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An explicit scheme for ohmic dissipation with smoothed particle magneto-hydrodynamics | | Yusuke Tsukamoto
; Kazunari Iwasaki
; Shu-ichiro Inutsuka
; | | Date: |
20 May 2013 | | Abstract: | In this paper, we present an explicit scheme for Ohmic dissipation with
smoothed particle magneto-hydrodynamics (SPMHD). We propose a SPH
discretization of Ohmic dissipation and solve Ohmic dissipation part of
induction equation with the supertime-stepping method (STS) which allows us to
take a longer time-step than Courant-Friedrich-Levy stability condition. Our
scheme is second-order accurate in space and first-order accurate in time. Our
numerical experiments show that optimal choice of the parameters of STS for
Ohmic dissipation of SPMHD is {
u}sts ~ 0.01 and Nsts ~ 5. | | Source: | arXiv, 1305.4436 | | Services: | Forum | Review | PDF | Favorites | |
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