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Mathematical tools for electromagnetic modeling under realistic assumptions

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1 Author(s)
P. Fernandes ; Ist. per la Matematica Applicata del CNR, Genova, Italy

Orthogonal decompositions and related results provide the framework in which electromagnetics naturally fits but are proved under restrictive assumptions that often are not fulfilled in real applications. Hence, only in fairly simple situations, a sound theoretical basis can be given to the mathematical models of computational electromagnetics, even though they are used in general applications. In this paper, similar mathematical tools that hold under more realistic assumptions, tuned to cover very many cases of practical interest, are given. These tools provide a suitable framework for models involving different inhomogeneous anisotropic materials, boundaries and interfaces with edges and vertices, mixed boundary conditions, and topologically nontrivial configurations. The ease with which the proposed tools can be applied to rigorously prove the correctness of some basic models of electromagnetics under realistic assumptions is also shown

Published in:

IEEE Transactions on Magnetics  (Volume:38 ,  Issue: 2 )