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Article: Elastic-plastic cracking analysis for brittle-ductile rocks using manifold method

TitleElastic-plastic cracking analysis for brittle-ductile rocks using manifold method
Authors
KeywordsTriaxial test
Partition of unity method
Numerical manifold method
Crack evolution technique
X-FEM crack initiation criterion
Issue Date2013
Citation
International Journal of Fracture, 2013, v. 180, n. 1, p. 71-91 How to Cite?
AbstractIn this study, the formation of localized deformation band and failure processes of brittle-ductile materials (coarse and medium marbles) containing pre-existing flaws under various loading conditions are simulated numerically. By incorporating the modified Mohr-Coulomb crack initiation criterion and the crack evolution techniques, the cracking processes, such as crack initiation, propagation and coalescence are successfully modeled by the developed numerical manifold method. According to the results, the development of macro-shear cracks is preceded by the development of localized deformation bands, which are underlain by damage accumulation and material deterioration. The numerical results are comparable to the laboratory test results. © 2012 Springer Science+Business Media Dordrecht.
Persistent Identifierhttp://hdl.handle.net/10722/213993
ISSN
2015 Impact Factor: 1.642
2015 SCImago Journal Rankings: 1.093

 

DC FieldValueLanguage
dc.contributor.authorWu, Zhijun-
dc.contributor.authorWong, Louis Ngai Yuen-
dc.date.accessioned2015-08-19T13:41:28Z-
dc.date.available2015-08-19T13:41:28Z-
dc.date.issued2013-
dc.identifier.citationInternational Journal of Fracture, 2013, v. 180, n. 1, p. 71-91-
dc.identifier.issn0376-9429-
dc.identifier.urihttp://hdl.handle.net/10722/213993-
dc.description.abstractIn this study, the formation of localized deformation band and failure processes of brittle-ductile materials (coarse and medium marbles) containing pre-existing flaws under various loading conditions are simulated numerically. By incorporating the modified Mohr-Coulomb crack initiation criterion and the crack evolution techniques, the cracking processes, such as crack initiation, propagation and coalescence are successfully modeled by the developed numerical manifold method. According to the results, the development of macro-shear cracks is preceded by the development of localized deformation bands, which are underlain by damage accumulation and material deterioration. The numerical results are comparable to the laboratory test results. © 2012 Springer Science+Business Media Dordrecht.-
dc.languageeng-
dc.relation.ispartofInternational Journal of Fracture-
dc.subjectTriaxial test-
dc.subjectPartition of unity method-
dc.subjectNumerical manifold method-
dc.subjectCrack evolution technique-
dc.subjectX-FEM crack initiation criterion-
dc.titleElastic-plastic cracking analysis for brittle-ductile rocks using manifold method-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s10704-012-9802-3-
dc.identifier.scopuseid_2-s2.0-84873414551-
dc.identifier.hkuros259289-
dc.identifier.volume180-
dc.identifier.issue1-
dc.identifier.spage71-
dc.identifier.epage91-
dc.identifier.eissn1573-2673-

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