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math.NA2012★ 13 cited
A new level-dependent coarsegrid correction scheme for indefinite Helmholtz problems
Siegfried Cools, Bram Reps, Wim Vanroose
In this paper we construct and analyse a level-dependent coarsegrid correction scheme for indefinite Helmholtz problems. This adapted multigrid method is capable of solving the Hel…
math.NA2012★ 6 cited
An efficient multigrid calculation of the far field map for Helmholtz and Schrödinger equations
Siegfried Cools, Bram Reps, Wim Vanroose
In this paper we present a new highly efficient calculation method for the far field amplitude pattern that arises from scattering problems governed by the d-dimensional Helmholtz…