DFN.lab

A software platform for DFN modelling

“Fractures matter”

 

DFN.lab is a modular computational suite to deal with three-dimensional Discrete Fracture Network (DFN) models from generation to simulation and analysis of connectivity, flow, mechanical and transport properties. Core modules are developed in C++ for high performances and a Python API is provided for easy use.

Features

DFN Generation

Generate Discrete Frature Network with statistical or genetic rules

Analysis

Provide a full range of analysis from  density to spatial organization

Fracture mechanics

Linear elastic properties in and out of fractures

Particle Tracking

Advective transport of particles

Flow

Steady-state and transient flow

Get DFN.lab

Join the community

Read the documentation

Publications

Le Goc, R., Pinier, B., Darcel, C., Lavoine, E., Doolaeghe, D., de Simone, S., . . Davy, P (2019, 9-13 December 2019). DFN.lab: Software platform for Discrete Fracture Network models. Paper presented at the AGU Fall Meeting, San Francisco, CA, USA.

Davy, P., et al. (2018). “Elastic Properties of Fractured Rock Masses With Frictional Properties and Power Law Fracture Size Distributions.” Journal of Geophysical Research: Solid Earth.

Le Goc, R., et al. (2018). Discrimination of Discrete Fracture Network models using structural and flow data. 2nd International Discrete Fracture Network Engineering Conference, American Rock Mechanics Association.

Darcel, C., et al. (2019). Alternative DFN (Discrete Fracture Network) project, phase IV – 019R-013, Svensk Kärnbränslehantering AB (SKB).

Lavoine, E., Davy, P., Darcel, C., & Le Goc, R. (2019). On the Density Variability of Poissonian Discrete Fracture Networks, with application to power-law fracture size distributions. Advances in Geosciences, 49, 77-83. doi:https://doi.org/10.5194/adgeo-49-

Doolaeghe, D., Davy, P., Hyman, J. D., & Darcel, C. (2020). Graph-based flow modeling approach adapted to multiscale discrete-fracture-network models. Physical Review E, 102(5), 053312. doi:10.1103/PhysRevE.102.053312

Lavoine, E., Davy, P., Darcel, C., & Munier, R. (2020). A Discrete Fracture Network Model With Stress-Driven Nucleation: Impact on Clustering, Connectivity, and Topology. Frontiers in Physics, 8. doi:10.3389/fphy.2020.00009

Darcel, Caroline; Le Goc, Romain; Doolaeghe, Diane; Ghazal, Rima; Davy, Philippe (2021). Rock mass effective properties from a DFN approach. Phase 1 – Elastic properties. SKB Report R-20-05, ISSN 1402-3091

De Simone, S., Pinier, B., Bour, O., & Davy, P. (2021). A particle-tracking formulation of advective–diffusive heat transport in deformable fracture networks. Journal of Hydrology, 603, 127157. doi:https://doi.org/10.1016/j.jhydrol.2021.127157

Le Goc, R., Darcel, C., Davy, P., and J. O. Selroos (2022). “Analysis of the Characteristics of Particle Trajectories in DFN and Consequences on Travel Time Distributions.” Paper presented at the 3rd International Discrete Fracture Network Engineering Conference, Santa Fe, New Mexico, USA, June 2022. doi: https://doi.org/10.56952/ARMA-DFNE-22-0048

Furtney, J. K., Thielsen, C., Fu, W., & Le Goc, R. (2022). Surrogate Models in Rock and Soil Mechanics: Integrating Numerical Modeling and Machine Learning. Rock Mechanics and Rock Engineering, 55(5), 2845-2859. doi:10.1007/s00603-021-02720-8

De Simone, S., Darcel, C., Kasani, H.A. et al. Equivalent Biot and Skempton Poroelastic Coefficients for a Fractured Rock Mass from a DFN Approach. Rock Mech Rock Eng 56, 8907–8925 (2023). https://doi.org/10.1007/s00603-023-03515-9

Davy, P., Le Goc, R., Darcel, C., & Selroos, J. O. (2023). Scaling of fractured rock flow. Proposition of indicators for selection of DFN based flow models. Comptes Rendus. Géoscience. doi:10.5802/crgeos.174

Doolaeghe, D., Darcel, C., Selroos, J. O., Mas Ivars, D., & Davy, P. (2023). Controls on fracture openness and reactivation in Forsmark, Sweden. Scientific Reports, 13(1), 6686. doi:10.1038/s41598-023-33619-9

De Simone, S., Darcel, C., Kasani, H.A. et al. (2024) The Impact of Size-Dependent and Stress-Dependent Fracture Properties on the Biot and Skempton Coefficients of Fractured Rocks. Rock Mech Rock Eng (2024). https://doi.org/10.1007/s00603-024-04038-7

C. Darcel, R. Le Goc, E. Lavoine, P. Davy, D. Mas Ivars, E. Sykes, H.A. Kasani (2024), Coupling stress and transmissivity to define equivalent directional hydraulic conductivity of fractured rocks, Engineering Geology, 2024, 107739, ISSN 0013-7952, https://doi.org/10.1016/j.enggeo.2024.107739.

Tutorials

Learn how to use DFN.lab with these step by step tutorials

Python and DFN.Lab

Create domain

Tunnels & wells

Create deterministic fractures and DFNs

Input and output DFN files

Stochastic DFN generation

Genetic DFN generation

Hydraulic boundary conditions

Transmissivity generation

Identifying connected structures

Meshing DFNs

Solving flow (steady state)

Solving flow with graphs

Particle tracking

Fracture domains and deformation zones

Solving Transient Flow

Team

Discover the DFN.lab team

Romain Le Goc

ITASCA Research Engineer

Caroline Darcel

ITASCA Project Manager

Philippe Davy

CNRS Research Director

Benoit Pinier

ITASCA Research Engineer

Discover the Fractory