Mesh Generation and Flow Simulation in Large Tridimensional Fracture Networks

Patrick Laug (1) , Géraldine Pichot (2)

1 Gamma3 - Automatic mesh generation and advanced methods
2 SERENA - Simulation for the Environment: Reliable and Efficient Numerical Algorithms

Fractures in the Earth's subsurface have a strong impact in many physical and chemical phenomena, as their properties are very different from those of the surrounding rocks. They are generally organized as multi-scale structures, which can be modeled by Discrete Fracture Networks (DFNs) that may contain hundreds of thousands of ellipses in the tridi-mensional space. This paper presents our approach to generate meshes of such large DFNs and to simulate single-phase flow problems using these meshes.

Mots clés: Geologic formation; Discrete Fracture Network (DFN); Surface meshing; Large meshes; Flow simulation

Domaines: Analyse numérique [math.NA]

Patrick Laug, Géraldine Pichot. Mesh Generation and Flow Simulation in Large Tridimensional Fracture Networks. IMACS Series in Computational and Applied Mathematics, 22, , pp.71-80, 2019. ⟨hal-02102811v2⟩