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Fast multigrid solution method for nested edge-based finite element meshes

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4 Author(s)
Cingoski, V. ; Electr. Power Co. of Macedonia, Skopje, Macedonia ; Tokuda, R. ; Noguchi, S. ; Yamashita, H.

In this paper a fast multigrid solution method for edge-based finite element magnetostatic field computation with nested meshes is introduced and its efficiency is investigated. Special prolongation and restriction matrices were constructed according to the nature of the edge based field approximation. The comparison of the computation speed between the multigrid method and the ICCG method is also presented, showing that the multigrid method is very promising as a fast solution method for large system of equations

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Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 4 )