A FDEM-based 2D coupled thermal-hydro-mechanical model for multiphysical simulation of rock fracturing

C Yan, X **e, Y Ren, W Ke, G Wang - International Journal of Rock …, 2022 - Elsevier
A coupled thermal-hydro-mechanical (THM) model based on the combined finite-discrete
element method (FDEM) is presented for simulating rock cracking driven by multi-physics …

The role of discontinuities in rock slope stability: Insights from a combined finite-discrete element simulation

L Sun, G Grasselli, Q Liu, X Tang… - Computers and …, 2022 - Elsevier
Rock slope failure is particularly detrimental to the safety of human life and engineering
infrastructure. The pre-existing discontinuities in the jointed rock slopes play a key role in the …

A 2D adaptive finite-discrete element method for simulating fracture and fragmentation in geomaterials

C Yan, Y Zheng, G Wang - International Journal of Rock Mechanics and …, 2023 - Elsevier
This study proposes a new two-dimensional finite-discrete element method (FDEM) using
dynamically inserted cohesive elements. Unlike the conventional FDEM, which sets up …

HOSS: an implementation of the combined finite-discrete element method

EE Knight, E Rougier, Z Lei, B Euser, V Chau… - Computational Particle …, 2020 - Springer
Nearly thirty years since its inception, the combined finite-discrete element method (FDEM)
has made remarkable strides in becoming a mainstream analysis tool within the field of …

GPGPU-based parallel computation using discrete elements in geotechnics: a state-of-art review

YK Gujjala, HM Kim, DW Ryu - Archives of Computational Methods in …, 2023 - Springer
Large deformation near surface excavations and openings has been frequently simulated in
geotechnical problems. Mesh-based approaches for large-scale simulation have long been …

Stability analysis of reservoir slopes under fluctuating water levels using the combined finite-discrete element method

L Sun, X Tang, A Abdelaziz, Q Liu, G Grasselli - Acta Geotechnica, 2023 - Springer
Fluctuating water levels are responsible for many reservoir slope failures. This work
develops a novel slope analysis model (Y-slopeW) to evaluate the reservoir slope stability …

A FDEM 3D moisture migration-fracture model for simulation of soil shrinkage and desiccation cracking

C Yan, Y Zheng, W Ke, G Wang - Computers and Geotechnics, 2021 - Elsevier
This paper proposes a three-dimensional moisture migration model, which can simulate the
moisture migration process in soil. A simple moisture transport example with analytic …

OpenMP parallel finite-discrete element method for modeling excavation support with rockbolt and grouting

Z Wang, F Li, G Mei - Rock Mechanics and Rock Engineering, 2024 - Springer
In the past, the number of CPU cores/threads was usually less than 8/16; now, the maximum
number is 128/256. As a CPU-based parallel method, OpenMP has an increasing …

[HTML][HTML] A coupled cryogenic thermo-hydro-mechanical model for frozen medium: Theory and implementation in FDEM

L Sun, X Tang, KR Aboayanah, Q Zhao, Q Liu… - Journal of Rock …, 2024 - Elsevier
This paper presents the development of a coupled modeling approach to simulate cryogenic
thermo-hydro-mechanical (THM) processes associated with a freezing medium, which is …

Frost crack propagation and interaction in fissured rocks subjected to freeze–thaw cycles: experimental and numerical studies

L Sun, S Tao, Q Liu - Rock Mechanics and Rock Engineering, 2023 - Springer
Frost crack evolution induced by cyclic freeze–thaw is responsible for rock deterioration in
cold regions and poses major threats to public safety, engineering structures, and alpine …