Quasi-Brittle Fracture Modeling of Preflawed Bitumen Using a Diffuse Interface Model

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dc.contributor.authorHou, Yueen
dc.contributor.authorSun, Fengyanen
dc.contributor.authorSun, Wenjuanen
dc.contributor.authorGuo, Mengen
dc.contributor.authorXing, Chaoen
dc.contributor.authorWu, Jiangfengen
dc.contributor.departmentCivil and Environmental Engineeringen
dc.date.accessioned2017-09-18T09:37:09Zen
dc.date.available2017-09-18T09:37:09Zen
dc.date.issued2016-06-09en
dc.date.updated2017-09-18T09:37:09Zen
dc.description.abstractFundamental understandings on the bitumen fracture mechanism are vital to improve the mixture design of asphalt concrete. In this paper, a diffuse interface model, namely, phase-field method is used for modeling the quasi-brittle fracture in bitumen. This method describes the microstructure using a phase-field variable which assumes one in the intact solid and negative one in the crack region. Only the elastic energy will directly contribute to cracking. To account for the growth of cracks, a nonconserved Allen-Cahn equation is adopted to evolve the phase-field variable. Numerical simulations of fracture are performed in bituminous materials with the consideration of quasi-brittle properties. It is found that the simulation results agree well with classic fracture mechanics.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationYue Hou, Fengyan Sun, Wenjuan Sun, Meng Guo, Chao Xing, and Jiangfeng Wu, “Quasi-Brittle Fracture Modeling of Preflawed Bitumen Using a Diffuse Interface Model,” Advances in Materials Science and Engineering, vol. 2016, Article ID 8751646, 7 pages, 2016. doi:10.1155/2016/8751646en
dc.identifier.doihttps://doi.org/10.1155/2016/8751646en
dc.identifier.urihttp://hdl.handle.net/10919/78935en
dc.language.isoenen
dc.publisherHindawien
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.holderCopyright © 2016 Yue Hou et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleQuasi-Brittle Fracture Modeling of Preflawed Bitumen Using a Diffuse Interface Modelen
dc.title.serialAdvances in Materials Science and Engineeringen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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