Improved Leapfrog LOD-FDTD Method With Controlling Parameters

Kanglong Zhang,Yue Wu,Weibo Liang,Mengjun Wang,Chao Fan,Hongxing Zheng,Erping Li

IEEE Microwave and Wireless Components Letters（2022）

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摘要

An improved locally 1-D (LOD) finite-difference time-domain (FDTD) method with a one-step leapfrog scheme has been developed, and its numerical dispersion has been further optimized due to the introduction of controlling parameters. On the premise of unconditional stability, we further simplified the implementation through auxiliary field variables. Moreover, the internal relationship between nume...

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关键词

Dispersion,Finite difference methods,Time-domain analysis,Numerical stability,Stability criteria,Optical wavelength conversion,Wireless communication

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