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At low frequencies, the solution of Maxwell's equations breaks down. To overcome this problem, in this paper, a new method is proposed, which is using multi scale analysis method. A synthesis is made of the input impedance of power lines. The results are compared with the analytic solutions, and they are anastomosed. It proves that this method can solve more issues at low frequency.
In this paper, based on the boundary reduction advanced by Han, we present a new method for solving an exterior Dirichlet problem in the plane. The technique consists in coupling the boundary element with the mixed finite element method. An artifical boundary is introduced separating an interior region from an exterior one. From the theory of the boundary element in the exterior domain we deduce the...
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