水下航行体分片参数化多亮点声散射预报方法研究

刘进伟; 彭子龙; 范军; 刘妍; 孔慧敏

doi:10.12382/bgxb.2021.0764

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水下航行体分片参数化多亮点声散射预报方法研究

更新时间：2025-08-18

- 水下航行体分片参数化多亮点声散射预报方法研究
- Acoustic Scattering Prediction Method of Underwater Vehicles Based on Slice-parameterized Multi-highlight Model
- 兵工学报 2023年44卷第2期页码：517-525
- 作者机构：
  
  1. 江苏科技大学能源与动力学院, 江苏镇江 212100
  2. 上海交通大学船舶海洋与建筑工程学院, 上海 200240
  3. 江苏科技大学船舶与海洋工程学院, 江苏镇江 212100
- 作者简介：
  
  *邮箱:zlp_just@sina.com
- 基金信息：
  
  江苏省自然科学基金项目(BK20200995)
- DOI：10.12382/bgxb.2021.0764
  中图分类号：
- 收稿：2021-11-11，
  
  网络出版：2023-03-10，
  
  纸质出版：2023-02-28
- 稿件说明：
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刘进伟, 彭子龙, 范军, 等. 水下航行体分片参数化多亮点声散射预报方法研究[J]. 兵工学报, 2023,44(2):517-525.

Jinwei LIU, Zilong PENG, Jun FAN, et al. Acoustic Scattering Prediction Method of Underwater Vehicles Based on Slice-parameterized Multi-highlight Model[J]. Acta Armamentarii, 2023, 44(2): 517-525.
刘进伟, 彭子龙, 范军, 等. 水下航行体分片参数化多亮点声散射预报方法研究[J]. 兵工学报, 2023,44(2):517-525. DOI： 10.12382/bgxb.2021.0764.

Jinwei LIU, Zilong PENG, Jun FAN, et al. Acoustic Scattering Prediction Method of Underwater Vehicles Based on Slice-parameterized Multi-highlight Model[J]. Acta Armamentarii, 2023, 44(2): 517-525. DOI： 10.12382/bgxb.2021.0764.

摘要

针对现有亮点模型预报水下航行体声散射特性精细程度不高的问题

建立能反映水下航行体真实线型以及精细声散射特征的亮点模型。采用线性插值算法和分割目标方法建立指挥台和艉部的参数化亮点模型

并采用板块元方法对建模结果进行验证。对包含指挥台和艉部在内的Benchmark潜艇模型声散射特性开展建模研究

并与BASIS方法的标准解进行对比。通过开展Benchmark缩比潜艇模型声散射湖上试验

获取Benchmark缩比潜艇模型目标强度测量结果

并与亮点模型方法进行对比。研究结果表明

建立的指挥台和艉部参数化亮点模型是准确的

将各部件的空间相位信息考虑在内

亮点模型能够预报水下航行体的精细声散射特征。研究结果对水下目标声散射快速预报具有一定的参考价值

在快速时域回波预报方面应用前景广阔。

Abstract

To deal with the problem of low accuracy of the elementary highlight model in forecasting the acoustic scattering characteristics of underwater vehicles

a highlight model which can reflect the real lines and fine acousitcscattering characteristics of underwater vehicles is established.The linear interpolation algorithm and object segmentation method are used to establish the parametric highlight model of the command station and stern

and the planar elements method is adopted to verify the results.On this basis

the acoustic scattering characteristics of the Benchmark submarine model including the command station and stern are studied and compared with the standard solution of the BASIS method.The target strength experiment results of the Benchmark submarine scale model are obtained through acoustic scattering experiments of the model on lake

and then compared with the method of highlight model.The results show that the proposed model is accurate.Considering the spatial phase information of each component

the highlight model can forecast the acoustic scattering characteristics of underwater vehicles well.The findings of this study can provide insights into the fast prediction of acoustic scattering of underwater targets and have broad application prospects in the fast time-domain echo forecasting.

关键词

Keywords

references

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陈鑫 , 罗祎 , 李爱华 . 水下弹性角反射器声散射特性 [J ] . 兵工学报 , 2018 , 39 ( 11 ): 2236 - 2242 . DOI: 10.3969/j.issn.1000-1093.2018.11.018 http://doi.org/10.3969/j.issn.1000-1093.2018.11.018 计算水下弹性角反射器声散射问题，需要考虑声波多次散射以及结构和水的流固耦合作用。针对现有水下弹性角反射器声散射特性分析方法的不足，利用结构有限元耦合流体间接边界元法对水下弹性角反射器的远场散射声场进行仿真计算。分析了入射波频率为5.0～20.0 kHz范围内，平板材料、厚度、入射角度及角反射器类型等因素对目标强度的影响及其散射机理。结果表明：水下弹性角反射器的散射声场具有很强的频率特性，且随材料、平板厚度和入射波频率的变化而改变；多次散射波对角反射器的反向散射声场具有重要贡献，仿真数据和实测数据基本一致。进一步提出了角反射器结构设计和优化方法，为水下无源声反射器的论证与设计提供了理论参考依据。

CHEN X , LUO Y , LI A H . Acoustic scattering characteristics of underwater elastic corner reflectors [J ] . Acta Armamentarii , 2018 , 39 ( 11 ): 2236 - 2242 . (in Chinese) DOI: 10.3969/j.issn.1000-1093.2018.11.018 http://doi.org/10.3969/j.issn.1000-1093.2018.11.018 The multiple scattering of sound waves and the fluid-structure interaction should be taken into account to calculate the acoustic scattering of underwater elastic corner reflectors. The scattering acoustic field of underwater elastic corner reflectors in far field is simulated by using structure finite element method (FEM)/fluid indirect coupled boundary element method (IBEM). The influences of plate material and thickness, incident angle and the type of corner reflector on target strength and the scattering mechanism are analyzed when the incident wave frequency varies from 5.0 kHz to 20.0 kHz. The results show that the scattering acoustic field of underwater elastic corner reflectors has a strong frequency characteristic. It varies with plate material and thickness,and incident wave frequency. The multiple scattering of sound waves has important contributions to the backscattering acoustic field of corner reflectors. The simulated results are in good agreement with the experimental results. The structure design and optimization method of corner reflectors are presented. Key

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