An efficient preconditioner for linear systems issued from the finite-element method for scattering problems

Abstract : An efficient preconditioner for systems issued from the finite element discretization of time harmonic Maxwell's equations with absorbing boundary conditions is presented. It is based on the Helmholtz decomposition of the electromagnetic field and its discrete counterpart. It is compared to a classical preconditioner on both simple and realistic problems. Its behavior is also evaluated on meshes showing different characteristics.
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IEEE Transactions on Magnetics, Institute of Electrical and Electronics Engineers, 2004, 40, issue: 2, part 2, p. 1080 - 1083. 〈10.1109/TMAG.2004.824734〉
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Ronan Perrussel, Laurent Nicolas, François Musy. An efficient preconditioner for linear systems issued from the finite-element method for scattering problems. IEEE Transactions on Magnetics, Institute of Electrical and Electronics Engineers, 2004, 40, issue: 2, part 2, p. 1080 - 1083. 〈10.1109/TMAG.2004.824734〉. 〈hal-00113501〉

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