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Dispersion-relationship-preserving seismic modelling using the cross-rhombus stencil with the finite-difference coefficients solved by an over-determined linear system
Chen, Guiting1,2,3; Wang, Yanfei1,2,3; Wang, Zhenli1,3; Zhang, Shuyang1,3
2020-05-21
Source PublicationGEOPHYSICAL PROSPECTING
ISSN0016-8025
Pages22
AbstractFinite-difference modeling with a cross-rhombus stencil with high-order accuracy in both spatial and temporal derivatives is a potential method for efficient seismic simulation. The finite-difference coefficients determined by Taylor-series expansion usually preserve the dispersion property in a limited wavenumber range and fixed angles of propagation. To construct the dispersion-relationship-preserving scheme for satisfying high-wavenumber components and multiple angles, we expand the dispersion relation of the cross-rhombus stencil to an over-determined system and apply a regularization method to obtain the stable least-squares solution of the finite-difference coefficients. The new dispersion-relationship-preserving based scheme not only satisfies several designated wavenumbers but also has high-order accuracy in temporal discretization. The numerical analysis demonstrates that the new scheme possesses a better dispersion characteristic and more relaxed stability conditions compared with the Taylor-series expansion based methods. Seismic wave simulations for the homogeneous model and the Sigsbee model demonstrate that the new scheme yields small dispersion error and improves the accuracy of the forward modelling.
KeywordAcoustics Wave Numerical study
DOI10.1111/1365-2478.12953
Funding OrganizationNational Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China
WOS KeywordACOUSTIC-WAVE-EQUATION ; TIME-SPACE DOMAIN ; ORDER ACCURACY ; SCHEMES ; PROPAGATION
Language英语
Funding ProjectNational Key R&D Program of The Ministry of Science and Technology of China[2018YFC1504203] ; National Key R&D Program of The Ministry of Science and Technology of China[2018YFC0603500]
Funding OrganizationNational Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China ; National Key R&D Program of The Ministry of Science and Technology of China
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000534355500001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96696
Collection油气资源研究院重点实验室
Corresponding AuthorWang, Yanfei
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, 19 Beitucheng Xilu, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chen, Guiting,Wang, Yanfei,Wang, Zhenli,et al. Dispersion-relationship-preserving seismic modelling using the cross-rhombus stencil with the finite-difference coefficients solved by an over-determined linear system[J]. GEOPHYSICAL PROSPECTING,2020:22.
APA Chen, Guiting,Wang, Yanfei,Wang, Zhenli,&Zhang, Shuyang.(2020).Dispersion-relationship-preserving seismic modelling using the cross-rhombus stencil with the finite-difference coefficients solved by an over-determined linear system.GEOPHYSICAL PROSPECTING,22.
MLA Chen, Guiting,et al."Dispersion-relationship-preserving seismic modelling using the cross-rhombus stencil with the finite-difference coefficients solved by an over-determined linear system".GEOPHYSICAL PROSPECTING (2020):22.
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