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https://hdl.handle.net/20.500.11851/1508
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Tekoğlu, Cihan | - |
dc.date.accessioned | 2019-06-26T08:07:03Z | |
dc.date.available | 2019-06-26T08:07:03Z | |
dc.date.issued | 2014-12 | |
dc.identifier.citation | Tekoglu, C. (2014). Representative volume element calculations under constant stress triaxiality, Lode parameter, and shear ratio. International Journal of Solids and Structures, 51(25-26), 4544-4553. | en_US |
dc.identifier.issn | 0020-7683 | |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S0020768314003424 | - |
dc.identifier.uri | https://hdl.handle.net/20.500.11851/1508 | - |
dc.description.abstract | Recent experiments showed that the Lode parameter, which distinguishes between axisymmetric and shear dominated stress states, has a profound effect on material ductility, especially at low stress triaxiality (Bao and Wierzbicki, 2004; Barsoum and Faleskog, 2007a). Consequently, the theoretical framework for void growth and coalescence is currently being revisited, which often involves performing representative volume element (RVE) calculations. The present study investigates an RVE composed of a cubic unit cell containing a spherical void at its center. The void cell is subjected to a triaxial stress state with Sigma(11)/Sigma(22) = rho(11), Sigma(33)/Sigma(22) = rho(33), plus an additional shear stress component Sigma(12)/Sigma(22) = rho(12) In the coordinate axes aligned with the edges of the cubic void cell, x(i) (i = 1, 2,3), the non-dimensional stress ratios rho(11), rho(33), and rho(12) can be fully characterized by 3 parameters: the stress triaxiality, T, Lode parameter, L, and shear ratio, S. The aim of this paper is to provide an effective method to keep T, L, and S values constant in the entire course of the loading. The effectiveness of the proposed method is validated through several examples covering a wide range of T,L, and S values; the calculations are performed by using the general purpose finite element software ABAQUS. (C) 2014 Elsevier Ltd. All rights reserved. | en_US |
dc.description.sponsorship | C. Tekoglu gratefully acknowledges the financial support provided by The Scientific and Technological Research Council of Turkey, TUBITAK (Project No: 111M664). | |
dc.language.iso | en | en_US |
dc.publisher | Pergamon-Elsevier Science Ltd | en_US |
dc.relation.ispartof | International Journal Of Solids And Structures | en_US |
dc.rights | info:eu-repo/semantics/closedAccess | en_US |
dc.subject | Finite element method | en_US |
dc.subject | Ductile fracture | en_US |
dc.subject | Stress triaxiality | en_US |
dc.subject | Lode parameter | en_US |
dc.subject | Shear stress | en_US |
dc.title | Representative Volume Element Calculations Under Constant Stress Triaxiality, Lode Parameter, and Shear Ratio | en_US |
dc.type | Article | en_US |
dc.department | Faculties, Faculty of Engineering, Department of Mechanical Engineering | en_US |
dc.department | Fakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümü | tr_TR |
dc.identifier.volume | 51 | |
dc.identifier.issue | 25-26 | |
dc.identifier.startpage | 4544 | |
dc.identifier.endpage | 4553 | |
dc.relation.tubitak | Scientific and Technological Research Council of Turkey, TUBITAK [111M664] | en_US |
dc.authorid | 0000-0001-7383-3909 | - |
dc.identifier.wos | WOS:000345470400032 | en_US |
dc.identifier.scopus | 2-s2.0-84923163584 | en_US |
dc.institutionauthor | Tekoğlu, Cihan | - |
dc.identifier.doi | 10.1016/j.ijsolstr.2014.09.001 | - |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
dc.identifier.scopusquality | Q1 | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.grantfulltext | none | - |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
crisitem.author.dept | 02.7. Department of Mechanical Engineering | - |
Appears in Collections: | Makine Mühendisliği Bölümü / Department of Mechanical Engineering Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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