We present preconditioning strategies based on the H2-matrix arithmetic for solving dense, complex, symmetric, non-Hermitian linear systems which arise from boundary element discretizations of the Electric Field Integral Equation in electromagnetic scattering analysis. The proposed preconditioner incorporates a multilevel mechanism that offers a good balance between memory used and reduction of the number of iterations.
A multilevel H2-based preconditioner for the electric field integral equation
Ventre S.;Giovinco G.;Rubinacci G.;Tamburrino A.;Villone F.
2021-01-01
Abstract
We present preconditioning strategies based on the H2-matrix arithmetic for solving dense, complex, symmetric, non-Hermitian linear systems which arise from boundary element discretizations of the Electric Field Integral Equation in electromagnetic scattering analysis. The proposed preconditioner incorporates a multilevel mechanism that offers a good balance between memory used and reduction of the number of iterations.File in questo prodotto:
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