4.7 Article

A Novel DGTD Method Based on the Current Density Equation for Magnetized Cold Plasma

期刊

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 69, 期 6, 页码 3371-3380

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2020.3030988

关键词

Plasmas; Time-domain analysis; Current density; Magnetic domains; Mathematical model; Finite difference methods; Tensors; Current density equation; discontinuous Galerkin time-domain (DGTD) method; magnetized plasma

资金

  1. National Natural Science Foundation of China [61901324, 62001345]
  2. Pre-research Field Foundation [6140518020206]
  3. State Key Laboratory Foundation of National Defense Science and Technology [201702007, 201903002]
  4. State Key Laboratory Open Project of Simulation and Effects of Intense Pulse Radiation Environment [SKLIPR1705]
  5. China Postdoctoral Science Foundation [2019M653548, 2019M663928XB]
  6. Foundation of National Key Laboratory of Electromagnetic Environment [201903002]
  7. Fundamental Research Funds for the Central Universities [XJS200501, XJS200507, JB200501]

向作者/读者索取更多资源

A discontinuous Galerkin time-domain method based on the current density equation in a 3-D case is proposed for simulating electromagnetic waves in magnetized plasma. The algorithm avoids additional data storage and has a relatively high calculation speed, making it applicable for practical use. The algorithm is validated through numerical examples such as the Faraday rotation effect test and time-varying example.
A discontinuous Galerkin time-domain (DGTD) method based on the current density equation in a 3-D case is proposed for the simulation of electromagnetic (EM) waves in magnetized plasma. In this article, two paths are given for the derivation of time-domain iteration formulas, auxiliary differential equation method for the current density equation (ADE-JE) and LT-JE. The implementation is explained in detail. The proposed algorithm avoids additional data storage and has a relatively high calculation speed, which makes it a powerful tool for magnetized plasma. The algorithm is validated by numerical examples, such as the Faraday rotation effect test and time-varying example.

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