Numerical models for solar magnetic fluxtubes

Details Numerical models for solar magnetic fluxtubes Numerical models for solar magnetic fluxtubes

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...170..126s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 170, no. 1, Dec. 1986, p. 126-137.

Statistics

Computation

44

Computational Astrophysics, Magnetic Field Configurations, Magnetic Flux, Magnetostatics, Solar Magnetic Field, Base Pressure, Current Distribution, Electric Current, Iterative Solution, Twisting

Scientific paper

A fully self-consistent method for constructing magnetostatic solutions for magnetic fluxtubes is presented, and the method is applied to three untwisted fluxtube configurations, two in which a sheet current exists at the surface of the tube, and one in which the the internal magnetic field varies continuously as a Gaussian. Convergence was obtained in all three cases, though the rate of convergence and accuracy of the solution were superior for the continuous field distribution case. For twisted fluxtubes, a maximum twist compatible with equilibrium is found for a given configuration, and the merging height is shown to decrease slightly with increased twist and to increase if the twist is concentrated more toward the surface of the tube.

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