基于Maxwell方程和LLG方程耦合解的陀螺磁非线性传输线数值模拟方法

IF 1.3 4区物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS

IEEE Transactions on Plasma Science Pub Date : 2023-09-11 DOI:10.1109/TPS.2023.3309660

Guangjian Deng;Wenhua Huang;Xiangyu Wang;Yanlei Lu;Zhiqiang Yang;Dunhui Wang

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引用次数: 0

摘要

近年来，回旋磁非线性传输线（GNLTL）技术作为一种新型的固态宽谱高功率微波（HPM）产生方法受到了广泛关注并得到了迅速发展。然而，由于缺乏有效的模拟方法，其研究和设计基本上依赖于实验，这增加了成本和复杂性。在这种情况下，提出了一种基于Maxwell和Landau-Lifshitz-Gilbert（LLG）方程耦合解的模拟方法。它可以实现GNLTL的二维/三维仿真。这种模拟方法的结果与COMSOL Multiphysics软件在异常弱非线性情况下的结果一致。这在一定程度上验证了该方法的有效性。最后，通过实验与仿真方法进行了直接对比，进一步验证了仿真方法的正确性。

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Numerical Simulation Method of Gyromagnetic Nonlinear Transmission Lines Based on Coupled Solution of Maxwell and LLG Equations

Recently, gyromagnetic nonlinear transmission line (GNLTL) technology has been commonly focused on and developed rapidly as a new type of solid-state wide-spectrum high-power microwave (HPM) generation method. However, because of the lack of an efficient simulation method, its investigation and design basically rely on experiment which increases the cost and complexity. Under this situation, a simulation method based on coupled solutions of Maxwell and Landau-Lifshitz-Gilbert (LLG) equations is proposed. It can realize 2-D/3-D simulation of GNLTLs. The results of this simulation method agree well with COMSOL Multiphysics software under an uncommonly weakly nonlinear situation. This verified the validity of this method to some extent. Finally, experiments are conducted to be directly contrasted with and further verify the simulation method.

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来源期刊

IEEE Transactions on Plasma Science 物理-物理：流体与等离子体

CiteScore

3.00

自引率

20.00%

发文量

538

审稿时长

3.8 months

期刊介绍： The scope covers all aspects of the theory and application of plasma science. It includes the following areas: magnetohydrodynamics; thermionics and plasma diodes; basic plasma phenomena; gaseous electronics; microwave/plasma interaction; electron, ion, and plasma sources; space plasmas; intense electron and ion beams; laser-plasma interactions; plasma diagnostics; plasma chemistry and processing; solid-state plasmas; plasma heating; plasma for controlled fusion research; high energy density plasmas; industrial/commercial applications of plasma physics; plasma waves and instabilities; and high power microwave and submillimeter wave generation.