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Application of dimensional analysis in calibration of a discrete element model for rock
New Mexico Institute of Mining and Tecnology.
2007 (English)In: Rock Mechanics and Rock Engineering, ISSN 0723-2632, E-ISSN 1434-453X, Vol. 40, no 2, 193-211 p.Article in journal (Refereed) Published
Abstract [en]

A discrete element approach was used in the simulation of rock fracture. The numerical synthetic material was made of rigid circular particles or cylinders that have interaction through normal and shear springs. The cylinders were bonded to each other at the contact points to withstand the applied loads. To characterize the microscopic properties of this synthetic material, a dimensional analysis approach was presented. It was shown that the dimensionless parameters and graphs obtained were useful tools for fast and efficient calibration of a synthetic material. This calibration method was employed for finding a numerical model for Pennsylvania Blue Sandstone. The numerical model could mimic many deformational and failure characteristics of the sandstone in both conventional and some non-conventional stress paths.

Place, publisher, year, edition, pages
2007. Vol. 40, no 2, 193-211 p.
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URN: urn:nbn:se:ltu:diva-11522DOI: 10.1007/s00603-006-0095-6Local ID: a85ea7f0-ccdc-11dd-99d1-000ea68e967bOAI: oai:DiVA.org:ltu-11522DiVA: diva2:984472
Note
Uppr├Ąttat; 2007; 20081218 (tomvil)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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