Application of a mesh-free continuum method for simulation of rock caving processes

Karekal, S, Das, R, Mosse, L and Cleary, P 2011, 'Application of a mesh-free continuum method for simulation of rock caving processes', International Journal of Rock Mechanics and Mining Sciences, vol. 48, no. 5, pp. 703-711.


Document type: Journal Article
Collection: Journal Articles

Title Application of a mesh-free continuum method for simulation of rock caving processes
Author(s) Karekal, S
Das, R
Mosse, L
Cleary, P
Year 2011
Journal name International Journal of Rock Mechanics and Mining Sciences
Volume number 48
Issue number 5
Start page 703
End page 711
Total pages 9
Publisher Elsevier
Abstract Understanding the caving process and material flow is fundamental to block and sublevel cave mining, and also to longwall mining in sedimentary deposits. In this paper, the application of a mesh-free method, called Smoothed Particle Hydrodynamics (SPH), is demonstrated for simulating rock caving in a stratified deposit. The advantages for simulating caving processes using a mesh-free numerical framework are highlighted. Two different examples are chosen, one with elastic-brittle material behaviour with large yield strength (failure by brittle fracture) and the other with elasto-plastic material behaviour with relatively lower yield strength to allow ductile deformation of the rock mass. The modelling results capture the mechanistic aspects observed in caving processes. It is shown that the large-scale deformation and the associated fracture processes in caving can be effectively simulated using SPH. In the authors' knowledge, this work is the first attempt in demonstrating the application of a mesh-free method for simulating caving processes.
Subject Composite and Hybrid Materials
Keyword(s) Block caving
Caving
Coupled SPH-FEM
Longwall caving
Mesh-free method
SPH
DOI - identifier 10.1016/j.ijrmms.2011.04.011
Copyright notice © 2011 Elsevier Ltd. All rights reserved.
ISSN 1365-1609
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