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  2. 地质与地球物理研究所
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  4. 中国科学院油气资源研究重点实验室
Numerical modelling of elastic waves based on the BFO-PSO algorithm

文献类型：期刊论文

作者Zhao PingQi2; He ShuMei2; Ni TianLu2; Zhao Ming2; Zhang JiaLiang2; Wu JiZhong2,3; Wei PengPeng2; Li WenDa1,4,5,6; Bai WenLei1,4,5,6
刊名CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
出版日期2021-07-01
卷号64期号:7页码:2461-2470
关键词BFO-PSO algorithm Finite-difference Numerical modelling Elastic waves
ISSN号0001-5733
DOI10.6038/cjg2021O0471
英文摘要Forward modelling of elastic waves is the foundation and key of seismic inversion and imaging. The Finite-Difference (FD) method is one of the most popular means used in such numerical modelling, in which the accuracy of the difference operator affects the quality and efficiency of the modelling. In this paper, we propose an optimal FD method based on the BFO-PSO algorithm, and apply it to numerical modelling of elastic waves. First, the three steps of chemotaxis, replication and dispersal in the BFO algorithm are introduced into the PSO algorithm, and a new BFO-PSO hybrid optimization algorithm with better global searching ability and faster convergence speed is generated. Then, we construct the objective function containing the FD coefficients. The BFO-PSO algorithm is used to solve the object function and obtain the optimal FD method. Finally, numerical modelling of elastic waves is performed with this optimal FD method based on the BFO-PSO algorithm on some models. Numerical dispersion analysis and modelling results indicate that the optimal FD method based on the BFO-PSO algorithm has a high accuracy while ensuring calculation efficiency, and can efficiently suppress the numerical dispersion and improve the accuracy and efficiency of numerical modelling.
WOS关键词GRID FINITE-DIFFERENCE ; OPTIMIZATION
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000718142400019
出版者SCIENCE PRESS
源URL[http://ir.iggcas.ac.cn/handle/132A11/103833]  
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Bai WenLei
作者单位1.Chinese Acad Sci, Key Lab Petr Resource Res, Beijing 100029, Peoples R China
2.PetroChina Dagang Oilfield Co, Tianjin 300280, Peoples R China
3.Northeast Petr Univ, Daqing 163318, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
5.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
6.Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Zhao PingQi,He ShuMei,Ni TianLu,et al. Numerical modelling of elastic waves based on the BFO-PSO algorithm[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2021,64(7):2461-2470.
APA Zhao PingQi.,He ShuMei.,Ni TianLu.,Zhao Ming.,Zhang JiaLiang.,...&Bai WenLei.(2021).Numerical modelling of elastic waves based on the BFO-PSO algorithm.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,64(7),2461-2470.
MLA Zhao PingQi,et al."Numerical modelling of elastic waves based on the BFO-PSO algorithm".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 64.7(2021):2461-2470.

入库方式： OAI收割

来源：地质与地球物理研究所

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