Parallel meshing, discretization, and computation of flow in massive discrete fracture networks

S Berrone, S Scialo, F Vicini - SIAM Journal on Scientific Computing, 2019 - SIAM
In the present work a message passing interface (MPI) parallel implementation of an
optimization-based approach for the simulation of underground flows in large discrete …

Reliable a posteriori mesh adaptivity in discrete fracture network flow simulations

S Berrone, A Borio, F Vicini - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
A new approach for the flow simulation in very complex Discrete Fracture Networks (DFNs)
based on PDE-constrained optimization has been recently proposed in Berrone et al.(2013 …

Comparison of the response to geometrical complexity of methods for unstationary simulations in discrete fracture networks with conforming, polygonal, and non …

A Borio, A Fumagalli, S Scialò - Computational Geosciences, 2021 - Springer
The aim of this study is to compare numerical methods for the simulation of single-phase
flow and transport in fractured media, described here by means of the discrete fracture …

Machine learning for flux regression in discrete fracture networks

S Berrone, F Della Santa, S Pieraccini… - … -International Journal on …, 2021 - Springer
In several applications concerning underground flow simulations in fractured media, the
fractured rock matrix is modeled by means of the Discrete Fracture Network (DFN) model …

An optimization approach for flow simulations in poro-fractured media with complex geometries

S Berrone, A D'Auria, S Scialò - Computational Geosciences, 2021 - Springer
A new discretization approach is presented for the simulation of flow in complex poro-
fractured media described by means of the Discrete Fracture and Matrix Model. The method …

A robust VEM-based approach for flow simulations in poro-fractured media

S Berrone, A Borio, A D'Auria, S Scialò… - … Models and Methods in …, 2021 - World Scientific
In this paper, a Virtual Element Method (VEM)-based approach is proposed for the
simulation of flow in fractured porous media. The method is based on a robust meshing …

Performance analysis of multi-task deep learning models for flux regression in discrete fracture networks

S Berrone, F Della Santa - Geosciences, 2021 - mdpi.com
In this work, we investigate the sensitivity of a family of multi-task Deep Neural Networks
(DNN) trained to predict fluxes through given Discrete Fracture Networks (DFNs) …

[PDF][PDF] Data-Driven Deep Learning Methods for Physically-Based Simulations

F Della Santa - 2021 - iris.unito.it
In this doctoral thesis, we study and analyze Deep Learning applications to learn physically-
based simulations' results. The first type of application is focused on underground flow …

[HTML][HTML] Geometric model of the fracture as a manifold immersed in porous media

P Paranamana, E Aulisa, M Toda - Journal of Mathematical Physics, 2021 - pubs.aip.org
In this work, we analyze the flow filtration process of slightly compressible fluids in porous
media containing fractures with complex geometries. We model the coupled fracture-porous …

Analysis of conforming, non-matching, and polygonal methods for Darcy and advection-diffusion-reaction simulations in discrete fracture networks

A Borio, A Fumagalli, S Scialò - arxiv preprint arxiv:1907.12514, 2019 - arxiv.org
The aim of this study is to compare numerical methods for the simulation of single-phase
flow and transport in fractured media, described here by means of the Discrete Fracture …