Article(id=1325115322012938639, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325115299141398790, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1363708800000, receivedDateStr=2013-03-20, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861712219, onlineDateStr=2026-11-05, pubDate=1365955200000, pubDateStr=2013-04-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861712219, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861712219, creator=13701087609, updateTime=1793861712219, updator=13701087609, issue=Issue{id=1325115299141398790, tenantId=1146029695717560320, journalId=1255847867265597444, year='2013', volume='27', issue='2', pageStart='153', pageEnd='311', issueExtLink='null', onlineDate='null', pubDate='1365955200000', pubDateStr='2013-04-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861706767, creator='13701087609', updateTime=1793861706767, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=216, endPage=222, ext={EN=ArticleExt(id=1325115322163933584, articleId=1325115322012938639, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=The 3-D Numerical Simulation for Different Explosive Charges in the Fortifications, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The basic principle and the parallel design strategy of the PMMIC-3D parallel program which using Euler method based on the message passing interface (MPI) mode were stated. After numerically stimulating the fortification mode, it can be seen that the results of numerical stimulation basically match with the reality and the physical laws. The shock waves of explosive detonation in fortifications not only had a higher peak overpressure, but also had a longer duration of action. When the shock wave met the wall, it would reflect and produce the reflected high pressure. Because of the diffraction convergence, the local high pressure would be brought about in a certain region behind the wall, in which the destructive effect was much larger compared with the shock waves of air explosion. The propagation process and the interaction of shock waves can be seen clearly by the numerical stimulation, which can determine the arrival time of the shock waves at various positions. The optimal explosive charge can be ensured by comparing the overpressure value of shock waves at different places.

, authors=Hui-Lan REN, Jian-Guo NING, Xiang-Zhao XU, authorsList=Hui-Lan REN, Jian-Guo NING, Xiang-Zhao XU, authorCompany=null, correspAuthors=Jian-Guo NING, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1325115322344288657, articleId=1325115322012938639, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=不同炸药量在工事中爆炸的三维数值模拟, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

基于消息传递接口(Message Passing Interface,MPI)模式,阐述了采用Euler方法的PMMIC-3D并行程序基本原理及并行设计策略,并对工事模型进行了数值模拟,数值模拟结果与实际现象及物理规律相符。工事内炸药爆炸产生的爆炸冲击波既有较高的超压峰值,又有较长的作用时间,遇到墙壁时会发生反射,产生反射高压,并会发生绕射汇聚,在墙后面一定区域内产生局部高压,与空中爆炸产生的爆炸冲击波相比,杀伤破坏作用更大。通过数值模拟能够清晰地看到爆炸冲击波的传播过程及其相互作用,可以确定爆炸冲击波到达各个位置处的时间。通过对比各个位置处的峰值超压,可以确定能有效毁伤一个确定工事的最佳药量。

, authors=任会兰, 宁建国, 许香照, authorsList=任会兰, 宁建国, 许香照, authorCompany=null, correspAuthors=宁建国, authorNote=

任会兰(1973—),女,博士,副教授,博士生导师,主要从事材料动态力学研究. E-mail:

, correspAuthorsNote=
宁建国(1963—),男,博士,教授,主要从事爆炸与毁伤技术、材料和结构动态力学研究. E-mail:
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任会兰(1973—),女,博士,副教授,博士生导师,主要从事材料动态力学研究. E-mail:

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不同炸药量在工事中爆炸的三维数值模拟
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任会兰 , 宁建国 , 许香照
高压物理学报 | 2013,27(2): 216-222
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高压物理学报 | 2013 , 27 (2) : 216 -222
不同炸药量在工事中爆炸的三维数值模拟
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任会兰 , 宁建国 , 许香照
作者信息
  • 北京理工大学爆炸科学与技术国家重点实验室,北京 100081
通讯作者:
宁建国(1963—),男,博士,教授,主要从事爆炸与毁伤技术、材料和结构动态力学研究. E-mail:
作者简介:

任会兰(1973—),女,博士,副教授,博士生导师,主要从事材料动态力学研究. E-mail:

The 3-D Numerical Simulation for Different Explosive Charges in the Fortifications
Hui-Lan REN , Jian-Guo NING , Xiang-Zhao XU
Affiliations
  • State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
出版时间: 2013-04-15
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基于消息传递接口(Message Passing Interface,MPI)模式,阐述了采用Euler方法的PMMIC-3D并行程序基本原理及并行设计策略,并对工事模型进行了数值模拟,数值模拟结果与实际现象及物理规律相符。工事内炸药爆炸产生的爆炸冲击波既有较高的超压峰值,又有较长的作用时间,遇到墙壁时会发生反射,产生反射高压,并会发生绕射汇聚,在墙后面一定区域内产生局部高压,与空中爆炸产生的爆炸冲击波相比,杀伤破坏作用更大。通过数值模拟能够清晰地看到爆炸冲击波的传播过程及其相互作用,可以确定爆炸冲击波到达各个位置处的时间。通过对比各个位置处的峰值超压,可以确定能有效毁伤一个确定工事的最佳药量。

消息传递接口  /  Euler方法  /  爆炸与冲击  /  数值模拟

The basic principle and the parallel design strategy of the PMMIC-3D parallel program which using Euler method based on the message passing interface (MPI) mode were stated. After numerically stimulating the fortification mode, it can be seen that the results of numerical stimulation basically match with the reality and the physical laws. The shock waves of explosive detonation in fortifications not only had a higher peak overpressure, but also had a longer duration of action. When the shock wave met the wall, it would reflect and produce the reflected high pressure. Because of the diffraction convergence, the local high pressure would be brought about in a certain region behind the wall, in which the destructive effect was much larger compared with the shock waves of air explosion. The propagation process and the interaction of shock waves can be seen clearly by the numerical stimulation, which can determine the arrival time of the shock waves at various positions. The optimal explosive charge can be ensured by comparing the overpressure value of shock waves at different places.

message passing interface (MPI)  /  Euler method  /  explosion and shock  /  numerical simulation
任会兰, 宁建国, 许香照. 不同炸药量在工事中爆炸的三维数值模拟. 高压物理学报, 2013 , 27 (2) : 216 -222 .
Hui-Lan REN, Jian-Guo NING, Xiang-Zhao XU. The 3-D Numerical Simulation for Different Explosive Charges in the Fortifications[J]. Chinese Journal of High Pressure Physics, 2013 , 27 (2) : 216 -222 .
  • 国家重点基础研究发展计划(2010CB832706)
  • 国家自然科学基金(11032002; 11172045)
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2013年第27卷第2期
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  • 接收时间:2013-03-20
  • 首发时间:2026-11-05
  • 出版时间:2013-04-15
补充材料
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出版历史
  • 收稿日期:2013-03-20
基金
国家重点基础研究发展计划(2010CB832706)
国家自然科学基金(11032002; 11172045)
作者信息
    北京理工大学爆炸科学与技术国家重点实验室,北京 100081

通讯作者:

宁建国(1963—),男,博士,教授,主要从事爆炸与毁伤技术、材料和结构动态力学研究. E-mail:
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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