Schwarz domain decomposition preconditioners for plane wave discontinuous Galerkin methods

Code:
57/2013
Title:
Schwarz domain decomposition preconditioners for plane wave discontinuous Galerkin methods
Date:
Sunday 17th November 2013
Author(s):
Antonietti, P.F.; Perugia, I.; Zaliani, D.
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Abstract:
We construct Schwarz domain decomposition preconditioners for plane wave discontinuous Galerkin methods for Helmholtz boundary value problems. In particular, we consider additive and multiplicative non-overlapping Schwarz methods. Numerical tests show good performance of these preconditioners when solving the linear system of equations with GMRES.