A DC Stable and Large-Time Step Well-Balanced TD-EFIE Based on Quasi-Helmholtz Projectors

@article{Beghein2015ADS,
  title={A DC Stable and Large-Time Step Well-Balanced TD-EFIE Based on Quasi-Helmholtz Projectors},
  author={Yves Beghein and Kristof Cools and Francesco P. Andriulli},
  journal={IEEE Transactions on Antennas and Propagation},
  year={2015},
  volume={63},
  pages={3087-3097}
}
The marching-on-in-time (MOT) solution of the time-domain electric field integral equation (TD-EFIE) has traditionally suffered from a number of issues, including the emergence of spurious static currents (dc instability) and ill-conditioning at large-time steps (low frequencies). In this contribution, a space-time Galerkin discretization of the TD-EFIE is proposed, which separates the loop and star components of both the equation and the unknown. Judiciously integrating or differentiating… CONTINUE READING

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