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A review of techniques, advances and outstanding issues in numerical modelling for rock mechanics and rock engineering
KTH, Superseded Departments, Land and Water Resources Engineering.
2003 (English)In: International Journal of Rock Mechanics And Mining Sciences, ISSN 1365-1609, Vol. 40, no 3, 283-353 p.Article, review/survey (Refereed) Published
Abstract [en]

The purpose of this review paper is to present the techniques. advances. problems and likely future developments in numerical modelling for rock mechanics. Such modelling is essential for studying the fundamental processes occurring in rocks and for rock engineering design. The review begins by explaining the special nature of rock masses and the consequential difficulties when attempting to model their inherent characteristics of discontinuousness. anisotropy, inhomogencity and inelasticity. The rock engineering design backdrop to the review is also presented. The different types of numerical models are outlined in Section 2. together with a discussion on how, to obtain the necessary parameters for the models. There is also discussion on the value that is obtained from the modelling. especially the enhanced understanding of those mechanisms initiated by engineering perturbations. In Section 3, the largest section. states-of-the-art and advances associated with the main methods are presented in detail. In many cases. for the model to adequately represent the rock reality. it is necessary to incorporate couplings between the thermal. hydraulic and mechanical processes. The physical processes and the equations characterizing the coupled behaviour are included in Section 4. with an illustrative example and discussion on the likely future development of coupled models. Finally. in Section 5. the advances and outstanding issues in the subject are listed and in Section 6 there are specific recommendations concerning quality control. enhancing confidence in the models, and the potential future developments.

Place, publisher, year, edition, pages
2003. Vol. 40, no 3, 283-353 p.
Keyword [en]
review, rock mechanics, numerical modelling, design coupled processes, outstanding issues, finite-element method, discontinuous deformation analysis, boundary contour method, 2-dimensional linear elasticity, kernel particle methods, thickness interface elements, piecewise homogeneous media, artificial neural networks, displacement back analysis, discrete fracture network
URN: urn:nbn:se:kth:diva-22443DOI: 10.1016/s1365-1609(03)00013-3ISI: 000182391800001OAI: diva2:341141
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Jing, Lanru
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