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Solar Coronal Modeling by Path-conservative HLLEM Riemann Solver
Li, Caixia; Feng, Xueshang; Xiang, Changqing; Zhang, Man; Li, Huichao; Wei, Fengsi
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL
2018
Volume867Issue:1Pages:42
DOI10.3847/1538-4357/aae200
ISSN0004-637X
Language英语
Keywordmagnetohydrodynamics (MHD) methods: numerical solar wind Sun: corona
AbstractIn this paper, we employ a path-conservative HLLEM finite-volume method (FVM) to solve the solar wind magnetohydrodynamics (MHD) systems of extended generalized Lagrange multiplier (EGLM) formulation with Galilean invariance (G-EGLM MHD equations). The governing equations of single-fluid solar wind plasma MHD are advanced by using a one-step MUSCL-type time integration with the logarithmic spacetime reconstruction. The code is programmed in FORTRAN language with Message Passing Interface parallelization in spherical coordinates with a six-component grid system. Then, the large-scale solar coronal structures during Carrington rotations (CRs) 2048, 2069, 2097, and 2121 are simulated by inputting the line-of-sight magnetic field provided by the Global Oscillation Network Group (GONG). These four CRs belong to the declining, minimum, rising, and maximum phases of solar activity. Numerical results basically generate the observed characteristics of structured solar wind and thus show the code's capability of simulating solar corona with complex magnetic topology.
Indexed BySCI
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6568
Collection空间科学部
Recommended Citation
GB/T 7714
Li, Caixia,Feng, Xueshang,Xiang, Changqing,et al. Solar Coronal Modeling by Path-conservative HLLEM Riemann Solver[J]. ASTROPHYSICAL JOURNAL,2018,867(1):42.
APA Li, Caixia,Feng, Xueshang,Xiang, Changqing,Zhang, Man,Li, Huichao,&Wei, Fengsi.(2018).Solar Coronal Modeling by Path-conservative HLLEM Riemann Solver.ASTROPHYSICAL JOURNAL,867(1),42.
MLA Li, Caixia,et al."Solar Coronal Modeling by Path-conservative HLLEM Riemann Solver".ASTROPHYSICAL JOURNAL 867.1(2018):42.
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