Article(id=1322941097571385587, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1322940910270559211, 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=1189008000000, receivedDateStr=2007-09-06, revisedDate=1195488000000, revisedDateStr=2007-11-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343336717, onlineDateStr=2026-10-30, pubDate=1220544000000, pubDateStr=2008-09-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343336717, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343336717, creator=13701087609, updateTime=1793343336717, updator=13701087609, issue=Issue{id=1322940910270559211, tenantId=1146029695717560320, journalId=1255847867265597444, year='2008', volume='22', issue='3', pageStart='225', pageEnd='336', issueExtLink='null', onlineDate='null', pubDate='1220544000000', pubDateStr='2008-09-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343292062, creator='13701087609', updateTime=1793343292062, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=275, endPage=280, ext={EN=ArticleExt(id=1322941097793683700, articleId=1322941097571385587, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Study on 3D Computational Method by Coupling SPH Algorithm to Rigid Body Solution, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The 3D computational method and technique were studied by coupling SPH algorithm to rigid body solution. Based on the new method and technique, and combining with the Johnson-Cook, Johnson-Holmquist contitutive models, as well as the existing 3D synthetical Lagrangian finite element code CL3D, a new 3D Lagrangian code CRSPH3D was written out. The new code, CRSPH3D, is suitable to be used in the numerical simulation of the 3D problems of rigid projectile penetrating thick targets. The new code was applied to numerically simulate the processes of both rigid projectiles normally and obliquely impacting and perforating aluminum targets and rigid projectiles normally and obliquely impacting and penetrating thick concrete targets. For the problems of projectiles perferating aluminum targets, the simulation results gave good agreement to the experimental ones. And for the problems of projectiles penetrating concrete targets, the obtained results from simulations were qualitatively reasonable.

, authors=Long-He LIANG, Shi-Shun DONG, Zheng WANG, authorsList=Long-He LIANG, Shi-Shun DONG, Zheng WANG, 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=1322941098309583093, articleId=1322941097571385587, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=刚体与SPH耦合的三维数值方法研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

研究了刚性体与SPH(Smoothed Particle Hydrodynamics)方法相耦合的计算方法和技术,以此技术为核心,在原有三维综合拉氏程序CL3D的基础上,研制了适用于斜侵彻问题数值研究的刚性弹体与SPH靶体耦合计算的拉氏三维数值模拟程序CRSPH3D。针对金属材料编入了Johnson-Cook本构模型计算模块,针对混凝土材料编入了Johnson-Holmquist本构模型及与之配套的损伤模型和状态方程等的计算模块。用研制的计算程序对弹体分别正碰和斜碰穿透中厚铝靶和侵彻厚混凝土靶的过程进行了数值模拟计算和分析。结果表明,对于铝靶穿透问题,模拟计算得到的弹体剩余速度、弹体动能损失和贯穿图像与实验结果符合得较好。对于混凝土靶的侵彻问题也得到了与实验现象一致的、定性合理的图像。

, authors=梁龙河, 董师舜, 王政, authorsList=梁龙河, 董师舜, 王政, authorCompany=null, correspAuthors=null, authorNote=

梁龙河(1967—),男,硕士,副研究员,主要从事碰撞动力学研究. E-mail:

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梁龙河(1967—),男,硕士,副研究员,主要从事碰撞动力学研究. E-mail:

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keyword=SPH方法), Keyword(id=1322941101899907346, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1322941097571385587, language=CN, orderNo=5, keyword=斜碰撞), Keyword(id=1322941102034125075, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1322941097571385587, language=CN, orderNo=6, keyword=侵彻)], refs=[Reference(id=1322941102239645973, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1322941097571385587, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=null, journalName=null, refType=null, unstructuredReference=Zhang S C. 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刚体与SPH耦合的三维数值方法研究
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梁龙河 , 董师舜 , 王政
高压物理学报 | 2008,22(3): 275-280
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高压物理学报 | 2008 , 22 (3) : 275 -280
刚体与SPH耦合的三维数值方法研究
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梁龙河 , 董师舜, 王政
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:

梁龙河(1967—),男,硕士,副研究员,主要从事碰撞动力学研究. E-mail:

Study on 3D Computational Method by Coupling SPH Algorithm to Rigid Body Solution
Long-He LIANG , Shi-Shun DONG, Zheng WANG
Affiliations
  • Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
出版时间: 2008-09-05
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研究了刚性体与SPH(Smoothed Particle Hydrodynamics)方法相耦合的计算方法和技术,以此技术为核心,在原有三维综合拉氏程序CL3D的基础上,研制了适用于斜侵彻问题数值研究的刚性弹体与SPH靶体耦合计算的拉氏三维数值模拟程序CRSPH3D。针对金属材料编入了Johnson-Cook本构模型计算模块,针对混凝土材料编入了Johnson-Holmquist本构模型及与之配套的损伤模型和状态方程等的计算模块。用研制的计算程序对弹体分别正碰和斜碰穿透中厚铝靶和侵彻厚混凝土靶的过程进行了数值模拟计算和分析。结果表明,对于铝靶穿透问题,模拟计算得到的弹体剩余速度、弹体动能损失和贯穿图像与实验结果符合得较好。对于混凝土靶的侵彻问题也得到了与实验现象一致的、定性合理的图像。

计算力学  /  三维数值模拟程序  /  耦合计算方法  /  SPH方法  /  斜碰撞  /  侵彻

The 3D computational method and technique were studied by coupling SPH algorithm to rigid body solution. Based on the new method and technique, and combining with the Johnson-Cook, Johnson-Holmquist contitutive models, as well as the existing 3D synthetical Lagrangian finite element code CL3D, a new 3D Lagrangian code CRSPH3D was written out. The new code, CRSPH3D, is suitable to be used in the numerical simulation of the 3D problems of rigid projectile penetrating thick targets. The new code was applied to numerically simulate the processes of both rigid projectiles normally and obliquely impacting and perforating aluminum targets and rigid projectiles normally and obliquely impacting and penetrating thick concrete targets. For the problems of projectiles perferating aluminum targets, the simulation results gave good agreement to the experimental ones. And for the problems of projectiles penetrating concrete targets, the obtained results from simulations were qualitatively reasonable.

computational mechanics  /  3D numerical simulation code  /  coupling calculation method  /  smoothed particle hydrodynamics algorithm  /  oblique impact  /  penetration
梁龙河, 董师舜, 王政. 刚体与SPH耦合的三维数值方法研究. 高压物理学报, 2008 , 22 (3) : 275 -280 .
Long-He LIANG, Shi-Shun DONG, Zheng WANG. Study on 3D Computational Method by Coupling SPH Algorithm to Rigid Body Solution[J]. Chinese Journal of High Pressure Physics, 2008 , 22 (3) : 275 -280 .
  • 中国工程物理研究院科学技术基金(20060106; 2007A09002)
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2008年第22卷第3期
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  • 接收时间:2007-09-06
  • 首发时间:2026-10-30
  • 出版时间:2008-09-05
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  • 收稿日期:2007-09-06
  • 修回日期:2007-11-20
基金
中国工程物理研究院科学技术基金(20060106; 2007A09002)
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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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