HPIC-LBM Method Based Simulation of Large Temporal-Spatial Scale 3D Turbulent Magnetic Reconnection on Supercomputer
Computer Science

Computer Science ›› 2019, Vol. 46 ›› Issue (8): 89-94.doi: 10.11896/j.issn.1002-137X.2019.08.014

• HPC China 2018 • Previous Articles     Next Articles

HPIC-LBM Method Based Simulation of Large Temporal-Spatial Scale 3D Turbulent Magnetic Reconnection on Supercomputer

YAN Hui1, ZHU Bo-jing2, WAN Wen1, ZHONG Yin1, David A YUNE3   

  1. (National Supercomputer Center in Guangzhou,Sun Yat-Sen University,Guangzhou 510006,China)1
    (Yunnan Observatories,Center for Astronomical Mega-Science,Chinese Academy of Sciences,Kunming 650216,China)2
    (Applied Physics and Applied Mathematics Department,Columbia University,New York 10027,USA)3
  • Received:2018-07-23 Online:2019-08-15 Published:2019-08-15

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Abstract: Large temporal-spatial scale turbulent magnetic reconnection (LTSTMR) is a general explosive astrophysical phenomena in space physics,solar physics and cosmology.To investigate this phenome,the mechanism of magnetic energy transfer-release-dissipation,plasma heating and acceleration of high energy particle should be learned,where the key is the role of turbulence.Previous 2D/2.5D simulation can only provide simplified physical pictures,which ignores the 3D nature and properties.By HPIC-LBM simulation on Tianhe-2 from National Supercomputer Center in Guang Zhou (NSCCGZ) with up to 100 000 CPU cores,the existence of oblique instability was firstly proved from fine structure simulation (0~500 km) of solar atmosphere activities.It also presented three kind of macroscopic representation inside the dissipation area:self-generating-organization,self-feeding-sustaining and interaction between magnetic field and plasma.This research provides a new tool for investigating 3D LTSTMR phenomenon on supercomputer

Key words: 3D turbulent magnetic reconnection, High performance computing, HPIC-LBM, Large temporal-spatial scale, Magnetic energy conversion-release-dissipation, Particle accelerating

CLC Number: 

  • O124
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