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math.NA2020★ 1 cited
Linearizing the hybridizable discontinuous Galerkin method: A linearly scaling operator
Immo Huismann, Jörg Stiller, Jochen Fröhlich
This paper proposes a matrix-free residual evaluation technique for the hybridizable discontinuous Galerkin method requiring a number of operations scaling only linearly with the n…
math.NA2018
Scaling to the stars -- a linearly scaling elliptic solver for -multigrid
Immo Huismann, Jörg Stiller, Jochen Fröhlich
High-order methods gain increased attention in computational fluid dynamics. However, due to the time step restrictions arising from the semi-implicit time stepping for the incompr…