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Auchmann, Bernhard; Flemisch, Bernd; Kurz, Stefan
IEEE transactions on magnetics, 08/2010, Letnik: 46, Številka: 8Journal Article, Conference Proceeding
In this paper, we describe a general formalism that allows to reduce the spatial dimension of a field problem from 3-D to (2 +1)-D. Subsequently, we identify conditions under which the third dimension can be eliminated. We see that the resulting 2-D field problems only decouple if an orthogonality criterion is fulfilled. The approach is based solely on differential-form calculus and can therefore be easily transferred into a discrete setting. As a numerical example, we compute the field of twisted wires.
