dc.contributor.authorYi, Dake.
dc.contributor.authorXiao, Zhong Min.
dc.contributor.authorTan, S. K.
dc.date.accessioned2013-07-26T03:10:45Z
dc.date.available2013-07-26T03:10:45Z
dc.date.copyright2012en_US
dc.date.issued2012
dc.identifier.citationYi, D. K., Xiao, Z. M., & Tan, S. K. (2012). Elastic and plastic fracture analysis of a crack perpendicular to an interface between dissimilar materials. Acta Mechanica, 223(5), 1031-1045.en_US
dc.identifier.urihttp://hdl.handle.net/10220/12356
dc.description.abstractElastic and plastic fracture analysis of a Mode I crack perpendicular to an interface between dissimilar materials is carried out. Continuously distributed dislocations are used to simulate the crack. The simulation will cause singular integral equations with Cauchy kernel. By solving the singular integral equations numerically, the effects of crack depth (distance from the interface to the crack middle point) and Dundurs’ parameters on the Mode I stress intensity factor are investigated systematically. Then, based on the Dugdale model, the plastic zone size, and the crack tip opening displacement of the crack under uniform loadings are investigated. The effects of uniform loadings, crack depth, and Dundurs’ parameters on the plastic zone size and the crack tip opening displacement are examined. Numerical results show that when the crack is embedded in a stiffer material, the values of both the normalized plastic zone size and the normalized crack tip opening displacement are larger than 1. On the contrary, if the crack is embedded in a softer material, the values of both the normalized plastic zone size and the crack tip opening displacement are less than 1.en_US
dc.language.isoenen_US
dc.relation.ispartofseriesActa mechanicaen_US
dc.rights© 2012 Springer-Verlag.en_US
dc.titleElastic and plastic fracture analysis of a crack perpendicular to an interface between dissimilar materialsen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Civil and Environmental Engineeringen_US
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.identifier.doihttp://dx.doi.org/10.1007/s00707-012-0620-5


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