From fluid flow to coupled processes in fractured rock: Recent advances and new frontiers

HS Viswanathan, J Ajo‐Franklin… - Reviews of …, 2022 - Wiley Online Library
Quantitative predictions of natural and induced phenomena in fractured rock is one of the
great challenges in the Earth and Energy Sciences with far‐reaching economic and …

Fracture size and transmissivity correlations: Implications for transport simulations in sparse three‐dimensional discrete fracture networks following a truncated power …

JD Hyman, G Aldrich, H Viswanathan… - Water Resources …, 2016 - Wiley Online Library
We characterize how different fracture size‐transmissivity relationships influence flow and
transport simulations through sparse three‐dimensional discrete fracture networks. Although …

Flow channeling in fracture networks: characterizing the effect of density on preferential flow path formation

JD Hyman - Water Resources Research, 2020 - Wiley Online Library
Flow channelization is a commonly observed phenomenon in fractured subsurface media
where the flow of fluids is restricted primarily to highly transmissive fracture networks …

Modeling of solute transport in a fracture-matrix system with a three-dimensional discrete fracture network

Y Hu, W Xu, L Zhan, L Zou, Y Chen - Journal of Hydrology, 2022 - Elsevier
Understanding the fluid flow and solute transport mechanisms in fractured rocks is essential
for many geoengineering applications. In this study, the fluid flow and solute transport in a …

Linking structural and transport properties in three‐dimensional fracture networks

JD Hyman, M Dentz, A Hagberg… - Journal of Geophysical …, 2019 - Wiley Online Library
We investigate large‐scale particle motion and solute breakthrough in sparse three‐
dimensional discrete fracture networks characterized by power law distributed fracture …

Scale‐bridging in three‐dimensional fracture networks: Characterizing the effects of variable fracture apertures on network‐scale flow channelization

JD Hyman, MR Sweeney, LP Frash… - Geophysical …, 2021 - Wiley Online Library
We incorporate observations of real fracture aperture variability observed in laboratory
experiments into an ensemble of three‐dimensional discrete fracture network (DFN) …

Effects of Dead‐End Fractures on Non‐Fickian Transport in Three‐Dimensional Discrete Fracture Networks

S Yoon, JD Hyman, WS Han… - Journal of Geophysical …, 2023 - Wiley Online Library
Understanding mechanistic causes of non‐Fickian transport in fractured media is important
for many hydrogeologic processes and subsurface applications. This study elucidates the …

Advective transport in discrete fracture networks with connected and disconnected textures representing internal aperture variability

A Frampton, JD Hyman, L Zou - Water Resources Research, 2019 - Wiley Online Library
Flow and transport in three‐dimensional discrete fracture networks with internal variability in
aperture and permeability are investigated using a numerical model. The analysis is …

Upscaled discrete fracture matrix model (UDFM): an octree-refined continuum representation of fractured porous media

MR Sweeney, CW Gable, S Karra, PH Stauffer… - Computational …, 2020 - Springer
We develop a computational geometry-based upscaling approach to accurately capture the
dynamic processes occurring within and between subsurface fracture networks and the …

[PDF][PDF] Multi-scale groundwater flow modeling during temperate climate conditions for the safety assessment of the proposed high-level nuclear waste repository site at …

S Joyce, L Hartley, D Applegate, J Hoek… - Hydrogeology …, 2014 - researchgate.net
Forsmark in Sweden has been proposed as the site of a geological repository for spent high-
level nuclear fuel, to be located at a depth of approximately 470 m in fractured crystalline …