An overview of debris-flow mathematical modelling

MG Trujillo-Vela, AM Ramos-Cañón… - Earth-Science …, 2022 - Elsevier
Debris flows are among the most catastrophic natural phenomena, attracting the interest of
researchers, engineers and government agencies. The complexity of the physical process …

Modelling large-scale landslide using a GPU-accelerated 3D MPM with an efficient terrain contact algorithm

W Zhang, Z Wu, C Peng, S Li, Y Dong… - Computers and …, 2023 - Elsevier
The material point method (MPM) simulation of large-scale landslides can provide useful
information to response to landslide hazards in mountainous regions. However, the …

Uncertainty analysis of post-failure behavior in landslides based on SPH method and generalized geotechnical random field theory

Z Bi, W Wu, L Zhang, C Peng - Computers and Geotechnics, 2024 - Elsevier
In slope stability analysis, the inherent heterogeneity and spatial variability of soil
significantly influence the aftermath of landslides, including critical aspects like runout …

Plowing mechanism of rapid flow-like loess landslides: Insights from MPM modeling

W Shen, J Peng, Z Qiao, T Li, P Li, X Sun, Y Chen… - Engineering …, 2024 - Elsevier
Plowing refers to the phenomenon by which a landslide displaces and pushes the path
material forward. Despite its importance in sha** the dynamics of many rapid flow-like …

Numerical simulation of the large‐scale Huangtian (China) landslide‐generated impulse waves by a GPU‐accelerated three‐dimensional soil‒water coupled SPH …

C Huang, C Hu, Y An, C Shi, C Feng… - Water Resources …, 2023 - Wiley Online Library
This work presents an improved soil‒water coupling model to simulate landslide‐generated
impulse waves (LGIWs) in a unified smoothed particle hydrodynamics (SPH) framework …

Uncertainty evaluation of the run-out distance of flow-like landslides considering the anisotropic scale of fluctuation in the random field of internal friction angle

W Zhang, W Zhang, Y Chen, J Ji, Y Gao - Acta Geotechnica, 2023 - Springer
Naturally, sedimented strata bring about complicated distributions for geomaterial properties
with different random field parameters in different directions, eg, the anisotropic scale of …

A simple and robust MPM framework for modelling granular flows over complex terrains

X Lei, X Chen, Z Yang, S He, L Zhu, H Liang - Computers and Geotechnics, 2022 - Elsevier
Many geo-hazards phenomena are characterized by granular flows over complex natural
terrains, which are challenging to be simulated numerically. In this paper, we propose a …

Efficient random field generation with rotational anisotropy for probabilistic sph analysis of slope failure

Z Bi, W Wu, L Zhang, C Peng - International Journal for …, 2024 - Wiley Online Library
Due to geological processes such as sedimentation, tectonic movement, and backfilling,
natural soil often exhibits characteristics of rotated anisotropy. Recent studies have shown …

SPH–DEM modeling overtop** failure of earthfill dams

Z Su, S Wang, D Li, J Sheng, W Wu - Acta Geotechnica, 2024 - Springer
Overtop** failure of earthfill dams is a complex process that involves strong soil–water
coupling and structural failure. Physically based numerical models are essential for …