Article(id=1322943453532926020, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1322943429629588359, 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=1217433600000, receivedDateStr=2008-07-31, revisedDate=1223740800000, revisedDateStr=2008-10-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343898422, onlineDateStr=2026-10-30, pubDate=1244995200000, pubDateStr=2009-06-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343898422, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343898422, creator=13701087609, updateTime=1793343898422, updator=13701087609, issue=Issue{id=1322943429629588359, tenantId=1146029695717560320, journalId=1255847867265597444, year='2009', volume='23', issue='3', pageStart='161', pageEnd='240', issueExtLink='null', onlineDate='null', pubDate='1244995200000', pubDateStr='2009-06-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343892723, creator='13701087609', updateTime=1793343892723, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=215, endPage=222, ext={EN=ArticleExt(id=1322943453839110213, articleId=1322943453532926020, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Numerical and Experimental Study onExplosively Formed Projectile with Fins, columnId=0, journalTitle=Chinese Journal of High Pressure Physics, columnName=, runingTitle=null, highlight=null, articleAbstract=

It is a new method to produce an explosively formed projectile (EFP) with fins by attaching aluminum cover on the liner. Experimental and numerical research were performed using this new method. Furthermore, the mechanism of forming fins was discussed. The new method of forming EFP with fins was simulated by LS-DYNA, and a contrastive analysis was carried out on three typical liners, including big-cone shaped, imperfect-sphere shaped and arc-cone shaped. The results from 3D numerical simulations and experiments were also analysed. Comparison of results show that three kind of liners could form obvious fins by this new method, and the results of numerical simulations are in agreement with the experiment data. The research provides a new reference method for designing EFP with fins.

, authors=Jia-Jian LIN1, 2, Hui-Qi REN1, Zhao-Wu SHEN2, authorsList=Jia-Jian LIN, Hui-Qi REN, Zhao-Wu SHEN, authorCompany=null, correspAuthors=null, authorNote=

LIN Jia-Jian(1979—), male, PhD candidate, major in explosive on mechanics. E-mail:

, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=sZzsH8MRuwZe2edSEf0s6w==, magXml=WZKENbwCQis4fvA0WG0TCw==, pdfUrl=null, pdf=vpdo74pTTyCkwdoV85ocwg==, pdfFileSize=5304932, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=gV8+8b+uDlUt+0R1qtyiMg==, mapNumber=null, fund=null), CN=ArticleExt(id=1322943454065602630, articleId=1322943453532926020, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=尾翼型爆炸成型弹丸的数值模拟及实验研究, columnId=null, journalTitle=高压物理学报, columnName=null, runingTitle=null, highlight=null, articleAbstract=

在药型罩上粘附铝隔板是一种新的形成尾翼型爆炸成型弹丸(Explosively Formed Projectile,EFP)的实验方法。通过实验和数值模拟对该方法进行了分析,探讨了形成尾翼的机理。利用有限元分析软件LS-DYNA,对大锥角型、球缺型和弧锥结合型3种不同药型罩在采用新方法时形成的尾翼型EFP进行了三维数值模拟分析,并将模拟结果与实验结果进行对比。研究结果表明:3种药型罩均能形成比较明显的尾翼,数值计算结果与实验结果较吻合。该研究为设计尾翼型EFP提供了一种新的参考方法。

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LIN Jia-Jian(1979—), male, PhD candidate, major in explosive on mechanics. E-mail:

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尾翼型爆炸成型弹丸的数值模拟及实验研究
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林加剑 1, 2 , 任辉启 1 , 沈兆武 2
高压物理学报 | 2009,23(3): 215-222
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高压物理学报 2009 , 23 (3) : 215 -222
尾翼型爆炸成型弹丸的数值模拟及实验研究
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林加剑1, 2 , 任辉启1, 沈兆武2
作者信息
  • 1.洛阳水利工程技术研究所,河南 洛阳 471023
  • 2.中国科学技术大学近代力学系,安徽 合肥 230026
Numerical and Experimental Study onExplosively Formed Projectile with Fins
Jia-Jian LIN1, 2 , Hui-Qi REN1, Zhao-Wu SHEN2
Affiliations
  • 1.Luoyang Institute of Hydraulic Engineering and Technology, Luoyang 471023, China
  • 2.Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China
  • LIN Jia-Jian(1979—), male, PhD candidate, major in explosive on mechanics. E-mail:

出版时间: 2009-06-15
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在药型罩上粘附铝隔板是一种新的形成尾翼型爆炸成型弹丸(Explosively Formed Projectile,EFP)的实验方法。通过实验和数值模拟对该方法进行了分析,探讨了形成尾翼的机理。利用有限元分析软件LS-DYNA,对大锥角型、球缺型和弧锥结合型3种不同药型罩在采用新方法时形成的尾翼型EFP进行了三维数值模拟分析,并将模拟结果与实验结果进行对比。研究结果表明:3种药型罩均能形成比较明显的尾翼,数值计算结果与实验结果较吻合。该研究为设计尾翼型EFP提供了一种新的参考方法。

爆炸成型弹丸  /  聚能装药  /  尾翼  /  隔板  /  爆炸力学

It is a new method to produce an explosively formed projectile (EFP) with fins by attaching aluminum cover on the liner. Experimental and numerical research were performed using this new method. Furthermore, the mechanism of forming fins was discussed. The new method of forming EFP with fins was simulated by LS-DYNA, and a contrastive analysis was carried out on three typical liners, including big-cone shaped, imperfect-sphere shaped and arc-cone shaped. The results from 3D numerical simulations and experiments were also analysed. Comparison of results show that three kind of liners could form obvious fins by this new method, and the results of numerical simulations are in agreement with the experiment data. The research provides a new reference method for designing EFP with fins.

explosively formed projectile  /  shaped charge  /  fin  /  cover  /  explosive mechanics
林加剑, 任辉启, 沈兆武. 尾翼型爆炸成型弹丸的数值模拟及实验研究. 高压物理学报, 2009 , 23 (3) : 215 -222 .
Jia-Jian LIN, Hui-Qi REN, Zhao-Wu SHEN. Numerical and Experimental Study onExplosively Formed Projectile with Fins[J]. Chinese Journal of High Pressure Physics, 2009 , 23 (3) : 215 -222 .

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2009年第23卷第3期
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  • 接收时间:2008-07-31
  • 首发时间:2026-10-30
  • 出版时间:2009-06-15
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  • 收稿日期:2008-07-31
  • 修回日期:2008-10-12
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    1.洛阳水利工程技术研究所,河南 洛阳 471023
    2.中国科学技术大学近代力学系,安徽 合肥 230026
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2种不同金属材料的力学参数
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属数
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种数
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species
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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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