Dilative and compressive Coriolis effect on granular impact behavior based on centrifuge modeling and DEM simulation

B Zhang, W Li, J Pu, Y Bi, Y Huang - Engineering Geology, 2023 - Elsevier
The centrifuge modeling of the impact dynamics of high-speed granular flows is important for
understanding debris–barrier interactions. However, it remains challenging owing to the …

Topography-based and vectorized algorithm for extracting physical quantities in 3D-SPH form and its application in debris-flow entrainment modeling

B Su, Y Li, Z Han, Y Ma, W Wang, B Ruan, W Guo… - Engineering …, 2024 - Elsevier
Extraction of physical quantities such as flow depth and velocities, is one of the major
purposes of geophysical flow numerical modeling and critical for estimating consequent …

Probabilistic framework for quantifying human flight failure rate to landslides

S Wang, S Zhang, Y Chen, D Peng, T Xiao, Y Zhou… - Engineering …, 2024 - Elsevier
Landslides pose a severe risk to humans, but accurately quantifying human risk remains
challenging due to the less-studied fleeing process of humans during landslides. This study …

Flume investigation of debris flow entrained boulders with cylindrical baffles and a rigid barrier

BJ Kim, CY Yune - Engineering Geology, 2024 - Elsevier
Large boulders entrained by debris flow can generate destructive impact force and cause
significant damage to a rigid barrier located downstream. Baffle arrays can be installed in …

Run-out distance analysis and impact force estimation for an actual landslide with multiple-barrier system based on a coupled SPH model

W Zhang, X Wang, X Hong, S Chen, J Ji… - Computers and …, 2024 - Elsevier
Previous studies on the impact mechanism of landslides against multiple barriers are
commonly based on small-scale and large-scale flume tests in the absence of real-scale …

Mitigation of rockfall geohazards: Full-scale investigation of the performance of a practical baffle design for direct use in the field

J Du, D Chang, C Lee, Y Su, CE Choi, J Zhang - Engineering Geology, 2024 - Elsevier
To arrest rockfall boulders, baffles are constructed as steel members affixed on top of a
concrete footing. Existing designs aim to prevent any footing rotation and steel member …

Analysis on the coverage area of flow-like landslides under random strength parameters using an ANN-based stochastic analysis approach

W Zhang, X Wang, L Xiong, Z Dai, W Zhang, J Ji… - Computers and …, 2024 - Elsevier
In order to address the large-time consumption problem in the three-dimensional numerical
simulation and stochastic analysis of flow-like landslides, this study combined the three …

[HTML][HTML] Modelling of debris flow-boulder-barrier interactions using the Coupled Eulerian Lagrangian method

S Sha, AP Dyson, G Kefayati, A Tolooiyan - Applied Mathematical Modelling, 2024 - Elsevier
The impact load of boulders transported by debris flow is crucial in designing protective
structures constructed along the potential flow paths. In this study, the Coupled Eulerian …

A SPH Model Bridging Solid‐and Fluid‐Like Behaviour in Granular Materials

Y Wang, W Wu - … Journal for Numerical and Analytical Methods …, 2024 - Wiley Online Library
We propose a smoothed particle hydrodynamics (SPH) model bridging the gap between
solid‐and fluid‐like behaviour observed in granular materials. The key innovation of the …

[HTML][HTML] Impact of the Source Material Gradation on the Disaster Mechanism of Underground Debris Flows in Mines

R Tuo, H Cheng, S Wu, J Zou, D Liu, W Liu, J Zhang… - Sustainability, 2024 - mdpi.com
In mines where the natural caving method is used, the frequent occurrence of underground
debris flows and the complex mine environments make it difficult to prevent and control …