Abstract
This paper describes an efficient algorithm based on waveform relaxation with transverse partitioning (WR-TP) for simulation of frequency-dependent interconnects in the presence of electromagnetic interference (EMI). A simple and clear derivation of the relaxation sources is presented and the compact results are given. The dispersive substrate of coupled interconnects is characterized by the multi-term Debye formula. According to the differential equations derived from the equivalent circuit modeling, the full-wave finite-difference time-domain (FDTD) algorithm is utilized to capture accurate field in dispersive substrate. Numerical examples are given to validate the proposed method by comparing with existing techniques.
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