数：11
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