[HTML][HTML] The use of discrete fracture networks for modelling coupled geomechanical and hydrological behaviour of fractured rocks

Q Lei, JP Latham, CF Tsang - Computers and Geotechnics, 2017 - Elsevier
We present a discussion of the state-of-the-art on the use of discrete fracture networks
(DFNs) for modelling geometrical characteristics, geomechanical evolution and …

Modeling the fragmentation of rock grains using computed tomography and combined FDEM

G Ma, W Zhou, RA Regueiro, Q Wang, X Chang - Powder Technology, 2017 - Elsevier
The fracture and fragmentation of rock grains is attracting increasingly more research
attention because it is relevant to today's challenges with particle raw materials. To …

Development of a GPGPU‐parallelized hybrid finite‐discrete element method for modeling rock fracture

D Fukuda, M Mohammadnejad, H Liu… - … journal for numerical …, 2019 - Wiley Online Library
The hybrid finite‐discrete element method (FDEM) is widely used for engineering
applications, which, however, is computationally expensive and needs further development …

An updated Lagrangian framework with quadratic element formulations for FDEM

Y Lei, Q Liu, H Liu, Z Chu, P Liu, J Wen - Computers and Geotechnics, 2023 - Elsevier
In this study, quadratic element formulations (ie, ten-node tetrahedral elements and twelve-
node cohesive elements) are proposed to improve the computational accuracy of the three …

Acquisition of normal contact stiffness and its influence on rock crack propagation for the combined finite-discrete element method (FDEM)

P Deng, Q Liu, X Huang, Q Liu, H Ma, W Li - Engineering Fracture …, 2021 - Elsevier
The combined finite-discrete element method (FDEM) has been widely used in numerical
studies in the fields of rock mechanics and geotechnical engineering. The normal contact …

Grain-scale failure mechanism of porous sandstone: an experimental and numerical FDEM study of the Brazilian Tensile Strength test using CT-Scan microstructure

B Chen, J Xiang, JP Latham, RR Bakker - International Journal of Rock …, 2020 - Elsevier
Many widely used numerical models of rock fracture based on mesoscale laboratory test
characterisation of effective 'intact'strength parameters neglect microstructure effects. They …

A study of rock pillar behaviors in laboratory and in-situ scales using combined finite-discrete element method models

X Li, E Kim, G Walton - International Journal of Rock Mechanics and Mining …, 2019 - Elsevier
With advances in numerical modeling techniques, the combined finite-discrete-element-
method (FDEM) is increasingly being used to study the mechanical behavior and failure …

A numerical investigation of element size and loading/unloading rate for intact rock in laboratory-scale and field-scale based on the combined finite-discrete element …

Q Liu, P Deng - Engineering Fracture Mechanics, 2019 - Elsevier
The combined finite-discrete element method (FDEM) is extensively employed to model
rocks and rock-like materials, in which calibration against the results from uniaxial/triaxial …

Prediction of failure stages for double lap joints using finite element analysis and artificial neural networks

M Atta, AA Abd-Elhady, A Abu-Sinna… - Engineering Failure …, 2019 - Elsevier
Prediction of failure stages of double lap bolted joints is an important task for design. Finite
element (FE) and artificial neural networks (ANNs) methods are widely used in such tasks to …

A 3D thermal cracking model for rockbased on the combined finite–discrete element method

C Yan, Y Ren, Y Yang - Computational Particle Mechanics, 2020 - Springer
A three-dimensional coupled thermomechanical model is proposed which can simulate
crack initiation, propagation and coalescence, as well as the distribution of stress and …