Thickness Equivalence Model Based on Serial Neural Network for Explosion Resistance of Radome

Changfa CHEN; Jun’an WU; Rui GUO; Hao CUI; Shuaiyin YAN; Hao ZHOU

doi:10.12382/bgxb.2024.1001

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Thickness Equivalence Model Based on Serial Neural Network for Explosion Resistance of Radome

更新时间：2025-10-21

- Thickness Equivalence Model Based on Serial Neural Network for Explosion Resistance of Radome
- Acta Armamentarii Vol. 46, Issue 9, Pages: 241001(2025)
- 作者机构：
  
  1. 南京理工大学机械工程学院, 江苏南京 210018
  2. 南京理工大学化学与化工学院, 江苏南京 210018
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2024.1001
  CLC：
- Received：31 October 2024，
  
  Published Online：24 September 2025，
  
  Published：30 September 2025
- 稿件说明：
移动端阅览
Changfa CHEN, Jun’an WU, Rui GUO, et al. Thickness Equivalence Model Based on Serial Neural Network for Explosion Resistance of Radome[J]. Acta Armamentarii, 2025, 46(9): 241001.
DOI：

Changfa CHEN, Jun’an WU, Rui GUO, et al. Thickness Equivalence Model Based on Serial Neural Network for Explosion Resistance of Radome[J]. Acta Armamentarii, 2025, 46(9): 241001. DOI： 10.12382/bgxb.2024.1001.

摘要

为了开展复合材料雷达罩在远场爆炸载荷作用下的厚度等效研究

以纤维增强聚合物(Fiber-Reinforced Polymer

FRP)复合材料层合板为研究对象

提出一种基于挠度等效原则的串联人工神经网络(Serial Artificial Neural Network

S-ANN)模型

用于预测不同性能玻璃纤维雷达罩之间的厚度等效关系。建立爆炸载荷作用下FRP层合板动态响应有限元模型

通过批量计算有限元模型

获得不同比例距离、层合板厚度、密度及纵向弹性模量条件下的FRP层合板最大挠度

基于此建立S-ANN厚度等效模型

实现不同种类FRP材料在远场爆炸载荷作用下的厚度等效。采用

传输矩阵和数值仿真方法

分析玻璃纤维等效雷达罩的频率响应特性。研究结果表明:远场爆炸载荷作用下

纵向弹性模量对玻璃纤维雷达罩的抗爆性能和等效厚度的影响最大;等效厚度对雷达罩传输效率幅值的影响很小

但会改变雷达罩传输效率的谐振频率。所得研究成果能够为雷达罩厚度等效研究及相关优化设计提供参考。

Abstract

The thickness equivalence of composite radome under the far-field explosion loads is studied by taking the fiber-reinforced polymer (FRP) laminate as the research object.A serial artificial neural network (S-ANN) model based on the principle of deflection equivalence is proposed to predict the thickness equivalence relationship between glass fiber radomes with different performances.A finite element model for the dynamic response of FRP laminates under explosive loads is established.The maximum deflection of FRP laminates under the conditions of different detonation distances

laminate thicknesses

densities

and longitudinal elastic moduli is obtained by conducting batch calculations on this finite element model.Based on this

a S-ANN thi

ckness equivalence model is established.The proposed model achieves the thickness equivalence for different types of FRP materials under far-field explosion loads.In addition

the frequency response characteristics of the glass fiber equivalent radome are analyzed using the

transmission matrix and a numerical simulation method.The research results show that the longitudinal elastic modulus has the greatest influence on the explosion resistance and equivalent thickness of glass fiber radome under far-field explosion loads.The equivalent thickness has little influence on the amplitude of the radome’s transmission efficiency

but it changes the resonant frequency of the radome’s transmission efficiency.This study can provide reference for the thickness equivalence research and optimization design of radomes.

关键词

Keywords

references

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