Development and verification of three-dimensional equivalent discrete fracture network modelling based on the finite element method

N Wu, Z Liang, Z Zhang, S Li, Y Lang - Engineering Geology, 2022 - Elsevier
The discrete fracture network (DFN) method is essential for estimating the mechanical
properties of naturally fractured rock masses. A three-dimensional (3D) equivalent DFN …

[HTML][HTML] Radon transport carried by geogas: prediction model

X Chen, Y Liu, Y Jiang, S Feng - Environmental Science and Pollution …, 2023 - Springer
This paper provides an overview and information on radon migration in the crust. In the past
several decades, numerous studies on radon migration have been published. However …

A review of simulation models of heat extraction for a geothermal reservoir in an enhanced geothermal system

X Gao, T Li, Y Zhang, X Kong, N Meng - Energies, 2022 - mdpi.com
This paper reviews the heat transfer model for geothermal reservoirs, the fracture network in
reservoirs, and the numerical model of hydraulic fracturing. The first section reviews the heat …

A DFN based 3D numerical approach for modeling coupled groundwater flow and solute transport in fractured rock mass

X Li, D Li, Y Xu, X Feng - International Journal of Heat and Mass Transfer, 2020 - Elsevier
Understanding of water and mass transfer in fractured rock mass is essential to the safety
and environmental problems associated with rock engineering. It is still challenging to …

A deterministic-stochastic identification and modelling method of discrete fracture networks using laser scanning: Development and case study

D Pan, S Li, Z Xu, Y Zhang, P Lin, H Li - Engineering Geology, 2019 - Elsevier
The intelligent identification of and information extraction from discontinuities in fractured
rock masses is crucial for the construction of a 3D fracture network model. A Deterministic …

Experimental and numerical investigation on nonlinear flow behaviour through three dimensional fracture intersections and fracture networks

F Xiong, W Wei, C Xu, Q Jiang - Computers and Geotechnics, 2020 - Elsevier
Fluid flow tests were conducted on four kinds of fracture intersections, namely straight
fracture intersection, buckling fracture intersection, crossing fracture intersection and …

[HTML][HTML] Parameterization of a channel network model for groundwater flow in crystalline rock using geological and hydraulic test data

L Zou, JO Selroos, A Poteri, V Cvetkovic - Engineering Geology, 2023 - Elsevier
Groundwater flow in sparsely fractured crystalline rocks is highly channelized due to the
existing complex hydrogeological heterogeneity in fracture networks. The impacts of …

[HTML][HTML] A three-dimensional hydro-mechanical model for simulation of dilatancy controlled gas flow in anisotropic claystone

J Yang, M Fall, G Guo - Rock Mechanics and Rock Engineering, 2020 - Springer
Dilatancy controlled gas flow is characterized by a series of gas pressure-induced dilatant
pathways in which the pathway aperture is a function of the effective stress within the solid …

Examining fluid flow and solute transport through intersected rock fractures with stress-induced void heterogeneity

Z Wang, H Xie, C Li, X Wen - Engineering Geology, 2022 - Elsevier
In this study, fluid flow and solute transport processes are assessed in three-dimensional (3-
D) intersected rock fractures with stressed-induced void heterogeneity. Specifically, flow …

Study on the intrinsic mechanisms underlying enhanced geothermal system (EGS) heat transfer performance differences in multi-wells

Y Sun, X Zhang, X Li, R Cheng - Energy Conversion and Management, 2023 - Elsevier
The effectiveness of the multi-well arrangement mode in enhanced geothermal systems in
large-scale fields has been well established. However, the mechanisms that lead to …