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Continuous-discontinuous cellular automaton method for cohesive crack growth in rock
Yan, Fei; Feng, Xia-Ting; Lv, Jia-He; Pan, Peng-Zhi; Li, Shao-Jun
2018
Source PublicationENGINEERING FRACTURE MECHANICS
ISSN0013-7944
Volume188Issue:-Pages:361-380
AbstractA group of nonsingular enrichment functions is proposed for an exact representation of the cohesive stresses, which are consistent with a nonsingular asymptotic stress field around a crack tip. An improvement in the adaptive crack tip polar coordinate is proposed for treating the local polar coordinate error. Finally, a discontinuous cellular automation model was developed, including a cell model, cell state, and updating rules. Combined with these developments and the cohesive rock model, a continuous-discontinuous cellular automaton method (CDCA) for a cohesive crack analysis is proposed, through which the calculation is only limited to the cell locality without re-meshing, and therefore, no assembled global stiffness matrix is required. Numerical simulations reveal the accuracy and efficiency of the presented method. (C) 2017 Elsevier Ltd. All rights reserved.
KeywordContinuous-discontinuous cellular automaton method Cohesive cracks Rock fractures Discontinuous approximation Alternative near-tip function
DOI10.1016/j.engfracmech.2017.09.007
Indexed BySCI
Language英语
WOS Research AreaMechanics
WOS SubjectMechanics
WOS IDWOS:000425195100022
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://119.78.100.198/handle/2S6PX9GI/4217
Collection岩土力学所知识全产出_期刊论文
岩土力学所知识全产出
国家重点实验室知识产出_期刊论文
AffiliationChinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn
First Author AffilicationInstitute of Rock and Soil Mechanics, chinese Academy of sciences
Recommended Citation
GB/T 7714
Yan, Fei,Feng, Xia-Ting,Lv, Jia-He,et al. Continuous-discontinuous cellular automaton method for cohesive crack growth in rock[J]. ENGINEERING FRACTURE MECHANICS,2018,188(-):361-380.
APA Yan, Fei,Feng, Xia-Ting,Lv, Jia-He,Pan, Peng-Zhi,&Li, Shao-Jun.(2018).Continuous-discontinuous cellular automaton method for cohesive crack growth in rock.ENGINEERING FRACTURE MECHANICS,188(-),361-380.
MLA Yan, Fei,et al."Continuous-discontinuous cellular automaton method for cohesive crack growth in rock".ENGINEERING FRACTURE MECHANICS 188.-(2018):361-380.
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