Title
Robust Preconditioning of Dense Problems from Electromagnetics
Abstract
We consider different preconditioning techniques of both implicit and explicit form in connection with Krylov methods for the solution of large dense complex symmetric non-Hermitian systems of equations arising in computational electromagnetics. We emphasize in particular sparse approximate inverse techniques that use a static nonzero pattern selection. By exploiting geometric information from the underlying meshes, a very sparse but effective preconditioner can be computed. In particular our strategies are applicable when fast multipole methods are used for the matrix-vector products on parallel distributed memory computers.
Year
DOI
Venue
2000
10.1007/3-540-45262-1_21
NAA
Keywords
Field
DocType
krylov method,robust preconditioning,effective preconditioner,matrix-vector product,sparse approximate inverse technique,large dense complex symmetric,memory computer,dense problems,geometric information,different preconditioning technique,computational electromagnetics,explicit form
Applied mathematics,Mathematical optimization,Computational electromagnetics,Polygon mesh,Preconditioner,System of linear equations,Shared memory,Computer science,Electromagnetics,Distributed memory,Matrix multiplication,Distributed computing
Conference
Volume
ISSN
ISBN
1988
0302-9743
3-540-41814-8
Citations 
PageRank 
References 
1
0.42
5
Authors
3
Name
Order
Citations
PageRank
B. Carpentieri113612.01
Iain S. Duff21107148.90
Luc Giraud339363.00