Discontinuous Galerkin Time Domain Electric Field Integral Equation Method for Solving Non-conformal Structures

The discontinuous Galerkin time-domain electric field integral equation method based on marching-on-in-degree scheme (DG-TDEFIE-MOD) is proposed for simulating transient electromagnetic responses of some multiscale and non-conformal PEC structures. With the implementation of both DG method and MOD scheme, the developed algorithm is used to simulate transient scattering and radiation responses of either conformal or non-conformal meshed geometries, where late-time instability is successfully eliminated. Some numerical examples are given to validate its stability and accuracy.