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敷设橡胶圆板近场水下爆炸数值模拟

金泽宇 殷彩玉 谌勇 华宏星

中国舰船研究2018,Vol.13Issue(3):72-76,5.
中国舰船研究2018,Vol.13Issue(3):72-76,5.DOI:10.19693/j.issn.1673-3185.01202

敷设橡胶圆板近场水下爆炸数值模拟

Numerical simulation of rubber coating circular plates subjected to near-field underwater explosion

金泽宇 1殷彩玉 2谌勇 1华宏星2

作者信息

  • 1. 上海交通大学机械系统与振动国家重点实验室,上海 200240
  • 2. 上海交通大学振动、冲击、噪声研究所,上海 200240
  • 折叠

摘要

Abstract

[Objectives] To study the coating effects on structures subjected to near-field underwater explosion,[Methods] the coupling Runge-Kutta Discontinuous Galerkin Method,Boundary Element Method and Finite Element Method are developed in this paper to solve a rubber coating circular plate subjected to near-field underwater explosion. The results are compared with experimentally obtained wet face pressure and bubble shape to verify the method,and the explosion bubble response to the flexible boundary is discussed.[Results] The results indicate that the rubber coating plate will shorten the pulse width of the shockwave,but the cavitation collapse will occur more easily. In addition,solid rubber coating has little effect on the deformation of the explosion bubble. [Conclusions] This research can provide a theoretical basis and technical support for the coating design and optimization of warships subjected to near-field underwater explosion.

关键词

水下爆炸/流固耦合/RKDG-BEM-FEM

Key words

underwater explosion/fluid-structure coupling/RKDG-BEM-FEM

分类

交通工程

引用本文复制引用

金泽宇,殷彩玉,谌勇,华宏星..敷设橡胶圆板近场水下爆炸数值模拟[J].中国舰船研究,2018,13(3):72-76,5.

基金项目

中国博士后科学基金资助项目(2017M621456) (2017M621456)

国家自然科学基金资助项目(11272215) (11272215)

中国舰船研究

OA北大核心CSCDCSTPCD

1673-3185

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