南方科技大学知识苑(SUSTech KC): Convolutional perfect matched layer boundary for trapezoid grid finite difference seismic modeling

题名	Convolutional perfect matched layer boundary for trapezoid grid finite difference seismic modeling
作者	Wu, Bangyu 1,2; Xu, Wenhao 2,3; Jia, Junxiong 1,2; Li, Bo 2; Yang, Hui4 ; Zhao, Haixia 1,2; Gao, Jinghuai 3
通讯作者	Wu, Bangyu
DOI	10.1190/segam2018-2995754.1
发表日期	2018
会议录名称	88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018
页码	3989-3993
会议地点	Anaheim, CA, United states
出版者	Society of Exploration Geophysicists
摘要	Trapezoid grid Finite Difference (FD) changes the grid size according to velocity variations. Comparing with the FD algorithm for uniform grid size decided by the minimum velocity, it is a memory-efficient wave modeling scheme due to the reduction of grid number. The area for computation is limited in size and the absorbing boundary conditions are applied to reduce the artificial reflections from model boundaries. In this paper, the Convolutional Perfect Matched Layer (CPML) absorbing condition is derived for the trapezoid grid isotropic acoustic wave equation. Effectiveness of the CMPL is demonstrated on the numerical simulation examples. © 2018 SEG.
学校署名	其他
语种	英语
收录类别	EI
资助项目	National Natural Science Foundation of China[11501439] ; National Natural Science Foundation of China[4164123] ; National Natural Science Foundation of China[41604106] ; China Postdoctoral Science Foundation[41390450] ; China Postdoctoral Science Foundation[41390454] ; China Postdoctoral Science Foundation[2016M600780]
EI入藏号	20190106344207
EI主题词	Convolution ; Finite Difference Method
EI分类号	Information Theory And Signal Processing:716.1 ; Acoustics, Noise. Sound:751 ; Numerical Methods:921.6
来源库	EV Compendex
引用统计	被引频次[WOS]：0
成果类型	会议论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/50929
专题	理学院_地球与空间科学系
作者单位	1.School of Mathematics And Statistics, Xi'an Jiaotong University, China 2.SNOPEC Key Laboratory of Geophysics, China 3.School of Electronic and Information Engineering, Xi'an Jiaotong University, China 4.Department of Earth and Space Sciences, Southern University of Science and Technology, United States
推荐引用方式 GB/T 7714	Wu, Bangyu,Xu, Wenhao,Jia, Junxiong,et al. Convolutional perfect matched layer boundary for trapezoid grid finite difference seismic modeling[C]:Society of Exploration Geophysicists,2018:3989-3993.