A mixed B-oriented FEM for magnetostatics in unbounded domains

We present a mixed formulation for magnetostatics in unbounded domains. The magnetic flux density B is the principal unknown and it is interpolated with facet finite elements. The reduced scalar potential /spl phi/, which is considered as a Lagrange multiplier, is an auxiliary unknown; it is taken a...

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Veröffentlicht in:	IEEE transactions on magnetics 2002-03, Vol.38 (2), p.373-376
Hauptverfasser:	Bandelier, B., Rioux-Damidau, F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied classical electromagnetism Computer applications Density Electromagnetism electron and ion optics Electrostatics. Poisson and laplace equations, boundary-value problems Exact sciences and technology Finite element method Finite element methods Formulations Fundamental areas of phenomenology (including applications) Gradient methods H infinity control Integral equations Lagrange multipliers Linear systems Magnetic analysis Magnetism Magnetostatics Mathematical analysis Mathematical models Physics Scalars Shape Testing
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Beschreibung
Zusammenfassung:	We present a mixed formulation for magnetostatics in unbounded domains. The magnetic flux density B is the principal unknown and it is interpolated with facet finite elements. The reduced scalar potential /spl phi/, which is considered as a Lagrange multiplier, is an auxiliary unknown; it is taken as constant over each tetrahedron. We compare it with a previously presented H-oriented mixed formulation.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/20.996100