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A combined finite-discrete element study of rock fracture process


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Mohammadnejad, M ORCID: 0000-0001-8570-5074, Liu, H ORCID: 0000-0002-5437-4695, Fukuda, D, Dehkhoda, S and Chan, AHC ORCID: 0000-0003-0042-8448 2018 , 'A combined finite-discrete element study of rock fracture process', paper presented at the 3rd Australasian Conference on Computational Mechanics, 12-14 February 2018, Geelong, Australia.

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The scope of this study is to numerically simulate a series of rock mechanics and fracturemechanics tests using a combined finite−discrete element (FEM/DEM) code in order to investigate the crack initiation and propagation, and the fracture progressive process. The FEM/DEM is capable of accurately modelling the transition from continuum to discontinuum based on explicitly modelling fracture processes. To simulate different fracture processes, a series of intact rock disc, pre-notched disc and rock rings are simulated and the effective strength of the rock samples and fracture patterns are investigated. It is found that the employed numerical technique is well able to capture the main fracture mechanisms in rock mechanics.

Item Type: Conference or Workshop Item (Paper)
Authors/Creators:Mohammadnejad, M and Liu, H and Fukuda, D and Dehkhoda, S and Chan, AHC
Keywords: Fracture process, combined finite-discrete element method, rock
Journal or Publication Title: Proceedings of the 3rd Australasian Conference on Computational Mechanics
Publisher: Deakin University
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