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08/30/2023
Towards Robust Solvers for Nuclear Fusion Simulations Using JOREK: A Numerical Analysis Perspective
One of the most well-established codes for modeling non-linear Magnetohy...
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08/25/2023
Stand-alone Multigrid for Helmholtz Revisited: Towards Convergence Using Standard Components
Getting standard multigrid to work efficiently for the high-frequency He...
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08/11/2023
A matrix-free parallel two-level deflation preconditioner for the two-dimensional Helmholtz problems
We propose a matrix-free parallel two-level-deflation preconditioner com...
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08/11/2023
A matrix-free parallel solution method for the three-dimensional heterogeneous Helmholtz equation
The Helmholtz equation is related to seismic exploration, sonar, antenna...
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03/31/2021
Inexact subdomain solves using deflated GMRES for Helmholtz problems
We examine the use of a two-level deflation preconditioner combined with...
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10/20/2020