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Abstract

Due to its complexities, rock fracturing process still poses many pressing challenges despite intense research efforts. With the rapid development of computational mechanics, numerical techniques have gradually become robust tools for the investigation of rock fracture. Nevertheless, not all of the devised methods are capable of adequately modelling the rock fracture process. For an accurate simulation of the process, a numerical method needs to be capable of modelling crack initiation, propagation, bifurcation, coalescence and separation. This paper provided a review of recent advances in computational analysis of the rock fracture process, which is built upon a number of literature on numerical modelling of mechanics of failure in rock and other brittle materials. After briefly discussing the fundamentals of rock fracture mechanisms, the basic structure of the existing and recently developed numerical techniques such as finite element method, boundary element method, distinct element method, combined methods and multi-scale coupled method are illustrated. Finally, the strengths and weaknesses of these numerical techniques are discussed and the most promising methods are highlighted.

Item Type:	Article
Authors/Creators:	Mohammadnejad, M and Liu, H and Chan, A and Dehkhoda, S and Fukuda, D
Keywords:	rock fracture, numerical techniques, finite element method, boundary element method, discrete element method, combined methods
Journal or Publication Title:	Geosystem Engineering
Publisher:	Taylor & Francis
ISSN:	1226-9328
DOI / ID Number:	10.1080/12269328.2018.1448006
Copyright Information:	Copyright 2018 The Korean Society of Mineral and Energy Resources Engineers (KSMER)
Related URLs:	Google Scholar: Liu, H UTAS Profile: Liu, H Google Scholar: Chan, A UTAS Profile: Chan, A
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