Numerical Examinations of the Stability of FDTD Subgridding Schemes

Shumin Wang

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Numerical Examinations of the Stability of FDTD Subgridding Schemes

机译：FDTD细分网格方案稳定性的数值检验

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摘要

The stability of two-dimensional Finite-Difference Time-Domain subgridding schemes was numerically examined. Both the same-time-step and the multiple-time-step schemes were considered. Results show that the multiple-time-step subgridding scheme is late-time unstable due to larger-than-unity eigenvalues. As to the same-time-step subgridding schemes, stability is related to the treatment of corner regions.

机译：数值研究了时域有限差分二维有限元网格的稳定性。考虑了相同时间步长方案和多个时间步长方案。结果表明，由于特征值大于一，所以多步细分网格方法在后期不稳定。对于等时子网格划分方案，稳定性与拐角区域的处理有关。

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《Applied Computational Electromagnetics Society journal》 |2007年第2期|p.189-194|共6页
作者
Shumin Wang;
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作者单位

Laboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke, National Institutes of Health 10 Center Dr., 10/B1D728, Bethesda, MD 20892, U. S. A.;

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原文格式 PDF
正文语种 eng
中图分类电磁学、电动力学;
关键词
FDTD method; subgridding; stability;

机译：FDTD法;细分;稳定性;

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专利

1. A Subgridding Scheme Based on the FDTD Method and HIE-FDTD Method [J] . Juan Chen, Anxue Zhang Applied Computational Electromagnetics Society journal . 2011,第1期

机译：基于FDTD和HIE-FDTD方法的子网格划分方案
2. Examination, Clarification, and Simplification of Stability and Dispersion Analysis for ADI-FDTD and CNSS-FDTD Schemes [J] . Ogurtsov S., Pan G., Diaz R. IEEE Transactions on Antennas and Propagation . 2007,第12期

机译：ADI-FDTD和CNSS-FDTD方案的稳定性和色散分析的检查，澄清和简化
3. Birefringent dispersive FDTD subgridding scheme [J] . B. De Deckere, A. Van Londersele, D. De Zutter, Electronics Letters . 2016,第17期

机译：双折射色散FDTD子网格化方案
4. A General Approach to Ensuring the Stability of Unsymmetrical FDTD Subgridding Schemes [C] . Jin Yan, Dan Jiao IEEE International Symposium on Antennas and Propagation . 2017

机译：一种确保非对称FDTD子流程方案稳定性的一般方法
5. Stability Analysis of Numerical Schemes for Convection-dominated Diffusion and Navier-Stokes Equations [D] . Deng, Yongzhe. 2017

机译：对流统治扩散和Navier-Stokes方程数值方案的稳定性分析
6. Numerical Simulation of Partially-Coherent Broadband Optical Imaging Using the FDTD Method [O] . İlker R. Çapoğlu, Craig A. White, Jeremy D. Rogers, -1

机译：使用FDTD法部分相干宽带光学成像的数值模拟
7. Birefringent dispersive FDTD subgridding scheme [O] . De Deckere, B, Van Londersele, Arne, De Zutter, Daniël, 2016

机译：双折射分散FDTD子网格方案

Numerical Examinations of the Stability of FDTD Subgridding Schemes

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