Published in Acta Geotechnica, Vol. 3 (4), pp. 317-322, 2009
DOI: 10.1007/s11440-008-0071-2


The paper presents advances in the discrete element modelling of underground excavation processes extending modelling possibilities as well as increasing computational efficiency. Efficient numerical models have been obtained using techniques of parallel computing and coupling the discrete element method with finite element method. The discrete element algorithm has been applied to simulation of different excavation processes, using different tools, TBMs and roadheaders. Numerical examples of tunnelling process are included in the paper, showing results in the form of rock failure, damage in the material, cutting forces and tool wear. Efficiency of the code for solving large scale geomechanical problems is also shown

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Published on 01/01/2009

DOI: 10.1007/s11440-008-0071-2
Licence: CC BY-NC-SA license

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