不同尺寸FDTD非均匀网格对腔谐振数值计算的影响

E. Albayrak, Enes Harman, Talha Saydam, S. Aksoy
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引用次数: 0

摘要

在电磁兼容(EMC)应用中,腔谐振是高水平辐射发射的重要来源之一。因此,它们的精确数值计算在建模和仿真研究中是非常重要的。在这个意义上,本研究探讨了不同尺寸的非均匀FDTD网格对腔谐振数值计算的影响。三种不同的非均匀时域有限差分网格用于精度评估。以二维矩形空腔问题为例进行了数值求解。计算的共振频率与均匀网格结果进行了比较。对每种网格类型的精度进行了详细分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Different-Sized FDTD Non-Uniform Meshes on the Numerical Calculation of Cavity Resonances
Cavity resonances are one of the most important sources for the high level of radiated emission in electromagnetic compatibility (EMC) applications. Thus, their accurate numerical calculations are very important in modeling and simulation studies. In this sense, the effect of different-sized non-uniform FDTD meshes on the numerical calculation of the cavity resonances is investigated in this study. Three different non-uniform FDTD meshes are used for accuracy evaluations. A two-dimensional rectangular cavity problem is solved as a numerical example. The calculated resonance frequencies are compared with a uniform mesh result. The accuracy of each mesh type is analyzed in detail.
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