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cs.CE2020★ 1 cited
Textbook efficiency: massively parallel matrix-free multigrid for the Stokes system
Nils Kohl, Ulrich Rüde
We employ textbook multigrid efficiency (TME), as introduced by Achi Brandt, to construct an asymptotically optimal monolithic multigrid solver for the Stokes system. The geometric…
physics.comp-ph2020
An efficient four-way coupled lattice Boltzmann - discrete element method for fully resolved simulations of particle-laden flows
Christoph Rettinger, Ulrich Rüde
A four-way coupling scheme for the direct numerical simulation of particle-laden flows is developed and analyzed. It employs a novel adaptive multi-relaxation time lattice Boltzman…