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Article: Modeling cracking behavior of rock mass containing inclusions using the enriched numerical manifold method

TitleModeling cracking behavior of rock mass containing inclusions using the enriched numerical manifold method
Authors
KeywordsStiff/weak inclusions
X-FEM
Partition of unity method
Numerical manifold method
Crack initiation criterion
Crack evolution technique
Issue Date2013
Citation
Engineering Geology, 2013, v. 162, p. 1-13 How to Cite?
AbstractIn this study, the effects of weak and stiff circular inclusions on the overall mechanical behavior, in particular the cracking processes (crack initiation, propagation and coalescence) of a rectangular rock mass under uniaxial compression are investigated. The enriched method, which has been adopted by XFEM to treat the material interfaces, is incorporated into the numerical manifold method (NMM). By incorporating the modified Mohr-Coulomb crack initiation criterion and the crack evolution techniques, the cracking processes of specimens containing either one or two inclusions are successfully modeled by the developed NMM. Comparing the simulation and physical test results, the feasibility of the enriched method in treating inclusions is discussed. © 2013 The Authors.
Persistent Identifierhttp://hdl.handle.net/10722/214005
ISSN
2015 Impact Factor: 2.196
2015 SCImago Journal Rankings: 1.810

 

DC FieldValueLanguage
dc.contributor.authorWu, Zhijun-
dc.contributor.authorWong, Louis Ngai Yuen-
dc.date.accessioned2015-08-19T13:41:31Z-
dc.date.available2015-08-19T13:41:31Z-
dc.date.issued2013-
dc.identifier.citationEngineering Geology, 2013, v. 162, p. 1-13-
dc.identifier.issn0013-7952-
dc.identifier.urihttp://hdl.handle.net/10722/214005-
dc.description.abstractIn this study, the effects of weak and stiff circular inclusions on the overall mechanical behavior, in particular the cracking processes (crack initiation, propagation and coalescence) of a rectangular rock mass under uniaxial compression are investigated. The enriched method, which has been adopted by XFEM to treat the material interfaces, is incorporated into the numerical manifold method (NMM). By incorporating the modified Mohr-Coulomb crack initiation criterion and the crack evolution techniques, the cracking processes of specimens containing either one or two inclusions are successfully modeled by the developed NMM. Comparing the simulation and physical test results, the feasibility of the enriched method in treating inclusions is discussed. © 2013 The Authors.-
dc.languageeng-
dc.relation.ispartofEngineering Geology-
dc.subjectStiff/weak inclusions-
dc.subjectX-FEM-
dc.subjectPartition of unity method-
dc.subjectNumerical manifold method-
dc.subjectCrack initiation criterion-
dc.subjectCrack evolution technique-
dc.titleModeling cracking behavior of rock mass containing inclusions using the enriched numerical manifold method-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.enggeo.2013.05.001-
dc.identifier.scopuseid_2-s2.0-84879480632-
dc.identifier.hkuros259280-
dc.identifier.volume162-
dc.identifier.spage1-
dc.identifier.epage13-

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