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Submicron size-scale mapping of carbonate effective elastic properties from FIB-SEM images and finite element method
Cheng, HuiHong1,2; Zhu BJ(朱伯靖)3,4; Yuen, David A.5; Shi, YaoLin1,2; Zhu, BJ, Chinese Acad Sci, Yunnan Observ, Kunming 650216, Peoples R China
发表期刊SCIENCE CHINA-EARTH SCIENCES
2017-03-01
卷号60期号:3页码:557-575
DOI10.1007/s11430-015-0132-9
产权排序第3完成单位
收录类别SCI ; EI
关键词Carbonate Effective Elastic Properties Finite Element Analysis Focused Ion Beam Nano-porosity Nano Pore Size
摘要In this paper, an automatic unstructured focused ion beam (FIB) and scanning electron microscopy (SEM) images induced representative volume element (RVE) finite element (FE) method is developed to predict submicron scale carbonate rock effective Young's and bulk moduli and Poisson's ratio on parallel CPU-GPU platform. Based on high resolution-contrast surface morphology and internal fabric-texture structure images from carbonate rock specimen (covered 0.12-64 mu m(2) area and 8000 mu m(3) domain), the cubic RVE FE models are constructed from different sites through Avizo with user-defined parameters Matlab coding. The effective Young's and bulk moduli and Poisson's ratio of the different RVEs and porosity and pore size are computed by using periodic boundary condition in the well-known FE software Abaqus. FE mesh sensitivity analysis has been conducted where all moduli converge to a certain constant value at larger FE mesh density. The effect of fabric-texture (pore size, shape, and distribution) on the elastic properties is discussed. The correlations between the computed effective elastic properties and pore size, porosity, RVE size have been established. The simulation results show that the effective Young's and bulk moduli and Poisson's ratio have strong anisotropic behavior and depend on RVE size, porosity and pore size. The RVE size, porosity and pore size are three independent factors in affecting of the effective elastic moduli, the effect mechanism of porosity and pore size is same while the effect mechanism of RVE size is difference.
项目资助者National Natural Science Foundation of China(41404078) ; Special Program for Applied Research on Super Computation of the NSFC-Guangdong Joint Fund (the second phase)
语种英语
学科领域天文学
文章类型Article
ISSN1674-7313
URL查看原文 ; 查看原文
WOS记录号WOS:000394988300013
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
关键词[WOS]HASHIN-SHTRIKMAN BOUNDS ; X-RAY MICROTOMOGRAPHY ; VELOCITY ANISOTROPY ; POROUS MATERIALS ; FREQUENCY RANGE ; MICRON SCALE ; RVE ; PROPAGATION ; MODULI ; ROCKS
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9851
专题太阳物理研究组
通讯作者Zhu, BJ, Chinese Acad Sci, Yunnan Observ, Kunming 650216, Peoples R China
作者单位1.Key Laboratory of Computational Geodynamics of Chinese Academy of Sciences, Beijing, 100049, China
2.College of Earth Science, University of Chinese Academy of Sciences, Beijing, 100049, China
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, China
4.Rock Mechanics and Carbon Store Lab, Department of Earth Sciences, Durham University, Durham, DH1 3LE, United Kingdom
5.Department of Earth Science and Minnesota Supercomputing Institute, University of Minnesota, Minneapolis, Department of Earth Science and Minnesota Supercomputing Institute, University of Minnesota, Minneapolis, 55455, United States
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GB/T 7714
Cheng, HuiHong,Zhu BJ,Yuen, David A.,et al. Submicron size-scale mapping of carbonate effective elastic properties from FIB-SEM images and finite element method[J]. SCIENCE CHINA-EARTH SCIENCES,2017,60(3):557-575.
APA Cheng, HuiHong,Zhu BJ,Yuen, David A.,Shi, YaoLin,&Zhu, BJ, Chinese Acad Sci, Yunnan Observ, Kunming 650216, Peoples R China.(2017).Submicron size-scale mapping of carbonate effective elastic properties from FIB-SEM images and finite element method.SCIENCE CHINA-EARTH SCIENCES,60(3),557-575.
MLA Cheng, HuiHong,et al."Submicron size-scale mapping of carbonate effective elastic properties from FIB-SEM images and finite element method".SCIENCE CHINA-EARTH SCIENCES 60.3(2017):557-575.
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