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math.NA2021★ 1 cited
Why diffusion-based preconditioning of Richards equation works: spectral analysis and computational experiments at very large scale
Daniele Bertaccini, Pasqua D'Ambra, Fabio Durastante +1
We consider here a cell-centered finite difference approximation of the Richards equation in three dimensions, averaging for interface values the hydraulic conductivity , a…
math.NA2021★ 5 cited
Nonlocal diffusion of variable order on complex networks
Daniele Bertaccini, Fabio Durastante
Some aspects of nonlocal dynamics on directed and undirected networks for an initial value problem whose Jacobian matrix is a variable-order fractional power of a Laplacian matrix…