Stability and Numerical Dispersion Analysis of a Fourth-Order Accurate FDTD Method

@article{Fei2006StabilityAN,
  title={Stability and Numerical Dispersion Analysis of a Fourth-Order Accurate FDTD Method},
  author={Xiao Chao Fei and Tang Xiao-hong},
  journal={IEEE Transactions on Antennas and Propagation},
  year={2006},
  volume={54},
  pages={2525-2530}
}
In order to obtain high-order accuracy, a fourth-order accurate finite difference time-domain (FDTD) method is presented by Kyu-Pyung Hwang. Unlike conventional FDTD methods, a staggered backward differentiation scheme instead of the leapfrog scheme is used to approximate the temporal partial differential operator. However, the high order of its characteristic equation derived by the Von Neumann method makes the analysis of its numerical dispersion and stability very difficult. In automatic… CONTINUE READING

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