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New block ILU preconditioner scheme for numerical analysis of very large electromagnetic problems

Autor
Heldring, A.; Rius, J.
Tipus d'activitat
Article en revista
Revista
IEEE transactions on magnetics
Data de publicació
2002-03
Volum
38
Número
2
Pàgina inicial
337
Pàgina final
340
URL
http://hdl.handle.net/2117/1672 Obrir en finestra nova
Resum
Large electromagnetic scattering and radiation problems are tackled by iterative solvers, which require the use of huge preconditioners. Most often, the incomplete LU decomposition (ILU) of the preconditioner is applied to the system matrix at each iteration. However, the preconditioner ILU cannot be done in-core when the size of the preconditioning matrix exceeds the available memory. This paper presents a new preconditioning scheme to do the preconditioner ILU in small blocks that fit in core ...
Citació
Heldring, A; Rius Casals, J.M; Ligthart. New block ILU preconditioner scheme for numerical analysis of very large electromagnetic problems. IEEE Transactions on Magnetics, 2002, vol.38, núm 2, part 1, pàg. 337-340
Grup de recerca
ANTENNALAB - Grup d´Antenes i Sistemes Radio

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