Landi, S. and Londrillo, P. and Del Zanna, L. and Velli, M. (2009) Three-dimensional magnetic reconnection simulations using the Eulerian Conservative High Order (ECHO) code. Il nuovo cimento C, 32 (2). pp. 41-44. ISSN 1826-9885
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Abstract
Magnetic reconnection and shear driven instabilities are pervasive phenomena in the heliosphere and in astrophysical plasmas in general. Magnetic reconnection and Kelvin-Helmholtz-like instabilities require the use of high-order numerical approximations to study their linear and non-linear evolution. At the same time, in compressible MHD the dynamical activity following reconnection processes leads to formation of discontinuous modes which should be treated by shock-capturing numerical schemes. For this purpose we have designed an Eulerian Conservative High Order (ECHO) code in which, i) explicit diffusivity is taken into account, ii) high-order numerical approximations of flux derivatives are included and iii) shock-capturing algorithms are employed in managing flux discontinuities. This code has been applied successfully in studying the linear and non-linear 3D evolution of the tearing instability and in following the 3D evolution of a current sheet embedded in a sheared flow.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Magnetohydrodynamics and plasmas ; Magnetic reconnection ; Macroinstabilities (hydromagnetic, e.g., kink, fire-hose, mirror, ballooning, tearing, trapped-particle, flute, Rayleigh-Taylor, etc.) |
| Subjects: | 500 Scienze naturali e Matematica > 520 Astronomia e scienze connesse |
| Depositing User: | Marina Spanti |
| Date Deposited: | 25 Mar 2020 09:45 |
| Last Modified: | 25 Mar 2020 09:45 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/16483 |
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