Numerical simulation of wedge failure of rock slopes using three-dimensional discontinuous deformation analysis

G Liu, H Meng, G Song, W Bo, P Zhao, B Ning… - Environmental Earth …, 2024 - Springer
As one of the most common failure forms of discontinuity-controlled rock slopes, wedge
failure is likely to occur in a wide range of geologic and geometric conditions. In this study …

Numerical modeling of generation of landslide tsunamis: a review

CH Lee, PHY Lo, H Shi, Z Huang - Journal of Earthquake and …, 2022 - World Scientific
Depth-integrated wave models are widely used for simulating large-scale propagation of
landslide tsunamis, with the generation of tsunami being simulated separately by various …

DDA validation of the mobility of earthquake-induced landslides

Y Zhang, J Wang, Q Xu, G Chen, JX Zhao, L Zheng… - Engineering …, 2015 - Elsevier
This paper studies the run-out of earthquake-induced landslides. There are more than 20
mechanical models to explain long run-out of rapid landslides including some earthquake …

Simulating the entire progressive failure process of rock slopes using the combined finite-discrete element method

L Sun, Q Liu, A Abdelaziz, X Tang… - Computers and …, 2022 - Elsevier
This paper presents a novel approach (Y-slope) to simulate entire slope failure processes,
from initiation, transport to deposition. The algorithm is implemented in a combined finite …

Numerical modeling of the failure process of the heterogeneous karst rock mass using the DDA–SPH method

J Gao, G Chen, Z Wang, L Li, Y Mitani, C Li, H Fan… - Underground …, 2023 - Elsevier
The sanding process caused by karstification in dolomite creates a special sandy dolomite
stratum, where the frequent catastrophic instability of the surrounding rock occurred during …

Impact failure and disaster processes associated with rockfalls based on three‐dimensional discontinuous deformation analysis

G Liu, Z Zhong, T Ye, J Meng, S Zhao… - Earth Surface …, 2024 - Wiley Online Library
Rockfalls, a common geohazard in mountainous areas, have destructive impact capacity
and may cause failure of dangerous rock masses in their runout range. For slope risk …

Applying modified discontinuous deformation analysis to assess the dynamic response of sites containing discontinuities

X Peng, P Yu, Y Zhang, G Chen - Engineering Geology, 2018 - Elsevier
The accurate consideration of seismic wave propagation through discontinuous media is
crucial in rock engineering. Discontinuous deformation analysis (DDA), with the ability to …

Development of a coupled DDA–SPH method and its application to dynamic simulation of landslides involving solid–fluid interaction

X Peng, P Yu, G Chen, M **a, Y Zhang - Rock Mechanics and Rock …, 2020 - Springer
Landslides involving solid–fluid interaction such as submarine landslides and landslide
dams occur frequently around the world, which may bring severe damage to human lives …

A modified discontinuous deformation analysis method considering the bonding effect for the simulation of structural loess

Q Li, A Franci, W Shen, T Li, H Li, P Li, RL Rangel - Acta Geotechnica, 2024 - Springer
Bonding effects among non-contacting particles are key phenomena that drive the
mechanical behavior and fracture process of structural loess. The existing discontinuous …

Dynamic simulation of landslide dam behavior considering kinematic characteristics using a coupled DDA-SPH method

W Wang, G Chen, Y Zhang, L Zheng… - Engineering Analysis with …, 2017 - Elsevier
Landslide with significant volume and considerable velocity may block the river stream in the
hillslope-channel coupling system, forming the natural dam and the dammed-lake behind …