A two-dimensional MHD global coronal model - Steady-state streamers

Details A two-dimensional MHD global coronal model - Steady-state streamers A two-dimensional MHD global coronal model - Steady-state streamers

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993soph..147...55w&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 147, no. 1, p. 55-71.

Physics

46

Magnetohydrodynamics, Solar Corona, Solar Wind, Stellar Mass Ejection, Two Dimensional Models, Boundary Conditions, Magnetic Field Configurations, Method Of Characteristics, Steady State

Scientific paper

We describe a two-dimensional time-dependent, numerical, magnetohydrodynamic model for the determination of the physical properties of coronal streamers from the top of the transition zone (solar radius = 1) to 15 solar radii. Four examples are given: for dipole, quadrupole, and hexapole initial field topologies. The computed parameters are density, temperature, velocity, and magnetic field. In addition to the properties of the solutions, their accuracy is discussed. We use the model as the basis for a general discussion of the way boundary conditions are specified in this and similar simulations.

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