指挥室围壳振动特性分析  

The Vibration Analysis of Command Cabin Envelope Shell

作　　者：谭林森[1] 

机构地区：[1]华中理工大学交通科学与工程学院

出　　处：《华中理工大学学报》1998年第5期51-53,共3页Journal of Huazhong University of Science and Technology

基　　金：国防科工委预研基金

摘　　要：基于壳体水弹性理论和广义变分原理推导指挥室围壳在流场中的动力方程；采用结构有限元和流体边界元分析了指挥室围壳的振动特性；并与实验值进行了对比分析，为指挥室围壳结构设计提供了依据．The command cabin envelope shell is a kind of bluff body. Higher race and vortex will be produced as well as noise under certain cruise speed. It is important to study the vibration characteristics. The dynamic equation of the fluid structure interaction system of command cabin envelope shell in fluid field is derived based on the hydroelasticity theory of shell and principle of generalized variation. The structure finite elements and fluid boundary elements are used to analyze the vibration characteristics of the envelope shell. Numerical results obtained are compared with experimental values. The comparison shows that the method proposed is fairly accurate.

关 键 词：指挥室围壳 壳体水弹性 有限元 振动特性分析 

分 类 号：U661.44[交通运输工程—船舶及航道工程]