engleski

FEM analysis of electromagnetic transients in nonlinear networks

The aim of the paper is to present a numerical procedure based on the finite element method (FEM) in the time domain when modeling electromagnetic transients in a single nonlinear electrical network. It presents an extension to the FE time domain model used to analyze electromagnetic transients in linear networks. Based on the Newton-Raphson method for FEM analysis and the generalized trapezoidal rule for time integration a novel numerical procedure for the computation of electromagnetic transients in nonlinear circuits/networks is obtained.

finite element method ; nonlinear transmission line ; electromagnetic transients ; network analysis

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