The multi-hierarchy simulation model for magnetic reconnection is developed,where both micro andmacro hierarchies are expressed consistently and simultaneously.Two hierarchies are connected smoothly by shake-hand sche...The multi-hierarchy simulation model for magnetic reconnection is developed,where both micro andmacro hierarchies are expressed consistently and simultaneously.Two hierarchies are connected smoothly by shake-hand scheme.As a numerical test,propagation of one-dimensional Alfv´en wave is examined using the multihierarchy simulation model.It is found that waves smoothly pass through frommacro to micro hierarchies and vice versa.展开更多
A multi-hierarchy simulation model aiming magnetic reconnection studies is developed and improved in which macroscopic and microscopic physics are computed consistently and simultaneously.Macroscopic physics is solved...A multi-hierarchy simulation model aiming magnetic reconnection studies is developed and improved in which macroscopic and microscopic physics are computed consistently and simultaneously.Macroscopic physics is solved by magnetohydrodynamics(MHD)algorithm,while microscopic dynamics is expressed by particle-in-cell(PIC)algorithm.The multi-hierarchy model relies on the domain decomposition method,and macro-and micro-hierarchies are interlocked smoothly by hand-shake scheme.As examination,plasma flow injection is simulated in the multihierarchy model.It is observed that plasmas flow from a macro-hierarchy to a microhierarchy across the magnetic field smoothly and continuously.展开更多
基金This work was partially supported by a Grant-in-Aid for Scientific Research from the Japan Society for the Promotion of Science(No.18340188)the Research Cooperation Program on’Hierarchy and Holism in Natural Sciences 2’at National Institutes of Natu-ral Sciences,and General Coordinated Research at National Institute for Fusion Science(NIFS06KTAT037,NIFS07KNXN095).
文摘The multi-hierarchy simulation model for magnetic reconnection is developed,where both micro andmacro hierarchies are expressed consistently and simultaneously.Two hierarchies are connected smoothly by shake-hand scheme.As a numerical test,propagation of one-dimensional Alfv´en wave is examined using the multihierarchy simulation model.It is found that waves smoothly pass through frommacro to micro hierarchies and vice versa.
基金This work was partially supported by the Research Cooperation Program on Hierarchy and Holism in Natural Sciences 2 at the National Institutes of Natural Sciences and the General Coordinated Research at the National Institute for Fusion Science(NIFS09KNXN174,NIFS10KTAS003).
文摘A multi-hierarchy simulation model aiming magnetic reconnection studies is developed and improved in which macroscopic and microscopic physics are computed consistently and simultaneously.Macroscopic physics is solved by magnetohydrodynamics(MHD)algorithm,while microscopic dynamics is expressed by particle-in-cell(PIC)algorithm.The multi-hierarchy model relies on the domain decomposition method,and macro-and micro-hierarchies are interlocked smoothly by hand-shake scheme.As examination,plasma flow injection is simulated in the multihierarchy model.It is observed that plasmas flow from a macro-hierarchy to a microhierarchy across the magnetic field smoothly and continuously.
