Domains of Validity of Quasistatic and Quasistationary Field Approximations

Conference: ISTET 2009 - VXV International Symposium on Theoretical Engineering
06/22/2009 - 06/24/2009 at Lübeck, Germany

Proceedings: ISTET 2009

Pages: 5Language: englishTyp: PDF

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Steinmetz, Thorsten (ABB Switzerland - Corporate Research)
Kurz, Stefan (ETAS GmbH Stuttgart)
Clemens, Markus (Helmut-Schmidt-University Hamburg)

The electro-quasistatic and the magneto-quasistationary approximations to Maxwell’s equations are widely used to model slowly time-varying electromagnetic fields. An analysis based on characteristic times is presented which allows to decide if any of these approximations is valid for a given field problem. The domains of validity of both approximations are derived and visualized in a combined diagram.