Article(id=1322983241275286497, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1322983225697641327, 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=1241884800000, receivedDateStr=2009-05-10, revisedDate=1253376000000, revisedDateStr=2009-09-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1793353384560, onlineDateStr=2026-10-30, pubDate=1266163200000, pubDateStr=2010-02-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793353384560, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793353384560, creator=13701087609, updateTime=1793353384560, updator=13701087609, issue=Issue{id=1322983225697641327, tenantId=1146029695717560320, journalId=1255847867265597444, year='2010', volume='24', issue='1', pageStart='1', pageEnd='80', issueExtLink='null', onlineDate='null', pubDate='1266163200000', pubDateStr='2010-02-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793353380846, creator='13701087609', updateTime=1793353380846, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=61, endPage=66, ext={EN=ArticleExt(id=1322983241480807394, articleId=1322983241275286497, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Numerical Analysis on Fragmentation Properties of the Steel Cylinder Subjected to Detonation of Internal Short Cylinderical Explosive Charge, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The characteristics of fragments, which are numerical studied with Smoothed Particle Hydrodynamic (SPH) algorithms, come from the steel cylinder subjected to the detonation of internal short cylinderical explosive charge. Grady spall model is employed to describe the spall failure of the steel cylinder. Stochastic failure is used to define the failure models, in which Mott distribution is used to depict the failure strain. Mass distribution and velocity of fragments are mainly discussed. The results show that the part near the head of explosive begins to fracture after the steel cylinder expands to a certain extent, and then the part around the explosive disaggregates to fragments. For the closed cylinder, the ends are the other weakness position. The fragments around the explosion centre are smaller with high velocity, while the fragments around cylinder ends are larger with low velocity. The fragments near the explosion centre are relatively concentrated in the space.

, authors=Xin-Zheng WANG1, 3, Song-Lin ZHANG1, 2, Guang-Ping ZOU3, authorsList=Xin-Zheng WANG, Song-Lin ZHANG, Guang-Ping ZOU, 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=1322983241891849187, articleId=1322983241275286497, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=内部短药柱爆炸作用下钢筒破裂特征的数值分析, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用光滑粒子(SPH)法研究了短药柱在钢筒内爆炸形成破片的特征,采用Grady层裂准则描述钢筒的层裂破坏,破坏模式为随机破坏,服从Mott分布。分析了破片的质量分布和速度,计算结果表明:钢筒经过一定膨胀后,首先在装药端部位置破裂,然后爆心附近的钢筒解体成破片,如果是封闭钢筒,钢筒端部也是形成破片的重要部位。爆心附近的破片质量小、速度高;端部的破片质量较大、速度低;爆心附近的破片相对集中。

, authors=王新征1, 3, 张松林1, 2, 邹广平3, authorsList=王新征, 张松林, 邹广平, authorCompany=null, correspAuthors=null, authorNote=

王新征(1979—),男,硕士研究生,工程师,主要从事爆炸冲击与结构防护研究. E-mail:

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王新征(1979—),男,硕士研究生,工程师,主要从事爆炸冲击与结构防护研究. E-mail:

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王新征(1979—),男,硕士研究生,工程师,主要从事爆炸冲击与结构防护研究. E-mail:

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内部短药柱爆炸作用下钢筒破裂特征的数值分析
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王新征 1, 3 , 张松林 1, 2 , 邹广平 3
高压物理学报 | 2010,24(1): 61-66
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高压物理学报 | 2010 , 24 (1) : 61 -66
内部短药柱爆炸作用下钢筒破裂特征的数值分析
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王新征1, 3 , 张松林1, 2, 邹广平3
作者信息
  • 1.西北核技术研究所,陕西 西安 710024
  • 2.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
  • 3.哈尔滨工程大学航天与建筑工程学院,黑龙江 哈尔滨 150001
作者简介:

王新征(1979—),男,硕士研究生,工程师,主要从事爆炸冲击与结构防护研究. E-mail:

Numerical Analysis on Fragmentation Properties of the Steel Cylinder Subjected to Detonation of Internal Short Cylinderical Explosive Charge
Xin-Zheng WANG1, 3 , Song-Lin ZHANG1, 2, Guang-Ping ZOU3
Affiliations
  • 1.Northwest Institute of Nuclear Technology, Xi'an 710024, China
  • 2.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
  • 3.College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China
出版时间: 2010-02-15
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采用光滑粒子(SPH)法研究了短药柱在钢筒内爆炸形成破片的特征,采用Grady层裂准则描述钢筒的层裂破坏,破坏模式为随机破坏,服从Mott分布。分析了破片的质量分布和速度,计算结果表明:钢筒经过一定膨胀后,首先在装药端部位置破裂,然后爆心附近的钢筒解体成破片,如果是封闭钢筒,钢筒端部也是形成破片的重要部位。爆心附近的破片质量小、速度高;端部的破片质量较大、速度低;爆心附近的破片相对集中。

钢筒  /  光滑粒子法  /  爆炸  /  破片  /  数值模拟

The characteristics of fragments, which are numerical studied with Smoothed Particle Hydrodynamic (SPH) algorithms, come from the steel cylinder subjected to the detonation of internal short cylinderical explosive charge. Grady spall model is employed to describe the spall failure of the steel cylinder. Stochastic failure is used to define the failure models, in which Mott distribution is used to depict the failure strain. Mass distribution and velocity of fragments are mainly discussed. The results show that the part near the head of explosive begins to fracture after the steel cylinder expands to a certain extent, and then the part around the explosive disaggregates to fragments. For the closed cylinder, the ends are the other weakness position. The fragments around the explosion centre are smaller with high velocity, while the fragments around cylinder ends are larger with low velocity. The fragments near the explosion centre are relatively concentrated in the space.

steel cylinder  /  Smoothed Particle Hydrodynamic (SPH)  /  explosion  /  fracture  /  numerical simulation
王新征, 张松林, 邹广平. 内部短药柱爆炸作用下钢筒破裂特征的数值分析. 高压物理学报, 2010 , 24 (1) : 61 -66 .
Xin-Zheng WANG, Song-Lin ZHANG, Guang-Ping ZOU. Numerical Analysis on Fragmentation Properties of the Steel Cylinder Subjected to Detonation of Internal Short Cylinderical Explosive Charge[J]. Chinese Journal of High Pressure Physics, 2010 , 24 (1) : 61 -66 .
  • 教育部博士点基金(20092304110003)
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  • 接收时间:2009-05-10
  • 首发时间:2026-10-30
  • 出版时间:2010-02-15
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  • 收稿日期:2009-05-10
  • 修回日期:2009-09-20
基金
教育部博士点基金(20092304110003)
作者信息
    1.西北核技术研究所,陕西 西安 710024
    2.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
    3.哈尔滨工程大学航天与建筑工程学院,黑龙江 哈尔滨 150001
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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
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