面向爆轰冲击的分离式流固耦合数值模拟

张森; 郭晓威; 甘新标; 龚春叶; 杨文祥; 李超

doi:10.7638/kqdlxxb-2021.0095

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面向爆轰冲击的分离式流固耦合数值模拟

研究论文 | 更新时间：2026-05-28

- 面向爆轰冲击的分离式流固耦合数值模拟
- Numerical study of detonation shock with partitioned fluid-structure interaction simulations
- 空气动力学学报 2022年40卷第6期页码：163-172
- 作者机构：
  
  1. 国防科技大学计算机学院，量子信息研究所兼高性能计算国家重点实验室,长沙,410073
  2. 中国空气动力研究与发展中心,绵阳,621000
- 作者简介：
  
  张森（1997-），男，安徽涡阳人，硕士研究生，研究方向：大规模科学与工程计算. E-mail：Jensen_zs@163.com
  郭晓威* (1986-) , 助理研究员，研究方向：大规模科学与工程计算. E-mail：guoxiaowei@nudt.edu.cn
- 基金信息：
  
  国家数值风洞工程（ NNW）;国家自然科学基金（61902413，62032023）;湖南省自然科学基金（2019JJ50723）;并行与分布式处理国防科技重点实验室（PDL）基金（6142110180203）
- DOI：10.7638/kqdlxxb-2021.0095
  中图分类号： TP39
- 纸质出版：2022
- 稿件说明：
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张森, 郭晓威, 甘新标, 等. 面向爆轰冲击的分离式流固耦合数值模拟[J]. 空气动力学学报, 2022, 40(6): 163−172.

ZHANG Sen, GUO Xiaowei, GAN Xinbiao, et al. Numerical study of detonation shock with partitioned fluid-structure interaction simulations[J]. 2022, 40(6): 163-172.
张森, 郭晓威, 甘新标, 等. 面向爆轰冲击的分离式流固耦合数值模拟[J]. 空气动力学学报, 2022, 40(6): 163−172. DOI： 10.7638/kqdlxxb-2021.0095

ZHANG Sen, GUO Xiaowei, GAN Xinbiao, et al. Numerical study of detonation shock with partitioned fluid-structure interaction simulations[J]. 2022, 40(6): 163-172. DOI： 10.7638/kqdlxxb-2021.0095.

摘要

为准确高效地模拟爆轰冲击作用下固体响应的过程，对爆轰波传播、损伤评估等领域的工程应用提供技术支持，采用分离式流固耦合的方法，基于开源软件实现面向爆轰冲击的分离式流固耦合数值模拟求解系统。爆轰波传播模型建立在基于OpenFOAM的开源多分量求解器blastFoam之上，同时利用deal.Ⅱ有限元库对固体形变响应进行模拟，流体与固体求解器之间通过适配开源多物理场耦合库preCICE进行耦合。通过三维竖直墙体在高爆轰作用下的运动过程验证求解系统的正确性，模拟结果展示的爆轰过程与Beyer报告中的爆轰波传播过程一致。求解系统具有良好的并行可扩展性，在网格总规模为510万单元的案例中，总并行度达256核的加速比为178，并行效率为69.5%。总体而言，通过集成各开源软件，实现了适用于爆轰波冲击响应的分离式流固耦合求解系统，对诸多工程应用具有重要的现实意义。

Abstract

To accurately and efficiently simulate the structural responses to a detonation shock

and provide technical support for engineering applications in the fields of detonation wave propagation and damage assessment

etc.

a numerical simulation platform for partitioned fluid-structure interaction under the condition of a detonation shock has been developed. The detonation and wave propagation are modeled based on a multiphase compressible flow library blastFoam in OpenFOAM. At the same time

the structural response is simulated by the deal.Ⅱ finite element library. Modules for solving fluid and structure are integrat by adapting the coupling library preCICE. The numerical simulation of the motion of a 3D vertical wall under a high-explosive detonation is carried out to verify the correctness of the platform. The numerically obtained detonation process is consistent with the documented detonation wave propagation process. The platform has a good parallel scalability. For a case with 5.1 million mesh cells

the speedup ratio with 256 processor cores is 178

yielding a parallel efficiency of 69.5%. Overall

by integrating various open source software

a partitioned fluid-structure interaction simulation platform for the structural responses to a detonation shock is realized

which has important practical significance for many engineering applications.

关键词

Keywords

references

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