2.5-D discontinuous Galerkin time-domain method for Maxwell equations

Hou Yiran; Wang Yuheng; Wang Xianghui; Zhang Jie; Qi Hongxin

doi:10.11884/HPLPB202133.210056

Volume 33 Issue 7

Jul. 2021

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Hou Yiran, Wang Yuheng, Wang Xianghui, et al. 2.5-D discontinuous Galerkin time-domain method for Maxwell equations[J]. High Power Laser and Particle Beams, 2021, 33: 073010. doi: 10.11884/HPLPB202133.210056

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Hou Yiran, Wang Yuheng, Wang Xianghui, et al. 2.5-D discontinuous Galerkin time-domain method for Maxwell equations[J]. High Power Laser and Particle Beams, 2021, 33: 073010. doi: 10.11884/HPLPB202133.210056

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2.5-D discontinuous Galerkin time-domain method for Maxwell equations

doi: 10.11884/HPLPB202133.210056

1.
School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
2.
Guangdong Provincial Engineering Research Centre on Solid-State Lighting and Its Informationisation, South China University of Technology, Guangzhou 510641, China

Received Date: 2021-02-23
Rev Recd Date: 2021-04-06

Available Online: 2021-05-22

Publish Date: 2021-07-15

Abstract

Abstract

In this work, a 2.5-dimensional discontinuous Galerkin time-domain(2.5D-DGTD) method with perfectly matched layer is proposed as a flexible tool to solve accurately electromagnetic problems in which media are homogeneous in one direction. Two numerical examples are simulated to demonstrate the advantages of the proposed method, which are the coupling between an electric dipole and optical fiber, and the analysis of dispersion characteristics of a photonic crystal fiber. The method is compare with the traditional 2.5-dimensional finite-difference time-domain method. The results show that the 2.5D-DGTD method is more realistic, especially for the simulation of curved shapes, where compared the calculation memory is reduced by 10.4%, the calculation accuracy differs by 0.011%, the calculation time is shortened, and the calculation efficiency is increased by 74.9%.
- discontinuous Galerkin time-domain method,
- 2.5-dimensional,
- FDTD,
- electromagnetic field analysis,
- optical fibers

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References(20)

References

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