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math.NA2020★ 4 cited
A comparison of element agglomeration algorithms for unstructured geometric multigrid
S. Dargaville, A. G. Buchan, R. P. Smedley-Stevenson +2
This paper compares the performance of seven different element agglomeration algorithms on unstructured triangular/tetrahedral meshes when used as part of a geometric multigrid. Fi…
math.NA2019
Goal-based angular adaptivity for Boltzmann transport in the presence of ray-effects
S. Dargaville, R. P. Smedley-Stevenson, P. N. Smith +1
Boltzmann transport problems often involve heavy streaming, where particles propagate long distance due to the dominance of advection over particle interaction. If an insufficientl…