Magnetic Reconnection Under Solar Coronal Conditions with the 2.513 AMR Resistive MHD Model

ZHANG Shao-Hua; FENG Xue-Shang; WANG Yi; YANG Li-Ping

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Magnetic Reconnection Under Solar Coronal Conditions with the 2.513 AMR Resistive MHD Model

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@@ The evolutionary process of magnetic reconnection under solar coronal conditions is investigated with our recently developed 2.513 adaptive mesh refinement(AMR) resistive magneto hydrodynamics(MHD) model.We reveal the successive fragmentation and merging of plasmoids in a long-thin current sheet with Lundquist number Rm＝5.0×10(4).It is found that several big magnetic islands are formed eventually, with many slow-mode shocks bounding around the outflow regions.The multi-scale hierarchical-like structures of the magnetic reconnection are well resolved by the model and the AMR technique of the model can capture many fine pictures(e.g., the near-singular diffusion regions) of the development and simultaneously it can save a great deal of computing resources.

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《中国物理快报：英文版》 |2011年第8期|348-351|共4页
作者
ZHANG Shao-Hua; FENG Xue-Shang; WANG Yi; YANG Li-Ping;
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SIGMA Weather Group, State Key Laboratory for Space Weather, Center for Space Science and Applied Research,Chinese Academy of Sciences, Beijing 100190;

College of Earth Sciences, Graduate University of Chinese Academy of Sciences, Beijing 100049;

SIGMA Weather Group, State Key Laboratory for Space Weather, Center for Space Science and Applied Research,Chinese Academy of Sciences, Beijing 100190;

SIGMA Weather Group, State Key Laboratory for Space Weather, Center for Space Science and Applied Research,Chinese Academy of Sciences, Beijing 100190;

College of Earth Sciences, Graduate University of Chinese Academy of Sciences, Beijing 100049;

SIGMA Weather Group, State Key Laboratory for Space Weather, Center for Space Science and Applied Research,Chinese Academy of Sciences, Beijing 100190;

College of Earth Sciences, Graduate University of Chinese Academy of Sciences, Beijing 100049;

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Magnetic Reconnection Under Solar Coronal Conditions with the 2.513 AMR Resistive MHD Model

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