Article (Scientific journals)
Numerical insights into rock–ice avalanche geophysical flow mobility through CFD–DEM simulation
ADHAV, Prasad; Feng, Zetao; Ni, Tao et al.
2024In Computational Particle Mechanics
Peer reviewed
 

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Keywords :
Computational Mathematics; Fluid Flow and Transfer Processes; Modeling and Simulation; Numerical Analysis; Civil and Structural Engineering; Computational Mechanics
Abstract :
[en] Geophysical flows like rock–ice avalanches have high mobility and destructive potential, causing global loss of life and property. Water, often from melted ice, significantly impacts their mobility. Experimental investigations of debris friction in a rotating drum with melting ice show reduced friction due to water. However, experimental limitations hinder extensive testing. Employing a numerical model can overcome this, facilitating the study of various scenarios in understanding such calamitous geophysical flows. In the current work, we numerically replicate the rotating drum experiment using Eulerian–Lagrangian CFD–DEM coupling. We focus on the initial and final states, considering a 30% gravel and 70% ice mixture (B12-070 ). We don’t model the ice melting; rather, we inject equivalent water over time. Our simulation captures changes in the frictional behavior of the gravel bulk and flow height profile, closely aligning with experimental observations.
Research center :
LuXDEM - University of Luxembourg: Luxembourg XDEM Research Centre
ULHPC - University of Luxembourg: High Performance Computing
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Geological, petroleum & mining engineering
Computer science
Author, co-author :
ADHAV, Prasad  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Feng, Zetao
Ni, Tao
PETERS, Bernhard ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Fan, Xuanmei
External co-authors :
yes
Language :
English
Title :
Numerical insights into rock–ice avalanche geophysical flow mobility through CFD–DEM simulation
Publication date :
03 January 2024
Journal title :
Computational Particle Mechanics
ISSN :
2196-4378
eISSN :
2196-4386
Publisher :
Springer Science and Business Media LLC
Peer reviewed :
Peer reviewed
Focus Area :
Computational Sciences
Funders :
National Science Fund for Distinguished Young Scholars
Tencent
Natural Science Foundation of Sichuan Province
Science Fund for Distinguished Young Scholars of Sichuan Province
National Natural Science Foundation of China
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since 04 January 2024

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