Article(id=1323704230619525422, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323704219571724466, 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=1173283200000, receivedDateStr=2007-03-08, revisedDate=1177430400000, revisedDateStr=2007-04-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1793525281814, onlineDateStr=2026-11-01, pubDate=1204646400000, pubDateStr=2008-03-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793525281814, onlineIssueDateStr=2026-11-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793525281814, creator=13701087609, updateTime=1793525281814, updator=13701087609, issue=Issue{id=1323704219571724466, tenantId=1146029695717560320, journalId=1255847867265597444, year='2008', volume='22', issue='1', pageStart='1', pageEnd='112', issueExtLink='null', onlineDate='null', pubDate='1204646400000', pubDateStr='2008-03-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793525279180, creator='13701087609', updateTime=1793525279180, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=72, endPage=78, ext={EN=ArticleExt(id=1323704230808269103, articleId=1323704230619525422, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=An Eulerian Adaptive Mesh Refinement Method for Three Dimensional Elastic-Plastic Hydrodynamic Simulations, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Based on three dimensional elastic-plastic program MEPH3D, we design a three dimensional multi-component block-structured AMR program and solve many important problems which are encountered in combining block-structured AMR with the uniform-grid program MEPH3D, such as the rule of refinement and derefinement, how to fill in the new blocks or ghost cells, the storage of the ghost cell, how to choose the interpolation functions and how to construct a timestep routine. Here we present two methods to store the ghost cell, and three kinds of interpolation function. We define a variable to control the selection of the boundary condition, and we give three kinds of boundary condition to choose. The numerical results indicate that the program has the ability to computing high-speed impact and explosion problems, and spends less time when getting the same precision.

, authors=Jun LIU1, Chang-Jiang HE2, Xian-Hong LIANG2, authorsList=Jun LIU, Chang-Jiang HE, Xian-Hong LIANG, 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=1323704231068315952, articleId=1323704230619525422, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=三维弹塑性流体力学自适应欧拉方法研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

研究了三维多介质弹塑性流体力学欧拉数值方法的网格自适应技术,编制了可计算多介质弹塑性流体力学问题的三维自适应欧拉程序,解决了计算弹塑性问题时应用网格自适应方法所遇到的一系列关键问题,如网格细分和合并规则,父网格或子网格物理量的填充,幻影网格的选择、填充及存储方案,插值函数的选择及如何选择时间步长等问题。给出了侵彻、爆轰等弹塑性问题的数值算例,验证了方法的有效性。

, authors=刘军1, 何长江2, 梁仙红2, authorsList=刘军, 何长江, 梁仙红, authorCompany=null, correspAuthors=null, authorNote=

刘军(1981—),男,硕士研究生,主要从事计算力学研究. E-mail:

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刘军(1981—),男,硕士研究生,主要从事计算力学研究. E-mail:

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刘军(1981—),男,硕士研究生,主要从事计算力学研究. E-mail:

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三维弹塑性流体力学自适应欧拉方法研究
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刘军 1 , 何长江 2 , 梁仙红 2
高压物理学报 | 2008,22(1): 72-78
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高压物理学报 | 2008 , 22 (1) : 72 -78
三维弹塑性流体力学自适应欧拉方法研究
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刘军1 , 何长江2, 梁仙红2
作者信息
  • 1.中国工程物理研究院研究生部,北京 100088
  • 2.北京应用物理与计算数学研究所,北京 100088
作者简介:

刘军(1981—),男,硕士研究生,主要从事计算力学研究. E-mail:

An Eulerian Adaptive Mesh Refinement Method for Three Dimensional Elastic-Plastic Hydrodynamic Simulations
Jun LIU1 , Chang-Jiang HE2, Xian-Hong LIANG2
Affiliations
  • 1.Graduate School of CAEP, Beijing 100088, China
  • 2.Institute of Applied Physics and Computational Mathematics (IAPCM), Beijing 100088, China
出版时间: 2008-03-05
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研究了三维多介质弹塑性流体力学欧拉数值方法的网格自适应技术,编制了可计算多介质弹塑性流体力学问题的三维自适应欧拉程序,解决了计算弹塑性问题时应用网格自适应方法所遇到的一系列关键问题,如网格细分和合并规则,父网格或子网格物理量的填充,幻影网格的选择、填充及存储方案,插值函数的选择及如何选择时间步长等问题。给出了侵彻、爆轰等弹塑性问题的数值算例,验证了方法的有效性。

流体力学  /  弹塑性  /  欧拉方法  /  多介质  /  自适应  /  三维

Based on three dimensional elastic-plastic program MEPH3D, we design a three dimensional multi-component block-structured AMR program and solve many important problems which are encountered in combining block-structured AMR with the uniform-grid program MEPH3D, such as the rule of refinement and derefinement, how to fill in the new blocks or ghost cells, the storage of the ghost cell, how to choose the interpolation functions and how to construct a timestep routine. Here we present two methods to store the ghost cell, and three kinds of interpolation function. We define a variable to control the selection of the boundary condition, and we give three kinds of boundary condition to choose. The numerical results indicate that the program has the ability to computing high-speed impact and explosion problems, and spends less time when getting the same precision.

hydrodynamics  /  elastic-plastic  /  Eulerian method  /  multi-component  /  adaptive mesh refinement  /  3D
刘军, 何长江, 梁仙红. 三维弹塑性流体力学自适应欧拉方法研究. 高压物理学报, 2008 , 22 (1) : 72 -78 .
Jun LIU, Chang-Jiang HE, Xian-Hong LIANG. An Eulerian Adaptive Mesh Refinement Method for Three Dimensional Elastic-Plastic Hydrodynamic Simulations[J]. Chinese Journal of High Pressure Physics, 2008 , 22 (1) : 72 -78 .
  • 国家重点基础研究专项经费资助项目(2005CB321703)
  • 中国工程物理研究院科学技术基金(20050106)
参考文献 引证文献
排序方式:
[1]
Kravtsov A V, Klypin A A. Adaptive Refinement Tree-A New High-Resolution N-Body Code for Cosmological Simulations[J]. Astrophys J Suppl, 1997, 111: 73-94.
[2]
Berger M J, Oliger J. Adaptive Mesh Refinement for Hyperbolic Partial Differential Equations[J]. J Comput Phys, 1984, 53: 484-512.
[3]
Berger M J, Colella P. Local Adaptive Mesh Refinement for Shock Hydrodynamics[J]. J Comput Phys, 1989, 82: 64-84.
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Quirk J J. An Adaptive Grid Algorithm for Computational Shock Hydrodynamics[D]. Cranfield Institute of Technolog, 1991.
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de Zeeuw D, Powell K G. An Adaptively Refined Cartesian Mesh Solver for the Euler Equations[J]. J Comput Phys, 1993, 104: 56-68.
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He C J, Yu Z L, Feng Q J. 3D Eulerian Numerical Simulation Method of High Speed Impact[J]. Explosion and Shock Waves, 1999, 19(3): 216-221. (in Chinese)
何长江, 于志鲁, 冯其京. 高速碰撞的三维欧拉数值模拟方法[J]. 爆炸与冲击, 1999, 19(3): 216-221.
2008年第22卷第1期
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  • 接收时间:2007-03-08
  • 首发时间:2026-11-01
  • 出版时间:2008-03-05
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  • 收稿日期:2007-03-08
  • 修回日期:2007-04-25
基金
国家重点基础研究专项经费资助项目(2005CB321703)
中国工程物理研究院科学技术基金(20050106)
作者信息
    1.中国工程物理研究院研究生部,北京 100088
    2.北京应用物理与计算数学研究所,北京 100088
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2种不同金属材料的力学参数
科
Family
属数
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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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