Article(id=1323704976022839668, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323704973204259532, 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=1148832000000, receivedDateStr=2006-05-29, revisedDate=1151510400000, revisedDateStr=2006-06-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1793525459533, onlineDateStr=2026-11-01, pubDate=1180972800000, pubDateStr=2007-06-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793525459533, onlineIssueDateStr=2026-11-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793525459533, creator=13701087609, updateTime=1793525459533, updator=13701087609, issue=Issue{id=1323704973204259532, tenantId=1146029695717560320, journalId=1255847867265597444, year='2007', volume='21', issue='2', pageStart='113', pageEnd='224', issueExtLink='null', onlineDate='null', pubDate='1180972800000', pubDateStr='2007-06-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793525458861, creator='13701087609', updateTime=1793525458861, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=113, endPage=120, ext={EN=ArticleExt(id=1323704976391938421, articleId=1323704976022839668, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Numerical Modeling of Spallation Experiments of Tantalum, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

A phenomenological model, which includes nonlinear elasticity (equation of state), rate-dependent plasticity, and void nucleation and growth, is provided for modeling the spallation behavior of tantalum. An implicit numerical technique, diagonally implicit Runge-Kutta method, is used to solve the constitutive rate-equations, and some improvements to the stability and accuracy of the solution are obtained. The model developed is used to simulate the plate impact experiments on tantalum. Comparisons are made between the model and the experimental data. Results show that close agreement between model predictions and experimental results is obtained for moderate or high velocity plate impact experiments, but some improvements in the model are necessary to predict the damage evolution and failure in incipient spall fracture of tantalum.

, authors=Song-Qing JIANG, Wen-Tao LIU, authorsList=Song-Qing JIANG, Wen-Tao LIU, 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=1323704976857506166, articleId=1323704976022839668, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=钽的层裂实验数值模拟, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用连续介质力学基唯象模型模拟分析了钽的平板撞击层裂行为。该模型包括了材料的非线性弹性(状态方程)、率相关塑性和孔洞的形核及生长等多种效应,并且采用一种对角隐式Runge-Kutta方法来求解本构率方程组,提高了热粘塑性本构关系计算的稳定性及精度。将数值模拟结果和相关实验数据进行了对比分析,结果表明,对于样品中的拉应力峰值明显高于材料层裂强度的实验(中、高速平板撞击实验),理论模型具有较好的预估能力,但对于临界层裂问题(低速平板撞击实验),该模型对材料损伤与失效过程的描述可能不够准确,需要进一步改进。

, authors=江松青, 刘文韬, authorsList=江松青, 刘文韬, authorCompany=null, correspAuthors=null, authorNote=

江松青(1969—),男,博士,副研究员,主要从事材料本构关系、动态损伤与断裂研究. E-mail:

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江松青(1969—),男,博士,副研究员,主要从事材料本构关系、动态损伤与断裂研究. E-mail:

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江松青(1969—),男,博士,副研究员,主要从事材料本构关系、动态损伤与断裂研究. E-mail:

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钽的层裂实验数值模拟
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江松青 , 刘文韬
高压物理学报 | 2007,21(2): 113-120
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高压物理学报 | 2007 , 21 (2) : 113 -120
钽的层裂实验数值模拟
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江松青 , 刘文韬
作者信息
  • 北京应用物理与计算数学研究所,北京 100088
作者简介:

江松青(1969—),男,博士,副研究员,主要从事材料本构关系、动态损伤与断裂研究. E-mail:

Numerical Modeling of Spallation Experiments of Tantalum
Song-Qing JIANG , Wen-Tao LIU
Affiliations
  • Beijing Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
出版时间: 2007-06-05
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采用连续介质力学基唯象模型模拟分析了钽的平板撞击层裂行为。该模型包括了材料的非线性弹性(状态方程)、率相关塑性和孔洞的形核及生长等多种效应,并且采用一种对角隐式Runge-Kutta方法来求解本构率方程组,提高了热粘塑性本构关系计算的稳定性及精度。将数值模拟结果和相关实验数据进行了对比分析,结果表明,对于样品中的拉应力峰值明显高于材料层裂强度的实验(中、高速平板撞击实验),理论模型具有较好的预估能力,但对于临界层裂问题(低速平板撞击实验),该模型对材料损伤与失效过程的描述可能不够准确,需要进一步改进。

钽  /  层裂  /  率相关塑性  /  孔洞  /  对角隐式Runge-Kutta法  /  热粘塑性本构关系  /  临界层裂

A phenomenological model, which includes nonlinear elasticity (equation of state), rate-dependent plasticity, and void nucleation and growth, is provided for modeling the spallation behavior of tantalum. An implicit numerical technique, diagonally implicit Runge-Kutta method, is used to solve the constitutive rate-equations, and some improvements to the stability and accuracy of the solution are obtained. The model developed is used to simulate the plate impact experiments on tantalum. Comparisons are made between the model and the experimental data. Results show that close agreement between model predictions and experimental results is obtained for moderate or high velocity plate impact experiments, but some improvements in the model are necessary to predict the damage evolution and failure in incipient spall fracture of tantalum.

tantalum  /  spallation  /  rate-dependent plasticity  /  void  /  diagonally implicit Runge-Kutta method  /  thermoviscoplastic constitutive relation  /  incipient spall fracture
江松青, 刘文韬. 钽的层裂实验数值模拟. 高压物理学报, 2007 , 21 (2) : 113 -120 .
Song-Qing JIANG, Wen-Tao LIU. Numerical Modeling of Spallation Experiments of Tantalum[J]. Chinese Journal of High Pressure Physics, 2007 , 21 (2) : 113 -120 .

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2007年第21卷第2期
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  • 接收时间:2006-05-29
  • 首发时间:2026-11-01
  • 出版时间:2007-06-05
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  • 收稿日期:2006-05-29
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    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
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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