SANE盘中的磁通量绳
Flux ropes in SANE disks
AI总结:
本文使用Athena++代码对超大质量黑洞周围SANE吸积流进行三维GRMHD模拟,研究了多极向磁环初始条件下磁通量绳在盘顶部的形成及其向日冕释放的过程。
摘要:
使用广义相对论磁流体力学(GRMHD)代码Athena++,对超大质量黑洞周围的热吸积流进行了三维数值模拟。我们重点关注SANE情形,初始磁场由环内具有相反方向极向磁场的多个磁环组成。利用模拟数据,我们研究了磁通量绳的形成,追踪了磁通量绳在盘顶部的形成过程,及其向日冕的释放。
英文摘要:
Three-dimensional numerical simulations of a hot accretion flow around a supermassive black hole are performed using the general relativity magneto-hydrodynamic (GRMHD) code Athena++. We focus on the case of SANE, with the initial magnetic field consisting of multiple loops with oppositely directed poloidal magnetic field in the torus. Using the simulation data, we investigate the formation of flux ropes, follow the forming of flux ropes atop the disk, and their release into corona.
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