Abstract
The author has simulated behavior of geomaterials based on the modified models of Drucker-Prager-Nikolaevski and Rudnicki. It is shown how fractures extend under stresses applied on a section of a specimen surface. The characteristic patterns are obtained for deformation localization in low porosity and high porosity sandstone under biaxial compression, and the stress-to-strain curves are plotted.
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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 1, pp. 69–79, January–February, 2008.
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Stefanov, Y.P. Numerical modeling of deformation and failure of sandstone specimens. J Min Sci 44, 64–72 (2008). https://doi.org/10.1007/s10913-008-0006-1
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DOI: https://doi.org/10.1007/s10913-008-0006-1