DYNAMIC CHARACTERISTICS OF CYLINDRICAL SHELLS CONSIDERING FLUID-STRUCTURE INTERACTION

被引：10
|
作者：
Jhung, Myung Jo [1 ]
Kim, Wal Tae [1 ]
Ryu, Yong Ho [1 ]
机构：
[1] Korea Inst Nucl Safety, Div Safety Res, Taejon 305338, South Korea
来源：
NUCLEAR ENGINEERING AND TECHNOLOGY | 2009年 / 41卷 / 10期
关键词：
Cylindrical Shell; Fluid-structure Interaction; Annulus; Modal Characteristic; Response Spectrum; Power Spectral Density; Harmonic Analysis; Added Mass; INTERNALS;
D O I：
10.5516/NET.2009.41.10.1333
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
To assure the reliability of cylinders or shells with fluid-filled annulus, it is necessary to investigate the modal characteristics considering fluid-structure interaction effect. In this study, theoretical background and several finite element models are developed for cylindrical shells with fluid-filled annulus considering fluid-structure interaction. The effect of the inclusion of the fluid-filled annulus on the natural frequencies is investigated, which frequencies are used for typical dynamic analyses Such as responses spectrum, power spectral density and unit load excitation. Their response characteristics are addressed with respect to the various representations of the fluid-structure interaction effect.
引用
收藏
页码：1333 / 1346
页数：14
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