基于COMSOL的主动式声诱饵仿真系统

唐丽媛; 汪海涛; 王 斌

doi:10.11993/j.issn.2096-3920.2020.05.012

基于COMSOL的主动式声诱饵仿真系统

doi: 10.11993/j.issn.2096-3920.2020.05.012

唐丽媛^1,2,
汪海涛³,
王斌^1,2

1.
上海交通大学海洋工程国家重点实验室, 上海, 200240
2.
哈尔滨工程大学水声技术重点实验室, 黑龙江哈尔滨, 150001
3.
中国船舶重工集团公司第726研究所, 上海, 201108

详细信息

作者简介:
唐丽媛(1995-), 女, 硕士, 主要研究方向为系统仿真、声学建模.

中图分类号: TJ67 O427
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- 文章访问数: 542
- HTML全文浏览量: 2
- PDF下载量: 282
- 被引次数: 0
出版历程
- 收稿日期: 2019-11-12
- 修回日期: 2020-03-02
- 刊出日期: 2020-10-31

Active Acoustic Bait Simulation System Based on COMSOL

1.
State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2.
Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China
3.
The 726 Research Institute, China Shipbuilding Industry Corporation, Shanghai 201108, China

摘要

摘要: 边收边发模式是现代化主动式声诱饵智能化的重要标志之一, 针对该模式下发射/接收声场传递函数畸变以及发射串漏的问题, 文中建立了一套基于COMSOL平台的主动式声诱饵阵元域信号仿真系统, 阐述了系统的架构、模块化的设计思想, 设计了六大功能模块: 模型构建模块、声学有限元模块、海洋环境模块、接收机模块、发射机模块和信号处理模块; 介绍了基于有限元方法与和板块元方法的目标/被模拟目标的散射声场传递函数仿真算法; 提供了频谱分析、时频分析、包络提取等信号处理功能通过建立器材声振耦合状态下发射端-接收端声场串漏反馈数学模型, 模拟边收边发工作模式下声诱饵接收机输入电压与发射机输出电压之间传递函数。系统通过COMSOL Server部署在集群计算机上, 相比现有边收边发技术的研究, 考虑了器材自身声振耦合作用的影响, 仿真了以阵元时域信号为呈现结果的完整诱饵工作过程, 将具体的代码实现后台化, 交互界面简单易操作, 模块间通过共享文件通信, 具有通用性和可扩展性。经多次运行, 系统性能稳定, 计算速度快。通过对比经典球型电子舱模型仿真结果与理论解, 验证了系统精度。文中所述系统可为边收边发工作模式下主动式声诱饵的设计与部署提供参考。
- 主动式声诱饵 /
- 仿真系统 /
- 模块化 /
- 边收边发模式
Abstract: The “receiving and sending” mode is one of the important symbols of the intelligentization of modern active acoustic bait. To solve the distortion of the transmission function of a receiving/transmitting acoustic field and the leakage of the transmitting string under this mode, an active acoustic bait array element domain signal simulation system is established using COMSOL in this study. The system architecture and modular design ideas are described, and six major functional modules are designed: model building, acoustic finite element, marine environment, receiving, transmitting, and signal processing modules. The simulation algorithm of the target/simulated target’s scattering acoustic field transfer function based on the finite-element and plate-element methods is introduced it provides signal processing functions such as spectrum analysis, time–frequency analysis, and envelope extraction. The transfer function between the input voltage of the acoustic bait receiver and the output voltage of the transmitter is simulated by establishing a mathematical model of the acoustic field cross-leak feedback between the transmitter and receiver in the acoustic vibration coupling state. The system is deployed on a cluster computer through a COMSOL server. Unlike existing studies pertaining to “receiving and sending” technology, the effect of the acoustic and vibration coupling of the equipment is considered, and the complete bait operating process using the array time-domain signal as the result is simulated in this study. A specific code is implemented in the background, the interactive interface is simple and easy to operate, and the modules communicate through shared files, which are universal and extensible. After several runs, the system performance stabilizes and the calculation speed is high. By comparing the simulation results and theoretical solutions of the classic spherical electronic cabin model, the accuracy of the system is verified.
- active acoustic bait /
- simulation system /
- modularize /
- receiving and sending mode

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