Abstract

In this paper we aim to make possible the simulation of plasma - solid interaction in real insulating components using a set of first-principle partial differential equations. The high ratio between the conductivities of the many materials present in electrical components causes the associated numerical problem to become very stiff and this curtails the maximum allowed time step increase.To simulate some realistic components using sufficiently large time steps a filtering method is applied. A novel theoretical analysis has been developed showing that the filter allows the use of larger time steps without affecting the accuracy of the method. This analysis is backed by the results of a significant numerical experiment.

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