Calculation of eddy currents with edge elements on non-matching grids in moving structures

In this paper we present a nonconforming nonoverlapping domain decomposition method to approximate the eddy current problem, formulated in terms of the electric field variable, in nonstationary structures. This approximation, that allows for nonmatching grids at the sliding interface, is based on the mortar element method combined with edge elements in space and finite differences in time. Numerical results illustrate how the method works and the influence of the free part movement on the electric field distribution.