对浮筏系统的振动传递及水下声辐射特性进行试验研究有其重要的工程应用前景。
Vibration transmission and underwater acoustic radiation characteristics experiment of floating raft system has an important technical application prospect.
本文研究了夹层复合加筋板结构的振动声辐射特性。
The sound radiation of viscoelastic composite sandwich plates is researched in this paper.
在用有限元法分析结构动态响应特性的基础上，利用有限元分析得到结构表面振动速度分布，分析表面阻尼处理板结构的声辐射。
Based on the finite element analysis results of the dynamic properties of the structure, the acoustic radiation of the structure is analysed using the results of the surface velocity distribution.
并且用ANSYS分析了某些特定频率的振动情况以及在远声场的声辐射特性。
The vibration instances at some special frequencies are analyzed and the sound radiation characteristics at far sound field are calculated by ANSYS.
考虑到不同损伤存在形式，计算分析了损伤对振动频率、模态以及声辐射特性的影响。
Influences of various types of damages on natural frequencies, vibration modes, acoustic radiation power and directivity of sound are studied.
本文对潜艇结构振动声辐射特性的研究具有重要的意义。
The research work in this paper is valuable for investigation of the vibration and acoustic radiation of the submarine.
洪明，陈浩然，含分层损伤复合材料层合板声激励下振动特性研究，船舶力学，2004，8（2）， 94-100；
Hong Ming, Chen Haoran, Effect of Plane Wave Exciation on Vibration Behavior of Laminated Composite Plate with Delamination, Journal of Ship Mechanics, 2004, 8(2), 94-100.
洪明，陈浩然，含分层损伤复合材料层合板声激励下振动特性研究，船舶力学，2004，8（2）， 94-100；
Hong Ming, Chen Haoran, Effect of Plane Wave Exciation on Vibration Behavior of Laminated Composite Plate with Delamination, Journal of Ship Mechanics, 2004, 8(2), 94-100.
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