| 水中多物质爆炸场的三维数值模拟 |
| |
| 引用本文： | 陈龙伟,张华,汪旭光.水中多物质爆炸场的三维数值模拟[J].兵工学报,2009(Z2). |
| |
| 作者姓名： | 陈龙伟 张华 汪旭光 |
| |
| 作者单位： | 昆明理工大学国土资源工程学院;云南财经大学统计与数学学院;北京矿冶研究总院; |
| |
| 基金项目： | 国家自然科学基金(50674049); 云南省自然科学基金(2007D190M); 云南省教育厅基金(07C10305)联合资助 |
| |
| 摘 要： | 对水中爆炸的三维多物质数值模拟问题,采用基于有限差分的拉格朗日、欧拉相结合的方法,在矩形网格上离散差分控制方程组;在欧拉步中引入模糊方法处理界面,计算各输运量;用Fortran语言编程计算;用自主研发的可视化软件进行后处理,考虑了由爆轰产物、混凝土、水介质的多物质爆炸场,给出了二维截面和三维模拟结果、几个关键点的压力曲线。其结果与实际较为吻合,特别是冲击波在水中传播和混凝土挡墙在水中被炸毁的模拟的效果较好,证明数值方法有效而适用。
|
| 关 键 词： | 有限差分 水中爆炸 多物质 三维数值模拟 |
Three-dimensional Numerical Simulation of Multi-material Explosive Field in Water |
| |
| CHEN Long-wei,ZHAN Hua,WANG Xu-guang.Three-dimensional Numerical Simulation of Multi-material Explosive Field in Water[J].Acta Armamentarii,2009(Z2). |
| |
| Authors: | CHEN Long-wei ZHAN Hua WANG Xu-guang |
| |
| Affiliation: | CHEN Long-wei1,2,ZHAN Hua1,WANG Xu-guang1,3(1.Faculty of Land Source Engineering,Kunming University of Science and Technology,Kunming 650092,Yunnan,China,2.Statistical and Mathematical College,Yunnan University of Finance and Economics,Kunming 650221,Yunan,3.Beijing General Research Institute of Mining and Metallurgy,Beijing 100088,China) |
| |
| Abstract: | For the three-dimensional numerical simulation of multi-material explosive field in water,a finite differential scheme which combines Lagrangian method and Eulerian method was used to discretize the differential control equations in rectangle grids.The materials interface was described by a fuzzy interface method,and the transported quantity was calculated in Eulerian step.The numerical method was programmed in Fortran language,and a special software was used for visualizing numerical results.There are thre... |
| |
| Keywords: | finite differential scheme underwater explosion multi-material 3D numerical simulation |
| 本文献已被 CNKI 等数据库收录！ |
|
