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Magnetorotational Mechanism: 2D Simulation

Published online by Cambridge University Press:  12 April 2016

N.V. Ardeljan ,
G.S. Bisnovatyi-Kogan  and
S.G. Moiseenko
N.V. Ardeljan
Affiliation:
Department of Computational Mathematics and Cybernetics, Moscow State University, Vorobjevy Gory, Moscow B-234 119899, [email protected]
G.S. Bisnovatyi-Kogan
Affiliation:
Space Research Institute, Profsoyuznaya 84/32, Moscow 117810, [email protected], [email protected]
S.G. Moiseenko
Affiliation:
Space Research Institute, Profsoyuznaya 84/32, Moscow 117810, [email protected], [email protected]

Abstract

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In the paper we present results of numerical simulations of magnetorotational model of explosion of magnetized cloud. For the simulation we used a specially developed 2D implicit numerical scheme on Lagrangian triangular grid with grid reconstruction. Our results show that due to the amplification of toroidal magnetic field component and transfer of angular momentum, a compression wave in the envelope of the cloud appears and moves through rapidly decreasing density background. This wave turns into a shock wave and pushes out part of the envelope of the star. Quantitative estimates of mass and energy carried away are given.

Type
Part III Observations and Modeling of the Local Bubble and the SXRB
Information
International Astronomical Union Colloquium , Volume 166: The Local Bubble and Beyond , 1997 , pp. 145 - 148
Copyright
Copyright © Springer-Verlag 1998

References

Ardeljan, N.V., Bisnovatyi-Kogan, G.S., Kosmachevskii, K.V., Moiseenko, S.G., 1996a, A&AS, 115, 573 Google Scholar
Ardeljan, N.V., Bisnovatyi-Kogan, G.S., Moiseenko, S.G., 1996b, Ap&SS, 115, 573 Google Scholar
Ardeljan, N.V., Bisnovatyi-Kogan, G.S., Popov, Ju.P., Chernigovskii, S.V., 1987, AZh, 64, 761 Google Scholar
Bisnovatyi-Kogan, G.S., 1970, AZh, 14, 652 Google Scholar