74 citations · 229 across the 23 of their papers we have counts for
4 papers · 1 filter
Stabilised Asynchronous Fast Adaptive Composite Multigrid using Additive Damping
Charles D. Murray, Tobias Weinzierl
Multigrid solvers face multiple challenges on parallel computers. Two fundamental ones read as follows: Multiplicative solvers issue coarse grid solves which exhibit low concurrenc…
Efficient implementation of ADER discontinuous Galerkin schemes for a scalable hyperbolic PDE engine
Michael Dumbser, Francesco Fambri, Maurizio Tavelli +2
In this paper we discuss a new and very efficient implementation of high order accurate ADER discontinuous Galerkin (ADER-DG) finite element schemes on modern massively parallel su…
A simple diffuse interface approach on adaptive Cartesian grids for the linear elastic wave equations with complex topography
Maurizio Tavelli, Michael Dumbser, Dominic Etienne Charrier +3
In most classical approaches of computational geophysics for seismic wave propagation problems, complex surface topography is either accounted for by boundary-fitted unstructured m…
Quasi-matrix-free hybrid multigrid on dynamically adaptive Cartesian grids
Marion Weinzierl, Tobias Weinzierl
We present a family of spacetree-based multigrid realizations using the tree's multiscale nature to derive coarse grids. They align with matrix-free geometric multigrid solvers as…