Vibro-acoustic study of a viscoelastic sandwich ring immersed in water

被引：15
|
作者：
Rouleau, L. [1 ,2 ]
Deue, J-F [1 ]
Legay, A. [1 ]
Sigrist, J. -F. [2 ]
机构：
[1] Conservatoire Natl Arts & Metiers, Struct Mech & Coupled Syst Lab, F-75003 Paris, France
[2] DCNS Res, F-44620 La Montagne, France
来源：
JOURNAL OF SOUND AND VIBRATION | 2012年 / 331卷 / 03期
关键词：
FINITE-ELEMENT FORMULATION; CYLINDRICAL-SHELLS; TIME-DOMAIN; VIBRATION; FLUID; REDUCTION; BEAMS; MODELS;
D O I：
10.1016/j.jsv.2011.10.004
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This work deals with the reduction of the system composed of a sandwich structure with a viscoelastic core coupled to fluids. Two reduction methods are proposed in this paper to solve this problem in the frequency domain. The first one consists in developing added mass operators to take into account the fluid. The second one is the use of iterative methods to calculate the coupled complex modes of the dissipative problem. This numerical strategy is applied to the response of a bidimensional sandwich ring coupled to internal and external fluids. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：522 / 539
页数：18
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