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题名: Complex fields in heterogeneous materials under shock: modeling, simulation and analysis
作者: Xu, AG ;  Zhang, GC ;  Ying, YJ ;  Wang, C
刊名: SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
出版日期: 2016
卷号: 59, 期号:5, 页码:650501
关键词: complex fields ;  heterogeneous material ;  molecular dynamics ;  material point method ;  discrete Boltzmann model
学科分类: Physics
DOI: http://dx.doi.org/10.1007/s11433-016-5801-0
通讯作者: Xu, AG (reprint author), Inst Appl Phys & Computat Math, Lab Computat Phys, POB 8009-26, Beijing 100088, Peoples R China. ;  Xu, AG (reprint author), Peking Univ, Coll Engn, MOE Key Ctr High Energy Dens Phys Simulat, Ctr Appl Phys & Technol, Beijing 100871, Peoples R China. ;  Xu, AG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: In this mini-review we summarize the progress of modeling, simulation and analysis of shock responses of heterogeneous materials in our group in recent years. The basic methodology is as below. We first decompose the problem into different scales. Construct/Choose a model according to the scale and main mechanisms working at that scale. Perform numerical simulations using the relatively mature schemes. The physical information is transferred between neighboring scales in such a way: The statistical information of results in smaller scale contributes to establishing the constitutive equation in larger one. Except for the microscopic Molecular Dynamics (MD) model, both the mesoscopic and macroscopic models can be further classified into two categories, solidic and fluidic models, respectively. The basic ideas and key techniques of the MD, material point method and discrete Boltzmann method are briefly reviewed. Among various schemes used in analyzing the complex fields and structures, the morphological analysis and the home- built software, GISO, are briefly introduced. New observations are summarized for scales from the larger to the smaller.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: MATERIAL POINT METHOD ;  VOID GROWTH ;  LATTICE BOLTZMANN ;  DUCTILE FRACTURE ;  POROUS MATERIAL ;  HYPERVELOCITY IMPACT ;  MOLECULAR-DYNAMICS ;  COALESCENCE ;  IMPURITIES ;  NUCLEATION
收录类别: SCI
项目资助者: Science Foundation of LCP ;  National Natural Science Foundation of China [11475028, 11325209] ;  Opening Project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology) [KFJJ14-1M] ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF151CJ1]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21673
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Recommended Citation:
Xu, AG,Zhang, GC,Ying, YJ,et al. Complex fields in heterogeneous materials under shock: modeling, simulation and analysis[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2016,59(5):650501.
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