610 citations
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Showing 2018 · math.NAShow all
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math.NA2018★ 21 cited
Free-Stream Preservation for Curved Geometrically Non-Conforming Discontinuous Galerkin Spectral Elements
David A. Kopriva, Florian Hindenlang, Thomas Boleman +1
The under integration of the volume terms in the discontinuous Galerkin spectral element approximation introduces errors at non-conforming element faces that do not cancel and lead…
math.NA2018★ 12 cited
Isogeometric analysis for 2D and 3D curl-div problems: Spectral symbols and fast iterative solvers
Mariarosa Mazza, Carla Manni, Ahmed Ratnani +2
Alfvén-like operators are of interest in magnetohydrodynamics, which is used in plasma physics to study the macroscopic behavior of plasma. Motivated by this important and complex…