The prediction of sound and vibration from a cylindrical double-shell by FEM and BEM

被引：0
|
作者：
Shang, DJ [1 ]
He, ZY [1 ]
机构：
[1] Harbin Engn Univ, Underwater Acoust Dept, Harbin, Heilongjiang, Peoples R China
来源：
BOUNDARY ELEMENTS XXIV: INCORPORATING MESHLESS SOLUTIONS | 2002年 / 13卷
关键词：
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In present paper, the numerical prediction of sound radiation and vibration from a submerged elastic ring-stiffened cylindrical double-shell with hemi-spherical caps on ends have been carried out by use of software ANSYS and software SYSNOISE. The frequency response of normal displacement on the outside surface of the structure, the distribution of sound pressure and sound energy flow in near field, the radiated sound power, radiation efficiency of sound power and the directivity of sound field are given when the double-shell structure is immersed in water, excited by a point force source.
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收藏
页码：421 / 426
页数：6
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