磁化等离子体的Darwin-Vlasov模拟
Darwin-Vlasov Simulations of magnetized Plasmas
摘要：
我们提出了一个新的Vlasov代码的非相对论性制度的无碰撞等离子体。达尔文近似用于抑制电磁真空模式。空间积分基于Filbet等人[J. Comp. Phys. Vol.172（2001）166]引入的通量守恒方案的扩展。性能和准确性证明了它的两个测试用例，包括哈里斯片磁重联的情况下，通过比较一个标准的有限差分方案。这种比较表明，该计划是一个有前途的替代有限差分格式。
英文摘要：
We present a new Vlasov code for collisionless plasmas in the nonrelativistic regime. A Darwin approximation is used for suppressing electromagnetic vacuum modes. The spatial integration is based on an extension of the flux-conservative scheme, introduced by Filbet et al. [J. Comp. Phys. Vol. 172 (2001) 166]. Performance and accuracy is demonstrated by comparing it to a standard finite differences scheme for two test cases, including a Harris sheet magnetic reconnection scenario. This comparison suggests that the presented scheme is a promising alternative to finite difference schemes.
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