带中间域的隐式-显式FDTD混合方法

2015 7th Asia-Pacific Conference on Environmental Electromagnetics (CEEM) Pub Date : 2015-11-01 DOI:10.1109/CEEM.2015.7368654

Qi Zhang, Shi Qiu, Bihua Zhou

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引用次数: 0

摘要

为了分析精细几何波传播问题，提出了一种新的隐显混合时域有限差分格式(HIE-FDTD)。对其稳定性条件和数值色散进行了理论分析。数值模拟结果表明，该方法大大节省了计算量，可以得到与现有的HIE-FDTD方法几乎相同精度的结果。

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A hybrid implicit-explicit FDTD method with an intermediate field

For analyzing wave propagation problems involving fine geometries, a novel hybrid implicit-explicit finite-difference time-domain (HIE-FDTD) scheme is presented. Both the stability condition and numerical dispersion are theoretically analyzed. Numerical simulation indicates that the computational cost of this method to produce results with nearly identical accuracy to the existing HIE-FDTD method has been considerably saved.

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2015 7th Asia-Pacific Conference on Environmental Electromagnetics (CEEM)

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