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Implicit dual-time stepping method for a solar wind model in spherical coordinates
Zhang, Man; Feng, Xueshang; Feng, XS (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, SIGMA Weather Grp, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationCOMPUTERS & FLUIDS
2015
Volume115Pages:115-123
ISSN0045-7930
Language英语
KeywordImplicit Dual Time-stepping Method Magnetohydrodynamics Equations Solar Wind
AbstractIn this paper, an implicit dual-time stepping scheme based on the finite volume method in spherical coordinates with a six-component grid system is developed to model the steady state solar wind. By adding a pseudo-time derivative to the magnetohydrodynamics equations for the solar wind plasma, the governing equations are solved implicitly at each physical time step by advancing in pseudo time. As a validation, ambient solar wind for Carrington rotation 2048 has been studied. Numerical tests with different Courant factors show its capability of producing structured solar wind and that the physical time step can be enlarged to be one hundred times that of the original one. Our numerical results have demonstrated overall good agreements with the observations. (C) 2015 Elsevier Ltd. All rights reserved.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4666
Collection空间科学部
Corresponding AuthorFeng, XS (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, SIGMA Weather Grp, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, Man,Feng, Xueshang,Feng, XS . Implicit dual-time stepping method for a solar wind model in spherical coordinates[J]. COMPUTERS & FLUIDS,2015,115:115-123.
APA Zhang, Man,Feng, Xueshang,&Feng, XS .(2015).Implicit dual-time stepping method for a solar wind model in spherical coordinates.COMPUTERS & FLUIDS,115,115-123.
MLA Zhang, Man,et al."Implicit dual-time stepping method for a solar wind model in spherical coordinates".COMPUTERS & FLUIDS 115(2015):115-123.
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