Acoustic Scattering Prediction Method of Underwater Vehicles Based on Slice-parameterized Multi-highlight Model

Jinwei LIU; Zilong PENG; Jun FAN; Yan LIU; Huimin KONG

doi:10.12382/bgxb.2021.0764

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Acoustic Scattering Prediction Method of Underwater Vehicles Based on Slice-parameterized Multi-highlight Model

更新时间：2025-08-18

- Acoustic Scattering Prediction Method of Underwater Vehicles Based on Slice-parameterized Multi-highlight Model
- Acta Armamentarii Vol. 44, Issue 2, Pages: 517-525(2023)
- 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：
- 基金信息：
- DOI：10.12382/bgxb.2021.0764
  CLC：
- Received：11 November 2021，
  
  Published Online：10 March 2023，
  
  Published：28 February 2023
- 稿件说明：
移动端阅览
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：

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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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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