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Jönsthövel, T.B. (author), Oosterlee, C.W. (author), Mulder, W.A. (author)
We evaluated multigrid techniques for 3D diffusive electromagnetism. The Maxwell equations and Ohm's law were discretised on stretched grids, with stretching in all coordinate directions. We compared standard multigrid to alternative multigrid approaches with linewise smoothing and semi-coarsening, both as a stand-alone solver and as a...
conference paper 2006