中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 地质与地球物理研究所
  3. 中国科学院地质与地球物理研究所
  4. 中国科学院油气资源研究重点实验室
Modeling of frequency-domain elastic-wave equation with a general optimal scheme

文献类型：期刊论文

作者Li, Aman1,2,3; Liu, Hong1,2,3; Yuan, Yuxin1,2,3; Hu, Ting1,2,3; Guo, Xuebao1,2,3,4
刊名JOURNAL OF APPLIED GEOPHYSICS
出版日期2018-12-01
卷号159页码:1-15
关键词Elastic wave Frequency-domain modeling Optimization
ISSN号0926-9851
DOI10.1016/j.jappgeo.2018.07.014
英文摘要Frequency-domain numerical modeling is an important foundation of frequency-domain full waveform inversion.However, the conventional 9-point scheme for frequency-domain 2D elastic-wave equation requires lots of sampling grid points but with limited precision. In this paper, we develop a general optimal 9-point scheme for frequency-domain 2D elastic-wave equation to reduce sampling grid points and improve the accuracy.The numerical dispersion analysis shows that this scheme can effectively reduce the grid point of per wavelength. The new scheme can be applied to equal and unequal spatial sampling intervals, which is convenient for their applications in practice Accuracy analysis demonstrates that the results of the optimal nine-point scheme are in better agreement with the analytic solutions relative to the conventional 9-point scheme.We deduce the perfectly matched layer (PML) absorbing boundary condition to eliminate the artificial boundary influence.Two numerical examples are used to demonstrate the effectiveness of the general optimal scheme for frequency-domainelastic-wave equation. (C) 2018 Elsevier B.V. All rights reserved.
WOS关键词FINITE-DIFFERENCE ; INVERSION ; SCALAR ; SPACE
资助项目Major State Research Development Program of China[2016YFC0601101] ; National Natural Science Foundation of China[41630319]
WOS研究方向Geology ; Mining & Mineral Processing
语种英语
WOS记录号WOS:000453644600001
出版者ELSEVIER SCIENCE BV
资助机构Major State Research Development Program of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; Major State Research Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/90298]  
专题地质与地球物理研究所_中国科学院油气资源研究重点实验室
通讯作者Li, Aman
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Northeast Petr Univ, Sch Earth Sci, Daqing 163318, Peoples R China
推荐引用方式
GB/T 7714		 Li, Aman,Liu, Hong,Yuan, Yuxin,et al. Modeling of frequency-domain elastic-wave equation with a general optimal scheme[J]. JOURNAL OF APPLIED GEOPHYSICS,2018,159:1-15.
APA Li, Aman,Liu, Hong,Yuan, Yuxin,Hu, Ting,&Guo, Xuebao.(2018).Modeling of frequency-domain elastic-wave equation with a general optimal scheme.JOURNAL OF APPLIED GEOPHYSICS,159,1-15.
MLA Li, Aman,et al."Modeling of frequency-domain elastic-wave equation with a general optimal scheme".JOURNAL OF APPLIED GEOPHYSICS 159(2018):1-15.

入库方式： OAI收割

来源：地质与地球物理研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。