2 papers
math.NA2024
Polytopal mesh agglomeration via geometrical deep learning for three-dimensional heterogeneous domains
Paola F. Antonietti, Mattia Corti, Gabriele Martinelli
Agglomeration techniques can be successfully employed to reduce the computational costs of numerical simulations and stand at the basis of multilevel algebraic solvers. To automati…
math.NA2022
Agglomeration of Polygonal Grids using Graph Neural Networks with applications to Multigrid solvers
P. F. Antonietti, N. Farenga, E. Manuzzi +2
Agglomeration-based strategies are important both within adaptive refinement algorithms and to construct scalable multilevel algebraic solvers. In order to automatically perform ag…