dc.creator | Obradović, Nikola | |
dc.creator | Vukićević, Mirjana | |
dc.creator | Jocković, Sanja | |
dc.date.accessioned | 2021-12-06T14:10:35Z | |
dc.date.available | 2021-12-06T14:10:35Z | |
dc.date.issued | 2021 | |
dc.identifier.isbn | 978-86-88897-15-0 | |
dc.identifier.uri | https://grafar.grf.bg.ac.rs/handle/123456789/2439 | |
dc.description.abstract | U radu je dat pregled metoda za numeričku integraciju relacija elasto-plastičnih
konstitutivnih modela za tlo. Prikazan je inkrementalno-iterativan postupak proračuna
metodom konačnih elemenata, sa osvrtom na značajan uticaj algoritama za integraciju
konstitutivnih relacija na tačnost određivanja naponsko-deformacijskih veličina definisanih
modelom. Dat je pregled metoda integracije sa opštom podelom na implicitne i eksplicitne
metode. Detaljnije je prikazan algoritam za tri odabrane metode koje se mogu primeniti na
elasto-plastične modele za tlo sa ocenom ispunjenosti zahteva pouzdanosti, tačnosti i
efikasnosti: metodu vodećeg parametra, metodu povratnog preslikavanja i “substepping“
metodu. | sr |
dc.description.abstract | A brief overview of methods for numerical integration of stress-strain relations of elastoplastic
constitutive models for soil is presented. Firstly, incremental-iterative procedure for
finite element method is described with emphasis on the importance of algorithms for
numerical integration of constitutive relations. A review of explicit and implicit methods is
given. A more detailed assessment of fulfillment of the requirements of reliability, accuracy
and efficiency is given for three methods: governing parameter method, return mapping
algorithm and substepping algorithm. | sr |
dc.language.iso | sr | sr |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200092/RS// | sr |
dc.rights | openAccess | sr |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Proceedings International Scientific Conference Earthquake Engineering and Geotechnical aspects of Civil Engineering | sr |
dc.subject | soil constitutive modeling | sr |
dc.subject | governing parameter method | sr |
dc.subject | return mapping algorithm | sr |
dc.subject | substepping algorithm | sr |
dc.title | An evaluation of methods for numerical integration of constitutive relations of elasto-plastic soil models | sr |
dc.type | conferenceObject | sr |
dc.rights.license | BY-NC-ND | sr |
dc.citation.epage | 557 | |
dc.citation.spage | 548 | |
dc.identifier.fulltext | http://grafar.grf.bg.ac.rs/bitstream/id/9598/2021_VB_NO_MV_SJ.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_grafar_2439 | |
dc.type.version | publishedVersion | sr |