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首页> 外文期刊>Journal of Electrical and Electronics Engineering Research >An application of FDTD using quadratic extrapolation
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An application of FDTD using quadratic extrapolation

机译：二次外推法在FDTD中的应用

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Finite difference time domain (FDTD) has been the most obvious choice of researchers to simulate an electromagnetic environment which is quite complex in nature. But the amount of time consumed in running the simulation has always been the limiting factor. In this work, a time efficient FDTD tool that is, Quadratic FDTD is developed and used for simulation of a rectangular cavity resonator. Traditional FDTD simulation was run for 50 number of time steps and out of these, data of first 35 time steps are used to train quadratic extrapolation finite difference time domain method (Q-FDTD) program. The Q-FDTD program is then used to predict the rest of the data. The proposed Q-FDTD is applied to a rectangular cavity resonator to evaluate the performance. It is observed that Q-FDTD can save considerable amount of time (almost 30%). The results of this Q-FDTD are compared with the results of traditional FDTD and excellent performance in time is observed.
机译：有限差分时域（FDTD）是研究人员模拟自然界中非常复杂的电磁环境的最明显选择。但是运行模拟所消耗的时间始终是限制因素。在这项工作中，开发了一种省时的FDTD工具，即Quadratic FDTD，并将其用于矩形腔谐振器的仿真。传统的FDTD仿真运行了50个时间步长，其中，前35个时间步长的数据用于训练二次外推有限差分时域方法（Q-FDTD）程序。然后使用Q-FDTD程序预测其余数据。提出的Q-FDTD应用于矩形腔谐振器以评估性能。据观察，Q-FDTD可以节省大量时间（将近30％）。将此Q-FDTD的结果与传统FDTD的结果进行比较，并观察到了出色的性能。

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