Darwin-Vlasov simulations of magnetised plasmas

JOURNAL OF COMPUTATIONAL PHYSICS

卷:214

Article

Schmitz, H ; Grauer, R

关键词: Vlasov simulations;    positive flux-conservative scheme;    Darwin approximation;    Boris scheme;    reconnections;   

DOI  :  10.1016/j.jcp.2005.10.013

来源: Elsevier

【 摘 要 】

We present a new Vlasov code for collisionless plasmas in the non relativistic regime. A Darwin approximation is used for suppressing electromagnetic vacuum modes. The spatial integration is based oil an extension of the flux-conservative scheme, introduced by Filbet et al. [F. Filbet, E. Sonnendrucker, P. Bertrand, Conservative numerical schemes for the Vlasov equation, J. comput. Phys. 172 (2001) 166]. Performance and accuracy is demonstrated by comparing it to it standard finite differences scheme for two test cases, a Harris sheet magnetic reconnection scenario. This comparison suggests that the presented scheme is it promising alternative to finite difference schemes. (c) 2005 Elsevier Inc. All rights reserved.

【 授权许可】

Free