Simulation of Electromagnetic Waves in a Magnetized Cold Plasma by the SO-DGTD Method

Simulation of Electromagnetic Waves in a Magnetized Cold Plasma by the SO-DGTD Method
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SO-DGTD 方法模拟磁化冷等离子体中的电磁波

DOI:
10.1109/tap.2018.2835727
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发表时间:
2018-08
影响因子:
5.7
通讯作者:
Ge Debiao
Ge Debiao
中科院分区:
计算机科学2区
文献类型:
--
作者:
Yang Qian;Wei Bing;Li Linqian;Ge Debiao

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本文提出了一种新的三维非连续Galerkin时域(DGTD)方法,即移位算子DGTD(SO-DGTD)方法,用于模拟磁化等离子体中的电磁波。本文将磁化等离子体的介电常数张量写成有理矩阵多项式函数,利用SO方法得到了电位移场D与电场E之间的时域迭代公式。通过对磁等离子体涂层球体和等离子体填充腔体的仿真,验证了该算法的有效性。最后,分析了磁化等离子体周期板的透射系数。
A novel discontinuous Galerkin time-domain (DGTD) method called the shift operator DGTD (SO-DGTD) method in the 3-D case is proposed for the simulation of electromagnetic waves in a magnetized plasma. In this paper, the electric permittivity tensor of the magnetized plasma is written as a rational matrix polynomial function; a time-domain iteration formula between the electric displacement field D and the electric field E is obtained by the SO method. The proposed algorithm is validated by a simulation of a magnetoplasma-coated sphere and a cavity filled with a plasma. Last, the transmission coefficients of magnetized plasma periodic slabs are analyzed.
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