Simple treatment of multi-term dispersion in FDTD

Okoniewaki M.; Mrozowski M.

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Simple treatment of multi-term dispersion in FDTD

机译：FDTD中多项扩散的简单处理

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摘要

Three new simple and efficient algorithms are proposed for the numerical treatment of the multi-term Debye or Lorentz dispersion in the FDTD method. The formulation is based on the auxiliary differential equation, but requires much fewer operations than the published schemes. The approach is equivalent to the best higher order recursive schemes in terms of memory and computational expense, but without the linearity assumptions.

机译：提出了三种新的简单有效的算法，用于FDTD方法中的多项德拜或洛伦兹频散的数值处理。该公式基于辅助微分方程，但是所需的操作比已发布的方案少得多。就内存和计算开销而言，该方法等效于最佳的高阶递归方案，但没有线性假设。

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《IEEE Microwave and Guided Wave Letters》 |1997年第5期|P.121-123|共3页
作者
Okoniewaki M.; Mrozowski M.;
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正文语种 eng
中图分类无线电电子学、电信技术;
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2. A SIMPLE METHOD TO DETERMINE THE TIME-STEP SIZE TO ACHIEVE A DESIRED DISPERSION ACCURACY IN ADI-FDTD [J] . Guilin Sun, C. W. Trueman Microwave and optical technology letters . 2004,第6期

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3. A simple demonstration of numerical dispersion under FDTD [for EM field calculations] [J] . Represa J., Pereira C. IEEE Transactions on Education . 1997,第1期

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Simple treatment of multi-term dispersion in FDTD

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