Physics – Plasma Physics
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phfl...26..117s&link_type=abstract
Physics of Fluids, vol. 26, Jan. 1983, p. 117-123.
Physics
Plasma Physics
54
Plasma Physics, Tearing Modes (Plasmas), Boundary Conditions, Boundary Value Problems, Eigenvectors, Reynolds Number, Scaling Laws, Solar Atmosphere
Scientific paper
A numerical model of resistive magnetic tearing is developed in order to verify and relate the results of the principal approximations used in analytic analyses and to investigate the solutions and their growth-rate scalings over a large range of primary parameters which include parametric values applicable to the solar atmosphere. The computations cover the linear behavior for a variety of boundary conditions, emphasizing effects which differentiate magnetic tearing in astrophysical situations from that in laboratory devices. Eigenfunction profiles for long and short wavelengths are computed and the applicability of the 'constant psi' approximation is investigated. The growth rate is computed for values of the magnetic Reynolds number up to a trillion and of the dimensionless wavelength parameter down to 0.001. The analysis predicts significant effects due to differing values of the magnetic Reynolds number.
Steinolfson Richard S.
van Hoven Gerard
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