Article(id=1325114963580289389, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325114904314786565, 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=1290960000000, receivedDateStr=2010-11-29, revisedDate=1297612800000, revisedDateStr=2011-02-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861626763, onlineDateStr=2026-11-05, pubDate=1344960000000, pubDateStr=2012-08-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861626763, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861626763, creator=13701087609, updateTime=1793861626763, updator=13701087609, issue=Issue{id=1325114904314786565, tenantId=1146029695717560320, journalId=1255847867265597444, year='2012', volume='26', issue='4', pageStart='361', pageEnd='480', issueExtLink='null', onlineDate='null', pubDate='1344960000000', pubDateStr='2012-08-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861612632, creator='13701087609', updateTime=1793861612632, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=442, endPage=448, ext={EN=ArticleExt(id=1325114963769033070, articleId=1325114963580289389, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Numerical Simulation of the Dispersion of Random Fragments under Asymmetrical Initiation, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Using AUTODYN-3D and the Stochastic random fragmentation model which based on the Mott's fragment distribution law, the scattering properties of the warhead fragments are numerically simulated and analyzed under three different ways of initiation including center point initiation, asymmetrical single point initiation and asymmetrical multi-point initiation. The results show that compared with center point initiation, the numbers of random fragments in the target area produced under asymmetrical single point initiation and asymmetrical multi-point initiation are increased by 37.12% and 62.86%, the availabilities of the fragments are improved by 4.01%-6.08%, and the average velocity gains are 25.95% and 28.37% respectively. Furthermore, the effects of the initiation radius on the scattering properties of the random fragments are obtained under asymmetrical initiation. It is shown that the numbers of fragments in the target area, the axial velocity and radial velocity are all reduced with the initiation radius increasing.

, authors=Bo ZHANG, Wei-Bing LI, Wen-Bin LI, Xiao-Ming WANG, Xu-Dong GAO, Yu ZHENG, authorsList=Bo ZHANG, Wei-Bing LI, Wen-Bin LI, Xiao-Ming WANG, Xu-Dong GAO, Yu ZHENG, 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=1325114964100383087, articleId=1325114963580289389, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=偏心起爆战斗部随机破片数值仿真, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

利用AUTODYN-3D软件和基于Mott破片分布理论的Stochastic随机破碎模型,对破碎型偏心起爆战斗部的破片形成进行了三维数值模拟,对比分析了3种起爆方式下自然破片的飞散特性以及偏心起爆时不同起爆半径随机破片的飞散特性。结果表明:偏心单点和偏心多点起爆在目标区域产生的破片数比中心点起爆分别提高了37.12%和62.86%,且破片质量小,破片的利用率可以提高4.01%~6.08%;偏心单点和偏心多点起爆的平均速度增益为25.95%和28.37%;对于偏心起爆,随着起爆半径的减小,目标区域的随机破片数减小,轴向速度和径向速度也随之减小。

, authors=张博, 李伟兵, 李文彬, 王晓鸣, 高旭东, 郑宇, authorsList=张博, 李伟兵, 李文彬, 王晓鸣, 高旭东, 郑宇, authorCompany=null, correspAuthors=null, authorNote=

张博(1987-),男,硕士研究生,主要从事弹丸终点效应与目标毁伤技术研究. E-mail:

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张博(1987-),男,硕士研究生,主要从事弹丸终点效应与目标毁伤技术研究. E-mail:

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张博(1987-),男,硕士研究生,主要从事弹丸终点效应与目标毁伤技术研究. E-mail:

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偏心起爆战斗部随机破片数值仿真
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张博 , 李伟兵 , 李文彬 , 王晓鸣 , 高旭东 , 郑宇
高压物理学报 | 2012,26(4): 442-448
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高压物理学报 | 2012 , 26 (4) : 442 -448
偏心起爆战斗部随机破片数值仿真
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张博(1987-),男,硕士研究生,主要从事弹丸终点效应与目标毁伤技术研究. E-mail:

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张博 , 李伟兵, 李文彬, 王晓鸣, 高旭东, 郑宇
作者信息
  • 南京理工大学智能弹药技术国防重点学科实验室,江苏 南京 210094
作者简介:

张博(1987-),男,硕士研究生,主要从事弹丸终点效应与目标毁伤技术研究. E-mail:

Numerical Simulation of the Dispersion of Random Fragments under Asymmetrical Initiation
Bo ZHANG , Wei-Bing LI, Wen-Bin LI, Xiao-Ming WANG, Xu-Dong GAO, Yu ZHENG
Affiliations
  • ZNDY of Ministerial Key Laboratory, Nanjing University of Science and Technology, Nanjing 210094, China
出版时间: 2012-08-15
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利用AUTODYN-3D软件和基于Mott破片分布理论的Stochastic随机破碎模型,对破碎型偏心起爆战斗部的破片形成进行了三维数值模拟,对比分析了3种起爆方式下自然破片的飞散特性以及偏心起爆时不同起爆半径随机破片的飞散特性。结果表明:偏心单点和偏心多点起爆在目标区域产生的破片数比中心点起爆分别提高了37.12%和62.86%,且破片质量小,破片的利用率可以提高4.01%~6.08%;偏心单点和偏心多点起爆的平均速度增益为25.95%和28.37%;对于偏心起爆,随着起爆半径的减小,目标区域的随机破片数减小,轴向速度和径向速度也随之减小。

随机破片  /  偏心起爆  /  中心点起爆  /  飞散特性  /  起爆半径

Using AUTODYN-3D and the Stochastic random fragmentation model which based on the Mott's fragment distribution law, the scattering properties of the warhead fragments are numerically simulated and analyzed under three different ways of initiation including center point initiation, asymmetrical single point initiation and asymmetrical multi-point initiation. The results show that compared with center point initiation, the numbers of random fragments in the target area produced under asymmetrical single point initiation and asymmetrical multi-point initiation are increased by 37.12% and 62.86%, the availabilities of the fragments are improved by 4.01%-6.08%, and the average velocity gains are 25.95% and 28.37% respectively. Furthermore, the effects of the initiation radius on the scattering properties of the random fragments are obtained under asymmetrical initiation. It is shown that the numbers of fragments in the target area, the axial velocity and radial velocity are all reduced with the initiation radius increasing.

random fragment  /  asymmetrical initiation  /  center point initiation  /  scattering property  /  initiation radius
张博, 李伟兵, 李文彬, 王晓鸣, 高旭东, 郑宇. 偏心起爆战斗部随机破片数值仿真. 高压物理学报, 2012 , 26 (4) : 442 -448 .
Bo ZHANG, Wei-Bing LI, Wen-Bin LI, Xiao-Ming WANG, Xu-Dong GAO, Yu ZHENG. Numerical Simulation of the Dispersion of Random Fragments under Asymmetrical Initiation[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (4) : 442 -448 .
  • 江苏省普通高校研究生科研创新计划项目(CX09B_087Z)
  • 南京理工大学自主科研专项计划项目(ZDJH02)
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Yan H X, Jiang C L, Li M, et al. Numerical simulation of effect of different initiation positions on a certain focusing fragment warhead[J]. Chinese Journal of Energetic Materials, 2009, 17(2): 143-146. (in Chinese)
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Wang S S, Ma X F, Sui S Y, et al. Experimental research on fragments dispersion of the warhead under asymmetrical multi-spots initiation[J]. Journal of Beijing Institute of Technology, 2001, 21(2): 177-179. (in Chinese)
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蒋建伟, 张谋, 门建兵, 等. PELE弹侵彻过程壳体膨胀破裂的数值模拟[J]. 计算力学学报, 2009, 26(4): 568-572.
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2012年第26卷第4期
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  • 接收时间:2010-11-29
  • 首发时间:2026-11-05
  • 出版时间:2012-08-15
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  • 收稿日期:2010-11-29
  • 修回日期:2011-02-14
基金
江苏省普通高校研究生科研创新计划项目(CX09B_087Z)
南京理工大学自主科研专项计划项目(ZDJH02)
作者信息
    南京理工大学智能弹药技术国防重点学科实验室,江苏 南京 210094
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