Article(id=1322983249554841632, 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=1242748800000, receivedDateStr=2009-05-20, revisedDate=1251216000000, revisedDateStr=2009-08-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1793353386534, onlineDateStr=2026-10-30, pubDate=1266163200000, pubDateStr=2010-02-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793353386534, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793353386534, creator=13701087609, updateTime=1793353386534, 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=43, endPage=48, ext={EN=ArticleExt(id=1322983249705836577, articleId=1322983249554841632, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Finite Element Analysis on the Influence of PMMA Geometry on Explosion Cutting, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In order to improve the present aviation ejection lifesaving system and enhance success possibility of safe escape, the application of Miniature Detonating Cord (MDC) on the aviation ejection-escape-system is proposed. The explosion cutting process of plexiglass (PMMA) plate and Canopy by MDC are simulated employing nonlinear dynamic explicit program LS-DYNA3D. The variation of cutting depth with charge quantities is obtained, which agrees well with the experimental result. Simulation result shows that the geometry of PMMA has slight influence on the cutting effect. This study may provide the powerful foundation for the design of the aviation ejection lifesaving system.

, authors=Zhi-Hua WANG1, 2, Zhi-Qiang LI2, Hui-Lan REN1, Long-Mao ZHAO2, authorsList=Zhi-Hua WANG, Zhi-Qiang LI, Hui-Lan REN, Long-Mao ZHAO, authorCompany=null, correspAuthors=Hui-Lan REN, 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=1322983249915551778, articleId=1322983249554841632, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=有机玻璃的几何形状对爆炸切割影响的研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

为了改善现有的航空弹射救生系统,提高飞行员安全逃生的成功率,提出了微爆索切割技术在航空穿盖弹射救生系统中的应用。采用非线性动力显式程序LS-DYNA3D,对有机玻璃平板元件、航空舱盖的微爆索切割过程进行了数值计算分析,得到了不同装药量下有机玻璃平板元件、航空舱盖的切割深度,对比了有机玻璃的几何形状对微爆索切割深度的影响。模拟结果表明:有机玻璃平板切割实验对航空舱盖切割实验具有一定的指导意义,研究结果也可为微爆索线性切割航空舱盖的实验设计提供依据。

, authors=王志华1, 2, 李志强2, 任会兰1, 赵隆茂2, authorsList=王志华, 李志强, 任会兰, 赵隆茂, authorCompany=null, correspAuthors=任会兰, authorNote=

王志华(1977—),男,博士,副教授,主要从事材料和结构的动力学行为研究. E-mail:

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任会兰(1973—),女,博士,副教授。主要从事材料的动力学响应、本构模型和破坏特性的研究. E-mail:
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有机玻璃的几何形状对爆炸切割影响的研究
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王志华 1, 2 , 李志强 2 , 任会兰 1 , 赵隆茂 2
高压物理学报 | 2010,24(1): 43-48
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高压物理学报 | 2010 , 24 (1) : 43 -48
有机玻璃的几何形状对爆炸切割影响的研究
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王志华1, 2 , 李志强2, 任会兰1 , 赵隆茂2
作者信息
  • 1.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
  • 2.太原理工大学应用力学与生物医学工程研究所,山西 太原 030024
通讯作者:
任会兰(1973—),女,博士,副教授。主要从事材料的动力学响应、本构模型和破坏特性的研究. E-mail:
作者简介:

王志华(1977—),男,博士,副教授,主要从事材料和结构的动力学行为研究. E-mail:

Finite Element Analysis on the Influence of PMMA Geometry on Explosion Cutting
Zhi-Hua WANG1, 2 , Zhi-Qiang LI2, Hui-Lan REN1 , Long-Mao ZHAO2
Affiliations
  • 1.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
  • 2.Institute of Applied Mechanics and Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
出版时间: 2010-02-15
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为了改善现有的航空弹射救生系统,提高飞行员安全逃生的成功率,提出了微爆索切割技术在航空穿盖弹射救生系统中的应用。采用非线性动力显式程序LS-DYNA3D,对有机玻璃平板元件、航空舱盖的微爆索切割过程进行了数值计算分析,得到了不同装药量下有机玻璃平板元件、航空舱盖的切割深度,对比了有机玻璃的几何形状对微爆索切割深度的影响。模拟结果表明:有机玻璃平板切割实验对航空舱盖切割实验具有一定的指导意义,研究结果也可为微爆索线性切割航空舱盖的实验设计提供依据。

微爆索切割  /  层裂  /  有机玻璃  /  有限元分析

In order to improve the present aviation ejection lifesaving system and enhance success possibility of safe escape, the application of Miniature Detonating Cord (MDC) on the aviation ejection-escape-system is proposed. The explosion cutting process of plexiglass (PMMA) plate and Canopy by MDC are simulated employing nonlinear dynamic explicit program LS-DYNA3D. The variation of cutting depth with charge quantities is obtained, which agrees well with the experimental result. Simulation result shows that the geometry of PMMA has slight influence on the cutting effect. This study may provide the powerful foundation for the design of the aviation ejection lifesaving system.

micro detonation cord (MDC) cutting  /  spallation  /  plexiglass  /  Numerical simulation
王志华, 李志强, 任会兰, 赵隆茂. 有机玻璃的几何形状对爆炸切割影响的研究. 高压物理学报, 2010 , 24 (1) : 43 -48 .
Zhi-Hua WANG, Zhi-Qiang LI, Hui-Lan REN, Long-Mao ZHAO. Finite Element Analysis on the Influence of PMMA Geometry on Explosion Cutting[J]. Chinese Journal of High Pressure Physics, 2010 , 24 (1) : 43 -48 .
  • 国家自然科学基金(90716005; 10802055)
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2010年第24卷第1期
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  • 接收时间:2009-05-20
  • 首发时间:2026-10-30
  • 出版时间:2010-02-15
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出版历史
  • 收稿日期:2009-05-20
  • 修回日期:2009-08-26
基金
国家自然科学基金(90716005; 10802055)
作者信息
    1.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
    2.太原理工大学应用力学与生物医学工程研究所,山西 太原 030024

通讯作者:

任会兰(1973—),女,博士,副教授。主要从事材料的动力学响应、本构模型和破坏特性的研究. 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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