Article(id=1324026537393140359, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026500411957289, 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=1279468800000, receivedDateStr=2010-07-19, revisedDate=1289059200000, revisedDateStr=2010-11-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1793602125737, onlineDateStr=2026-11-02, pubDate=1323878400000, pubDateStr=2011-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793602125737, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793602125737, creator=13701087609, updateTime=1793602125737, updator=13701087609, issue=Issue{id=1324026500411957289, tenantId=1146029695717560320, journalId=1255847867265597444, year='2011', volume='25', issue='6', pageStart='481', pageEnd='576', issueExtLink='null', onlineDate='null', pubDate='1323878400000', pubDateStr='2011-12-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793602116921, creator='13701087609', updateTime=1793602876854, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324029687864897628, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026500411957289, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324029687864897629, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026500411957289, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=549, endPage=556, ext={EN=ArticleExt(id=1324026537581884040, articleId=1324026537393140359, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=2-D GEL Coupling Method and Its Numerical Simulation on Vessel to Explosion Impact Load, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

MF PPM (Piecewise-Parabolic Method) code based on Euler method and DEFEL (2-D Finite Elements Code) code based on Lagrange method were coupled according to the pressure and normal velocity consecutive rule. GEL (Ghost-fluid Euler-Lagrange) method was developed. This method has the advantage of performing large strain fluid field while small strain shell, complicated flow and interactions of many objects. A 2-D example was simulated and compared with the results in reference to prove the validity of the coupling code. Simulations on global and ellipsoidal explosion vessel yielded consistent results with experiments, proving that this program was valid to simulate the flow structure loaded by a blast wave from a central charge.

, authors=Lei LI, Jin-Song BAI, Kun LIU, Ping LI, authorsList=Lei LI, Jin-Song BAI, Kun LIU, Ping LI, authorCompany=null, correspAuthors=Jin-Song BAI, 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=1324026537774822025, articleId=1324026537393140359, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=二维GEL耦合方法的研究及对爆炸容器的数值模拟, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

将以Euler方法为基础的MF PPM(Piecewise-Parabolic Method)程序和以Lagrange方法为基础的DEFEL(2-D Finite Elements Code,二维流体弹塑性动力有限元)程序,根据压力和法向速度连续准则进行耦合,发展了基于Level Set的GEL(Ghost-Fluid Euler-Lagrange)方法。该方法在处理大变形流场与小变形结构以及复杂流动与多物体相互作用等问题具有优越性。通过二维算例的计算结果与文献比较,检验了GEL方法和耦合程序的正确性,并对球形和椭球封头的爆炸容器进行了数值模拟,通过与实验结果的比较分析,表明本研究程序可以比较好地处理内爆引起的壳体流固耦合问题。

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李蕾(1983—),女,硕士研究生,主要研究方向为计算流体力学. E-mail:

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柏劲松(1968—),男,博士,研究员,主要研究方向为计算流体动力学. E-mail:
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李蕾(1983—),女,硕士研究生,主要研究方向为计算流体力学. E-mail:

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李蕾(1983—),女,硕士研究生,主要研究方向为计算流体力学. E-mail:

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二维GEL耦合方法的研究及对爆炸容器的数值模拟
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李蕾 , 柏劲松 , 刘坤 , 李平
高压物理学报 | 2011,25(6): 549-556
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高压物理学报 | 2011 , 25 (6) : 549 -556
二维GEL耦合方法的研究及对爆炸容器的数值模拟
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李蕾 , 柏劲松 , 刘坤, 李平
作者信息
  • 中国工程物理研究院流体物理研究所,四川 绵阳 621900
通讯作者:
柏劲松(1968—),男,博士,研究员,主要研究方向为计算流体动力学. E-mail:
作者简介:

李蕾(1983—),女,硕士研究生,主要研究方向为计算流体力学. E-mail:

2-D GEL Coupling Method and Its Numerical Simulation on Vessel to Explosion Impact Load
Lei LI , Jin-Song BAI , Kun LIU, Ping LI
Affiliations
  • Institute of Fluid Physics, CAEP, Mianyang 621900, China
出版时间: 2011-12-15
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将以Euler方法为基础的MF PPM(Piecewise-Parabolic Method)程序和以Lagrange方法为基础的DEFEL(2-D Finite Elements Code,二维流体弹塑性动力有限元)程序,根据压力和法向速度连续准则进行耦合,发展了基于Level Set的GEL(Ghost-Fluid Euler-Lagrange)方法。该方法在处理大变形流场与小变形结构以及复杂流动与多物体相互作用等问题具有优越性。通过二维算例的计算结果与文献比较,检验了GEL方法和耦合程序的正确性,并对球形和椭球封头的爆炸容器进行了数值模拟,通过与实验结果的比较分析,表明本研究程序可以比较好地处理内爆引起的壳体流固耦合问题。

GEL方法  /  Euler-Lagrange程序耦合  /  爆炸容器

MF PPM (Piecewise-Parabolic Method) code based on Euler method and DEFEL (2-D Finite Elements Code) code based on Lagrange method were coupled according to the pressure and normal velocity consecutive rule. GEL (Ghost-fluid Euler-Lagrange) method was developed. This method has the advantage of performing large strain fluid field while small strain shell, complicated flow and interactions of many objects. A 2-D example was simulated and compared with the results in reference to prove the validity of the coupling code. Simulations on global and ellipsoidal explosion vessel yielded consistent results with experiments, proving that this program was valid to simulate the flow structure loaded by a blast wave from a central charge.

GEL method  /  Euler-Lagrange coupling  /  explosion-container
李蕾, 柏劲松, 刘坤, 李平. 二维GEL耦合方法的研究及对爆炸容器的数值模拟. 高压物理学报, 2011 , 25 (6) : 549 -556 .
Lei LI, Jin-Song BAI, Kun LIU, Ping LI. 2-D GEL Coupling Method and Its Numerical Simulation on Vessel to Explosion Impact Load[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (6) : 549 -556 .
  • 国家自然科学基金(11072228; 11002129)
  • 中国工程物理研究院科学技术发展基金(2011B0202005)
参考文献 引证文献
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Morano E, Arienti M, Hung P, et al. A Level Set Approach to Eulerian-Lagrangian Coupling[J]. J Comput Phys, 2003, 185: 213.
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Fedkiw R, Aslam T, Merriman B, et al. A Non-Oscillatory Eulerian Approach to Interfaces in Multimaterial Flows (The Ghost Fluid Method)[J]. J Comput Phys, 1999, 152: 457-492.
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Bai J S, Li P, Zhang Z J, et al. Application of the High-Resolution Godunov Method to the Multifluid flow Calculations[J]. Chin Phys, 2004, 13(12): 1992-1997.
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DYNA East Corporation. DEFEL User's Manual[Z]. Philadelphia, PA, 1988: 19104.
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Muller W, Osher S, Sethian J. Computational Interface Motion in Compressible Gas Dynamics[J]. J Comput Phys, 1992, 100: 209-228.
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Fedkiw R, Marquina A, Merriman B. An Isobaric Fix for the Overheating Problem in Multimaterial Compressible Flows[J]. J Comput Phys, 1999, 148: 545-578.
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霍宏发. 组合式爆炸容器动态特性分析及实验研究[D]. 西安: 西安交通大学, 2000.
2011年第25卷第6期
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  • 接收时间:2010-07-19
  • 首发时间:2026-11-02
  • 出版时间:2011-12-15
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  • 收稿日期:2010-07-19
  • 修回日期:2010-11-07
基金
国家自然科学基金(11072228; 11002129)
中国工程物理研究院科学技术发展基金(2011B0202005)
作者信息
    中国工程物理研究院流体物理研究所,四川 绵阳 621900

通讯作者:

柏劲松(1968—),男,博士,研究员,主要研究方向为计算流体动力学. E-mail:
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2种不同金属材料的力学参数
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种数
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占总种数比例
Percentage of
total species (%)
属
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种数
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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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