Title :
A Multi-Resolution stabilization of the Incomplete LU preconditioner
Author :
Vipiana, F. ; Francavilla, M.A. ; Vecchi, G.
Author_Institution :
Antennas & EMC Lab. (LACE), Politec. di Torino, Torino, Italy
Abstract :
In the solution of the electric field integral equation (EFIE), discretized by the moment method (MoM) with the classical Rao-Wilton-Glisson basis, the resulting linear system has a high conditioning, in the case of low frequency problems, and fine meshes. Moreover the condition number increases with the number of unknowns, but if the dimension of all the mesh cells is close to the Nyquist limit the increase is very moderate.
Keywords :
electric field integral equations; linear network analysis; method of moments; Nyquist limit; Rao-Wilton-Glisson basis; electric field integral equation; incomplete LU preconditioner; linear system; moment method; multi-resolution stabilization; Antennas and propagation; Convergence; Electromagnetic compatibility; Frequency; Integral equations; Linear systems; Matrix decomposition; Mesh generation; Moment methods; Sparse matrices;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2009. APSURSI '09. IEEE
Conference_Location :
Charleston, SC
Print_ISBN :
978-1-4244-3647-7
DOI :
10.1109/APS.2009.5172276
