[1]李昕,翁春生,白桥栋,等.CE/SE方法在障碍物对爆炸冲击波干扰流场计算中的应用[J].南京师范大学学报(工程技术版),2007,07(04):033-39.
 Li Xin,Weng Chunsheng,Bai Qiaodong.Application of the CE/SE Method to Numerical Simulation of Obstacle Interaction With Blast[J].Journal of Nanjing Normal University(Engineering and Technology),2007,07(04):033-39.
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CE/SE方法在障碍物对爆炸冲击波干扰流场计算中的应用
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南京师范大学学报(工程技术版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
07卷
期数:
2007年04期
页码:
033-39
栏目:
出版日期:
2007-12-30

文章信息/Info

Title:
Application of the CE/SE Method to Numerical Simulation of Obstacle Interaction With Blast
作者:
李昕;翁春生;白桥栋;
南京理工大学动力工程学院, 江苏南京210094
Author(s):
Li XinWeng ChunshengBai Qiaodong
School of Power Engineering,Nanjing University of Science and Technology,Nanjing 210094,China
关键词:
CE/SE方法 爆炸冲击波 厂房 障碍物 数值模拟
Keywords:
CE /SE m ethod b last w ave wo rkshop obstac le num er ica l simu lation
分类号:
O383
摘要:
应用高精度的CE/SE方法对厂房中爆炸冲击波扫过障碍物挡墙形成的流场进行了二维数值模拟,具体分析了障碍物、厂房内壁与冲击波相互作用的规律,得到了能够反映障碍物作用前后波系结构变化的压力等值线图.数值结果显示了冲击波遇障碍物发生反射、绕流等现象,形成复杂波系;通过与无障碍物存在的爆炸流场对比,分析了相对于爆点不同位置的障碍物对爆炸流场的影响;最后改变爆点个数,对爆炸流场的变化做了进一步分析.数值模拟结果符合相关物理规律.
Abstract:
In th is paper, a two-d imensional flow s of b last w aves in a w orkshop is sim ulated nume rica lly by using a h igh prec ise CE /SE m ethod. Interactional pr inc iples am ong blastw aves, obstacles and in ternal wa lls o f the wo rkshop are analysed. A pressure contours chart is obta ined that can c lea rly show the vo lution o f shock structure. Num er ica l results show com plex w ave systerm as b last w aves re flecting o r passing around the obstac les. By compar ing w ith the exp losive fie ld w ithout obstac les, w e ana lyze the influence wh ich obstac les w ith different d istance to cente r o f explosion po int effect on explosive fie ld. A t last, m ore analysis about the change of the exp los ive field have been m ade by chang ing the num ber o f exp losion po int. Num er ica l results acco rd w ith the re levant physical law s

参考文献/References:

[ 1] 岳鹏涛, 徐胜利, 彭金华. FAE爆炸波对地面目标作用的三维数值研究[ J]. 爆炸与冲击, 2000, 20( 2): 97- 102.
Yue Pengtao, Xu Sheng l,i Peng Jinhua. 3D num erical sim ulations on the inte raction be tw een FAE blastw aves and g round targ et [ J] . Exp losion and ShockW aves, 2000, 20( 2): 97- 102. ( in Chinese)
[ 2] 刘君, 刘瑞朝, 贾忠湖, 等. 爆炸波与物体干扰流场的数值模拟[ J]. 空气动力学报, 2000, 18( 1): 55- 61.
Liu Jun, L iu Ru ichao, Jia Zhonghu, et a .l Num er ica l simu la tion o f blast interaction w ith build ings[ J]. A cta Aerodynam ica Sin-i ca, 2000, 18( 1): 55- 61. ( in Ch inese)
[ 3] 吴开腾, 宁建国. 机库内爆炸流场的三维数值模拟分析[ J]. 太原理工大学学报, 2005, 36( 6): 725- 728.
W u K aiteng, N ing J ianguo. 3D num er ica l sim ulation ana lys is on explosive field in p lane garag[ J]. Journa l of Ta iyuan Un iversity o f Techno logy, 2005, 36( 6) : 725- 728. ( in Ch inese)
[ 4] W eng Chunsheng, Go re J P. A nume rical study o f tw o-and three-d im ensiona l detonation dynam ic o f pu lse detonation eng ine by the CE /SE m ethod[ J]. M echan ica S in ica, 2005, 21( 1): 32- 39.
[ 5] Chang S C. The m ethod of space-tim e conserva tion e lem en t and so lution e lem en t) a new approach for so lv ing the nav ier- stokes and Eu ler equations[ J]. Journa l of Com putationa l Physics, 1995, 119( 2): 295- 324.
[ 6] 翁春生, 王浩. 计算内弹道学[M ]. 北京: 国防工业出版社, 2006: 276- 285.
W eng Chunsheng,W ang H ao. Com putationa l Inte rio r Ba llistics[M ]. Be ijing: Na tiona l Defense Industry Press, 2006: 276- 285. ( in Chinese)

备注/Memo

备注/Memo:
基金项目: 国家自然科学基金( 10672080)资助项目.
作者简介: 李 昕( 1982-) , 女, 博士研究生, 主要从事爆炸及电动力学的学习与研究. E-m ail:w rq ing55@ 126. com
通讯联系人: 翁春生( 1964-) , 教授, 博士生导师, 主要从事爆轰推进技术与理论的教学与研究. E-m ail:w eng@ m ail.n jus t. edu. cn
更新日期/Last Update: 2013-04-29