A Parallel Two-fluid Code for Global Magnetic Reconnection Studies | Zendy

J. Breslau | Zendy; S.C. Jardin | Zendy

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A Parallel Two-fluid Code for Global Magnetic Reconnection Studies

Author(s) -

J. Breslau,

S.C. Jardin

Publication year - 2001

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/787906

Subject(s) - magnetohydrodynamics , magnetohydrodynamic drive , magnetic reconnection , scalability , resistive touchscreen , physics , code (set theory) , computation , computational science , computational fluid dynamics , plasma , computer science , mechanics , parallel computing , computational physics , algorithm , set (abstract data type) , quantum mechanics , database , computer vision , programming language

This paper describes a new algorithm for the computation of two-dimensional resistive magnetohydrodynamic (MHD) and two-fluid studies of magnetic reconnection in plasmas. It has been implemented on several parallel platforms and shows good scalability up to 32 CPUs for reasonable problem sizes. A fixed, nonuniform rectangular mesh is used to resolve the different spatial scales in the reconnection problem. The resistive MHD version of the code uses an implicit/explicit hybrid method, while the two-fluid version uses an alternating-direction implicit (ADI) method. The technique has proven useful for comparing several different theories of collisional and collisionless reconnection

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