Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007apj...655.1110f&link_type=abstract
The Astrophysical Journal, Volume 655, Issue 2, pp. 1110-1126.
Astronomy and Astrophysics
Astronomy
22
Methods: Numerical, Magnetohydrodynamics: Mhd, Sun: Solar Wind
Scientific paper
In this paper, the spacetime conservation element and solution element (CESE) method is applied to three-dimensional magnetohydrodynamics (MHD) equations in Cartesian coordinates for solar wind plasma, with the purpose of modeling the steady state solar atmospheric study. To illustrate this newly developed scheme we have studied two examples: (1) two-dimensional coronal dynamical structure with multipole magnetic fields and (2) three-dimensional coronal dynamical structure, using measured solar surface magnetic fields and the empirical values of the plasma properties on the solar surface as the initial conditions for the set of MHD equations and then the relaxation method to achieve a quasi-steady state. From these examples we have shown that the newly developed modified spacetime CESE scheme possesses the ability to model the Sun-Earth environment and other astrophysical flows.
Feng Xueshang
Wu Shi Tsan
Zhou Yufen
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