Numerical solution of magnetic flux emergence in gravity-stratified solar atmosphere

Details Numerical solution of magnetic flux emergence in gravity-stratified solar atmosphere Numerical solution of magnetic flux emergence in gravity-stratified solar atmosphere

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acaps..12...63s&link_type=abstract

(Acta Astrophysica Sinica, vol. 12, no. 1, 1992, p. 63-74) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 16, no. 2,

Physics

2

Magnetic Flux, Magnetohydrodynamics, Solar Atmosphere, Solar Gravitation, Solar Magnetic Field, Solar Physics, Computerized Simulation, Current Sheets, Magnetic Dipoles, Magnetohydrodynamic Flow

Scientific paper

Numerical MHD simulation in Lagrangian scheme is made of the dynamic evolution of the solar magnetic bipolar field in a gravity-stratified atmosphere when an antiparallel or parallel dipole emerges from the substratosphere. It is demonstrated that the emergence will lead to converging and descending motion of the plasma, and that a pressure must be added for the dipole to float. The floating results in the formation of a current sheet in the interface between the old and the new fields.

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