Article(id=1323703474935964475, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323703473736397109, 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=1100534400000, receivedDateStr=2004-11-16, revisedDate=1105372800000, revisedDateStr=2005-01-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1793525101646, onlineDateStr=2026-11-01, pubDate=1141488000000, pubDateStr=2006-03-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793525101646, onlineIssueDateStr=2026-11-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793525101646, creator=13701087609, updateTime=1793525101646, updator=13701087609, issue=Issue{id=1323703473736397109, tenantId=1146029695717560320, journalId=1255847867265597444, year='2006', volume='20', issue='1', pageStart='1', pageEnd='112', issueExtLink='null', onlineDate='null', pubDate='1141488000000', pubDateStr='2006-03-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793525101360, creator='13701087609', updateTime=1793525101360, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=39, endPage=44, ext={EN=ArticleExt(id=1323703475414115132, articleId=1323703474935964475, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=2D Numerical Simulation of Explosive Damage Effect on Obstacles in Water, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The physical and computational models of explosive damage effect of obstacles in water are proposed. The conservation equations, the dynamic elastic-plastic constitutive relation and damaging criterion of concrete are established, together with the yielding criterion subjected to large strains, high strain rates and high pressures. Meanwhile, based on the multi-material Eulerian algorithm, the NM-MMIC code, which is a general 2D multi-material elastic-plastic hydrodynamics code with C++ language, is applied to simulate the damaging effects of obstacles in water by explosion with different charges and at different positions. The whole process of underwater explosion are visualized by VISC2D code. The pressure variation of the side of the obstacle facing to the explosive are demonstrated quantitatively. The optimum damage charge is obtained. The damaging degree, and the damage laws of the obstacle in water are evaluated. These results are valuable in designing and estimating ammunitions against obstacles in water.

, authors=Li HAO1, Jian-Guo NING2, Cheng WANG2, authorsList=Li HAO, Jian-Guo NING, Cheng WANG, authorCompany=null, correspAuthors=null, 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=1323703475925820221, articleId=1323703474935964475, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=水中障碍物爆炸毁伤效应的二维数值模拟, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

建立了水下障碍物的爆炸毁伤效应的物理模型和计算模型。建立了守恒方程组、混凝土的动态弹塑性本构关系和破坏准则,并确定了其在大应变、高应变率及高压条件下的的屈服准则。基于多物质流体的Euler算法,用面向对象的C++语言自行编制了NM-MMIC通用多物质二维流体弹塑性程序,对不同炸点位置、不同炸药量对轨条砦爆炸破坏过程进行数值模拟,并采用自行开发的后处理软件VISC2D实现了可视化,定量地反应了障碍物迎爆面所承受的压力变化过程,确定了轨条砦毁伤的最佳药量,并对毁伤程度进行了评价,得到了爆炸破障的毁伤规律。研究结果对设计和评价反水中障碍物的弹药具有一定的参考价值。

, authors=郝莉1, 宁建国2, 王成2, authorsList=郝莉, 宁建国, 王成, authorCompany=null, correspAuthors=null, authorNote=

郝莉(1963—),女,博士,副教授,主要研究方向为爆炸力学. E-mail:;

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水中障碍物爆炸毁伤效应的二维数值模拟
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郝莉 1 , 宁建国 2 , 王成 2
高压物理学报 | 2006,20(1): 39-44
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高压物理学报 | 2006 , 20 (1) : 39 -44
水中障碍物爆炸毁伤效应的二维数值模拟
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郝莉1 , 宁建国2, 王成2
作者信息
  • 1.北京建筑工程学院基础部,北京 100044
  • 2.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
作者简介:

郝莉(1963—),女,博士,副教授,主要研究方向为爆炸力学. E-mail:;

2D Numerical Simulation of Explosive Damage Effect on Obstacles in Water
Li HAO1 , Jian-Guo NING2, Cheng WANG2
Affiliations
  • 1.Beijing Institute of Civil Engineering and Architecture, Beijing 100044, China
  • 2.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
出版时间: 2006-03-05
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建立了水下障碍物的爆炸毁伤效应的物理模型和计算模型。建立了守恒方程组、混凝土的动态弹塑性本构关系和破坏准则,并确定了其在大应变、高应变率及高压条件下的的屈服准则。基于多物质流体的Euler算法,用面向对象的C++语言自行编制了NM-MMIC通用多物质二维流体弹塑性程序,对不同炸点位置、不同炸药量对轨条砦爆炸破坏过程进行数值模拟,并采用自行开发的后处理软件VISC2D实现了可视化,定量地反应了障碍物迎爆面所承受的压力变化过程,确定了轨条砦毁伤的最佳药量,并对毁伤程度进行了评价,得到了爆炸破障的毁伤规律。研究结果对设计和评价反水中障碍物的弹药具有一定的参考价值。

爆炸力学  /  毁伤效应  /  数值模拟

The physical and computational models of explosive damage effect of obstacles in water are proposed. The conservation equations, the dynamic elastic-plastic constitutive relation and damaging criterion of concrete are established, together with the yielding criterion subjected to large strains, high strain rates and high pressures. Meanwhile, based on the multi-material Eulerian algorithm, the NM-MMIC code, which is a general 2D multi-material elastic-plastic hydrodynamics code with C++ language, is applied to simulate the damaging effects of obstacles in water by explosion with different charges and at different positions. The whole process of underwater explosion are visualized by VISC2D code. The pressure variation of the side of the obstacle facing to the explosive are demonstrated quantitatively. The optimum damage charge is obtained. The damaging degree, and the damage laws of the obstacle in water are evaluated. These results are valuable in designing and estimating ammunitions against obstacles in water.

explosion mechanics  /  damaging effect  /  numerical simulation
郝莉, 宁建国, 王成. 水中障碍物爆炸毁伤效应的二维数值模拟. 高压物理学报, 2006 , 20 (1) : 39 -44 .
Li HAO, Jian-Guo NING, Cheng WANG. 2D Numerical Simulation of Explosive Damage Effect on Obstacles in Water[J]. Chinese Journal of High Pressure Physics, 2006 , 20 (1) : 39 -44 .
  • 国家自然科学基金资助项目(10572018)
  • 北京建筑工程学院博士科研启动基金(1004005)
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  • 接收时间:2004-11-16
  • 首发时间:2026-11-01
  • 出版时间:2006-03-05
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  • 收稿日期:2004-11-16
  • 修回日期:2005-01-11
基金
国家自然科学基金资助项目(10572018)
北京建筑工程学院博士科研启动基金(1004005)
作者信息
    1.北京建筑工程学院基础部,北京 100044
    2.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
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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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