Eur. Phys. J. Appl. Phys.
Volume 53, Number 2, February 2011
|Number of page(s)||7|
|Section||Spintronics, Magnetism and Superconductivity|
|Published online||28 January 2011|
Efficient generalized source field computation for h-oriented magnetostatic formulations
Jagiellonian University, Institute of Computer Science, Łojasiewicza 6, 30348 Kraków, Poland
2 Università di Udine, Dipartimento of Ingegneria Elettrica, Gestionale e Meccanica, Via delle Scienze 208, 33100 Udine, Italy
Corresponding author: firstname.lastname@example.org
Revised: 11 October 2010
Accepted: 2 December 2010
Published online: 28 January 2011
A technique based on a tree-cotree decomposition, called Spanning Tree Technique (STT) in this paper, has been shown to be simple and efficient to compute the generalized source magnetic fields for h-oriented magnetostatic formulations when solenoidal source electric currents over the faces of the mesh are given as input. Yet, it has been recently shown that STT may frequently fail in practice. Other techniques, which circumvent STT problems, have been proposed in literature. However, all of them greatly worsen the computational complexity and memory requirements regarding the source field computation. The aim of this paper is to present a generalization of STT called Extended Spanning Tree Technique (ESTT), which is provably general and it retains the STT computational efficiency.
© EDP Sciences, 2011
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