基于声固耦合算法的发射模拟试验承压结构湿模态分析

陈炜彬; 段 浩; 王 云

doi:10.11993/j.issn.2096-3920.2017.04.010

基于声固耦合算法的发射模拟试验承压结构湿模态分析

doi: 10.11993/j.issn.2096-3920.2017.04.010

中国船舶重工集团公司第705研究所昆明分部, 云南昆明, 650106

详细信息

作者简介:
陈炜彬(1991-), 男, 在读硕士, 主要从事鱼雷发射技术研究.

中图分类号: TJ635
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- 被引次数: 0
出版历程
- 收稿日期: 2017-02-15
- 修回日期: 2017-02-28
- 刊出日期: 2017-10-31

Wet Modal Analysis of Pressurized Structure in Launcher Simulation Experiment Based on Sound-Structure Coupling Algorithm

Kunming Branch of the 705 Research Institute, China Shipbuilding Industry Corporation, Kunming 650106, China

摘要

摘要: 发射装置模拟试验承压结构——假海, 在试验过程中需要在其内部充水, 这种情况下的模态称为湿模态。文章通过充水管道的仿真结果同试验数据的对比, 验证了利用Workbench声学拓展模块进行基于声固耦合算法的结构湿模态仿真的可行性; 然后运用该方法对假海进行湿模态仿真, 并将结果同干模态仿真结果进行对比分析, 得到了充水对假海固有振动特性的影响, 为相关充液结构的湿模态研究提供参考。
- 假海 /
- 声固耦合 /
- 湿模态
Abstract: During launcher simulation experiment, the pressurized structure called false sea, is internally filled with water, the modal in this case is called wet modal. In this paper, the simulated and experimental results of a tube full of water are compared to prove the feasibility that the Workbench acoustic extension module can be used to carry out wet modal simulation based on the sound-structure coupling algorithm. Then, the method is employed to simulate the false sea′s wet modal. The simulation results of wet modal and dry modal are compared to obtain the influence of water on the natural vibration characteristic of false sea. This study may provide a reference for the research on wet modal of water-filled structures.
- false sea /
- sound-structure coupling /
- wet modal

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参考文献(15)

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