Proposes matrix-free MRCM-OS right-preconditioner for GMRES achieving 1-2 iteration convergence on high-contrast subsurface flow problems.
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Accelerating GMRES with Matrix-Free Multiscale Robin Preconditioners
Proposes matrix-free MRCM-OS right-preconditioner for GMRES achieving 1-2 iteration convergence on high-contrast subsurface flow problems.