We present a family of preconditioners based on the auxiliary space method for a discontinuous Galerkin discretization on cubical meshes of H(curl;Ω)-elliptic problems with possibly discontinuous coefficients. We address the influence of possible discontinuities in the coefficients on the asymptotic performance of the proposed solvers and present numerical results in two dimensions.
Ayuso de Dios, B., Hiptmair, R., Pagliantini, C. (2018). Auxiliary space preconditioners for a DG discretization of H(curl; Ω)-elliptic problem on hexahedral meshes. In Domain Decomposition Methods in Science and Engineering XXIV (pp.223-231). Springer Verlag [10.1007/978-3-319-93873-8_20].
Auxiliary space preconditioners for a DG discretization of H(curl; Ω)-elliptic problem on hexahedral meshes
Ayuso de Dios, B
;
2018
Abstract
We present a family of preconditioners based on the auxiliary space method for a discontinuous Galerkin discretization on cubical meshes of H(curl;Ω)-elliptic problems with possibly discontinuous coefficients. We address the influence of possible discontinuities in the coefficients on the asymptotic performance of the proposed solvers and present numerical results in two dimensions.File | Dimensione | Formato | |
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