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College of Engineering(공과대학)School of Mechanical and Aerospace Engineering(기계항공공학부)Dept. of Mechanical Engineering(기계공학과)ME-Journal Papers(저널논문)

An efficient three-dimensional adaptive quasicontinuum method using variable-node elements

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dc.contributor.authorKwon, Sung-Jinko
dc.contributor.authorLee, Young-Minko
dc.contributor.authorPark, Jong-Younko
dc.contributor.authorSohn, Dong-Wooko
dc.contributor.authorLim, Jae-Hyukko
dc.contributor.authorIm, Se-Youngko
dc.date.accessioned2010-04-29T05:50:46Z-
dc.date.available2010-04-29T05:50:46Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2009-07-
dc.identifier.citationJOURNAL OF COMPUTATIONAL PHYSICS, v.228, no.13, pp.4789 - 4810-
dc.identifier.issn0021-9991-
dc.identifier.urihttp://hdl.handle.net/10203/18002-
dc.description.abstractA new quasicontinuum (QC) implementation using the so-called "variable-node finite elements" is reported in this work. Tetrahedral elements, which have been exclusively utilized for the conventional QC are replaced by hexahedral elements in conjunction with the so-called variable-node elements. This enables an effective adaptive mesh refinement in QC, leading to fast and efficient simulations compared with the conventional QC. To confirm the solution accuracy, comparison is made for a nanoindentation problem with a molecular dynamics simulation as well as a molecular mechanics solution. Further examples of nanoindentation are shown and discussed to demonstrate the effectiveness of the present scheme. (c) 2009 Elsevier Inc. All rights reserved.-
dc.description.sponsorshipThis research was supported through NRL (National Research Lab) program by the Korea Science and Engineering Foundation funded by the Ministry of Education, Science and Technology (R0A-2007-000-20115-0), through National Nuclear Technology Program by Korea Institute of Science & Technology Evaluation and Planning (KISTEP) and the Ministry of Education, Science and Technology, Korean Government, and through Grant 08k1401-00611 by Center for Nanoscale Mechatronics& Manufacturing, one of the 21st Century Frontier Research Programs, which are supported by Ministry of Education, Science and Technology, Korea.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherACADEMIC PRESS INC ELSEVIER SCIENCE-
dc.subjectFINITE-ELEMENTS-
dc.subjectDISLOCATION NUCLEATION-
dc.subjectATOMISTIC SIMULATIONS-
dc.subjectINCIPIENT PLASTICITY-
dc.subjectNONMATCHING MESHES-
dc.subjectNANOINDENTATION-
dc.subjectINDENTATION-
dc.subjectREFINEMENT-
dc.subjectMECHANICS-
dc.subjectDEFECTS-
dc.titleAn efficient three-dimensional adaptive quasicontinuum method using variable-node elements-
dc.typeArticle-
dc.identifier.wosid000267133900008-
dc.identifier.scopusid2-s2.0-68649109329-
dc.type.rimsART-
dc.citation.volume228-
dc.citation.issue13-
dc.citation.beginningpage4789-
dc.citation.endingpage4810-
dc.citation.publicationnameJOURNAL OF COMPUTATIONAL PHYSICS-
dc.identifier.doi10.1016/j.jcp.2009.03.028-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorIm, Se-Young-
dc.contributor.nonIdAuthorPark, Jong-Youn-
dc.contributor.nonIdAuthorLim, Jae-Hyuk-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorQasicontinuum-
dc.subject.keywordAuthorVariable-node elements-
dc.subject.keywordAuthorMultiscale modeling-
dc.subject.keywordAuthorNanoindentation-
dc.subject.keywordAuthorAdaptive mesh refinement-
dc.subject.keywordPlusFINITE-ELEMENTS-
dc.subject.keywordPlusDISLOCATION NUCLEATION-
dc.subject.keywordPlusATOMISTIC SIMULATIONS-
dc.subject.keywordPlusINCIPIENT PLASTICITY-
dc.subject.keywordPlusNONMATCHING MESHES-
dc.subject.keywordPlusNANOINDENTATION-
dc.subject.keywordPlusINDENTATION-
dc.subject.keywordPlusREFINEMENT-
dc.subject.keywordPlusMECHANICS-
dc.subject.keywordPlusDEFECTS-
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