A Novel 3-D DGTD-FDTD Hybrid Method withOne Overlapping Virtual Layer
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Published:2024-02-01
Issue:
Volume:
Page:558-565
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ISSN:1943-5711
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Container-title:The Applied Computational Electromagnetics Society Journal (ACES)
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language:
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Short-container-title:ACES Journal
Author:
Wu Qingkai,Wang Kunyi,Lin Zhongchao,Zhang Yu,Zhao Xunwang
Abstract
Compared with the traditional finite difference time-domain (FDTD) method, the discontinuous Galerkin time-domain (DGTD) method may face the issue of intense computation. In this paper, a novel 3-D DGTD-FDTD hybrid method is proposed to dramatically reduce the unknowns of the DGTD method. Instead of the common mass-lumped elements, this virtual layer of the Yee grid is implemented on the intersecting boundary, which simplifies the mesh generation and reduces the number of unknowns. To validate the proposed method, two examples of sphere scattering and horn antenna are considered. The simulation results demonstrate the effectiveness of the proposed method.
Publisher
River Publishers