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A Nonspurious 3-D Vector Discontinuous Galerkin Finite-Element Time-Domain Method

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4 Author(s)
Jiefu Chen ; Dept. of Electr. & Comput. Eng., Duke Univ., Durham, NC, USA ; Qing Huo Liu ; Mei Chai ; Mix, J.A.

We propose a nonspurious vector discontinuous Galerkin finite-element time-domain (DG-FETD) method for 3-D electromagnetic simulation. To facilitate the implementation of numerical fluxes for domain decomposition, we construct the DG-FETD scheme based on the first-order Maxwell's equations with variables E and H. The LT/QN and the CT/LN edge elements are employed to represent E and H, respectively (or vice versa), to suppress spurious modes, and the Riemann solver is utilized as the numerical flux to correct fields on the interfaces between adjacent subdomains. Numerical experiments show the nonspurious property of the proposed method.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:20 ,  Issue: 1 )